Aeration & Biological Treatment
The biological heart of the plant — activated sludge systems, diffused and mechanical aeration, blowers, trickling filters, and fixed-film processes.
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Equipment Categories
Manufacturers
374Water Inc. (NASDAQ: SCWO), headquartered in Morrisville, North Carolina, is a cleantech company commercializing AirSCWO (Air Supercritical Water Ox…
A-T Controls, now operating under the Vytl Controls Group, manufactures manual and automated process valves with a product range spanning butterfly va…
AAT Abwasser- und Abfalltechnik GmbH is an Austrian biogas and wastewater technology company based in Wolfurt that designs, manufactures, and commissi…
ABS USA, headquartered in Meriden, Connecticut, is the North American subsidiary of ABS, a globally recognized wastewater equipment brand now operatin…
ADI Systems, now a brand within Xylem Inc., has designed and built industrial wastewater treatment and waste-to-energy solutions for over 40 years fro…
AFFCO Flow Control, with over 60 years of trading experience, operates manufacturing and sales facilities across five locations on four continents—the…
AGET Manufacturing Company, founded in 1938 in Adrian, Michigan, is a minority-owned (NMSDC-certified) manufacturer of industrial dust collection and …
AK Industries, Inc. is a family-owned manufacturer headquartered in Plymouth, Indiana, producing fiberglass and polyethylene products for centralized …
AKW Apparate + Verfahren GmbH, established in 1963 and based in Hirschau, Bavaria, is a German manufacturer and process engineering firm with over 60 …
ALBATROS Engineering GmbH builds special-purpose machinery in Herzogsdorf, Austria, where the company of roughly 20 employees has operated since 1992.…
Alltech Dosieranlagen GmbH, founded in 1983 and based in Weingarten, Baden, Germany, is a family-owned manufacturer specializing in dosing systems and…
AMETEK Precision Motion Control, now branded as AMETEK Advanced Motion Solutions (AMS) and headquartered in Kent, Ohio, is a division of AMETEK's Elec…
AMMtech srl, founded in 2007 and based in Porcari (Lucca), Italy, manages the complete production cycle — from consulting and design through manufactu…
ANMASI A/S, founded in 1989 in Denmark, operates as a manufacturing group serving the metal, plastics, food, and pharmaceutical industries through thr…
ANR Systech GmbH is a German engineering firm and equipment manufacturer with over 15 years of experience in industrial wastewater treatment and custo…
APG-Neuros, headquartered in Laval, Quebec, Canada, designs and manufactures turbo blowers and aeration control systems for wastewater treatment, mark…
APLAST d.o.o. is a Slovenian manufacturer based in Žalec with over 50 years of experience in rotational molding and robotic molding technologies. Empl…
APLISENS S.A., founded in 1992 and headquartered in Warsaw, Poland, is a publicly traded manufacturer of industrial process instrumentation listed on …
Founded in 1987 and headquartered in Feyzin, France, APRO Industrie is a French manufacturer specializing in bolted metallic storage tanks and reservo…
APURA s.r.l., founded in 2000 and based in Gargnano on Lake Garda with production facilities in Nibionno near Lecco, Italy, is an ISO 9001:2015 certif…
AQUALINE Water Technology is a MENA-region water and wastewater treatment provider with more than two decades of operational experience and over 500 c…
Aquaturbo, operating under the SFA Enviro environmental division of the SFA Group, designs and manufactures specialized aeration and mixing equipment …
Founded in 2007 by Eckhard G. Bischoff and based in Herford, Germany, AQUATO Umwelttechnologien GmbH manufactures decentralized wastewater treatment s…
ARI-Armaturen Albert Richter GmbH & Co. KG is a family-owned, medium-sized German industrial valve manufacturer founded in 1950 and based in Schloss H…
ARMARE-TEC GmbH, based in Germany, designs and manufactures valves, hydrants, shaft systems, and environmental monitoring technology for drinking wate…
ARMFLOW Pump Technologies B.V., headquartered in Amsterdam, The Netherlands, is a pump and blower distribution company offering two branded product li…
ARSIMAK BV, operating under its Xealio brand from its headquarters in Evergem, Belgium, develops and manufactures containerized Sequencing Batch React…
Aquaculture Systems Technologies LLC (AST), headquartered at 2120 North 3rd Street in Baton Rouge, Louisiana, is a water filtration manufacturer found…
ATB WATER GmbH is a German family-owned manufacturer of decentralized and semi-centralized wastewater treatment systems, founded on April 1, 1999. The…
ATEC Steel LLC, founded in 2006 and headquartered in Baxter Springs, Kansas, is a 100% employee-owned (ESOP) steel tank manufacturer and industrial co…
AVK Armaturen GmbH, located in Wülfrath, Germany, is the German manufacturing arm of the AVK Group — a Denmark-headquartered global valve manufacturer…
AWC Water Solutions Ltd., based in Langley, British Columbia with a satellite office in Calgary, Alberta, has designed and manufactured water and wast…
AWI (Aqua West Inc.) is a US-based manufacturer of granular media filter optimization equipment, serving municipal and industrial water and wastewater…
AWI (AquA Filter Ware Inc.) is a manufacturer specializing in granular media filtration systems for water and wastewater treatment plants. Established…
AWT Technologies Inc. is a Canadian wastewater treatment company based in British Columbia and a subsidiary of UET Water (Universal Environmental Tech…
AXEON Water Technologies, headquartered in Temecula, California, has been a trusted manufacturer of water treatment and filtration systems for over th…
Acuva Technologies, founded in 2014 in Burnaby, British Columbia, Canada, developed UV-LED water disinfection systems using mercury-free semiconductor…
Adapco Environmental Solutions (AES) was a division of ADAPCO Inc. specializing in municipal odor control for water and wastewater systems, headquarte…
Bio-Bubble Technologies is a UK-based wastewater treatment company operating since 1989, with Advanced Aeration Ltd serving as their design, supply, i…
Advanced BioCatalytics Corporation (ABC) is an industrial biotechnology company founded in 1996 and headquartered in Irvine, California, specializing …
Advanced Drainage Systems (ADS), founded in 1966 and headquartered in Hilliard, Ohio, is North America's leading manufacturer of stormwater and onsite…
Aeration Industries International, originally founded in 1974 in Chaska, Minnesota, pioneered surface aspirator aeration technology for wastewater tre…
Aeration Technologies NH, LLC (branded Aertec) is an aeration equipment manufacturer headquartered in Londonderry, New Hampshire, specializing in oxyg…
Aerator Solutions, now operating under Komline, is a manufacturer of aerators and mixers for wastewater treatment with over 50 years of industry exper…
Aerisa, now rebranded as Air+ and headquartered in Rye, New York, manufactures bipolar ionization-based air purification and odor control systems. Ori…
Aero-Mod, founded in 1981 and headquartered in Manhattan, Kansas, is a wastewater treatment technology company and member of the Axius Water group tha…
AEROMIX Systems, Inc. was a manufacturer of aeration and mixing equipment for water and wastewater treatment, founded in 1987 and formerly headquarter…
Aerovent, a brand of Twin City Fan Companies with over 90 years of manufacturing experience and eight US production facilities, produces industrial fa…
Aerzener Maschinenfabrik GmbH (Aerzen), founded in 1864 and headquartered in Aerzen, Germany, is one of the world's oldest and largest manufacturers o…
Aerzen USA Corporation, headquartered at 108 Independence Way in Coatesville, Pennsylvania, is the American subsidiary of Aerzener Maschinenfabrik Gmb…
Agritech srl is an Italian manufacturing company established in 1987 in Calvisano, Brescia, that specializes in reinforced fiberglass (GRP/vetroresina…
Air Clean USA, LLC is an odor control and biogas treatment equipment manufacturer operating since 1992 with offices in Charleston, SC (operational) an…
Air Diffusion Systems (ADS) is a family-owned, multi-generational manufacturer of fine bubble aeration equipment based in Gurnee, Illinois, with over …
Air Impurities Removal Systems, Inc. (dba A.I.R. Systems, Inc.) is a manufacturer of industrial air filtration and fume extraction equipment based in …
Air Liquide, through its Nexelia for Water Treatment offering, supplies industrial gases and application technologies for water and wastewater treatme…
Air Power Products Limited (APPL) is a Canadian manufacturer with over 40 years of experience, operating from its Cambridge, Ontario design and manufa…
Air Pump Water Solutions, Inc. is a family-owned manufacturer based in Annapolis Junction, Maryland that has provided aeration-based water treatment e…
Air+ manufactures bipolar ionization systems for wastewater odor control and corrosion protection, using technology that generates positive and negati…
Air-O-Lator Corporation has manufactured aeration and fountain equipment in the USA for over 40 years, serving pond and lake management, wastewater tr…
AirSep Corporation, operating under the CAIRE Inc. brand, is a manufacturer of on-site oxygen and nitrogen generation systems with over 50 years of ex…
Airmaster Aerator, LLC manufactures high-efficiency aeration systems for industrial and municipal wastewater treatment. Their flagship product, the Ai…
Alfa Water Srl is an Italian filtration manufacturer headquartered in Sedico, in the Belluno province at the foot of the Dolomites. The company design…
AlgaFilm Technologies is a Canadian startup that has developed the Algae Forest Process, a photosynthetic wastewater treatment technology that simulta…
Alita Industries, Inc. is a manufacturer of air and water moving products founded in 1990, with headquarters in Arcadia, California, and manufacturing…
All Inclusive Water and Wastewater Solutions, Inc. is an engineering and contracting firm headquartered in Auburn, California, staffed with registered…
AllChem Performance Products, a division of AllChem Industries, Inc. (also known as Industrial Chemicals Group, Inc.), has operated from Gainesville, …
Allonnia is a Boston, Massachusetts-based bio-ingenuity company that develops and deploys biological solutions for persistent environmental contaminan…
Alpine Technical Services (ATS), founded in 1979 and headquartered in Midvale, Utah, operates its water and wastewater treatment division under the AT…
Alumichem is a Nordic specialty chemical manufacturer headquartered in Denmark with over 40 years of industry experience, operating from ISO 9001 and …
Amalgam Biotech, a division of Amalgam Engineering based in Pune, India, is an ISO 9001:2015 certified manufacturer of bioculture products for wastewa…
American Aqua Solutions appears in industry line cards and trade listings as a water and wastewater equipment supplier. Company details are pending ve…
American Fabric Filter Co. (AFF) designs and manufactures custom industrial fabric filtration products from their facility in the United States, servi…
American Manufacturing Company, Inc., based in Elkwood, Virginia, has specialized in onsite wastewater and water treatment systems for over 30 years. …
American Ultraviolet Company, founded in 1960 and headquartered in Lebanon, Indiana, manufactures UV-C germicidal disinfection equipment entirely in t…
Amiad Water Systems, founded over six decades ago in Israel's kibbutz-led water management tradition, has grown into one of the world's foremost water…
Amprolys Canada is a Montreal-based manufacturer of activated organic minerals for water and wastewater treatment, with production facilities in Louvi…
Amwell, established in 1868 and operating today as a division of McNish LLC alongside Walker Process Equipment (1946) and E&I Corp (1975), is among th…
Anaergia Inc., headquartered in Burlington, Ontario, Canada, designs and builds anaerobic digestion and waste-to-resource systems that convert organic…
Andersson Water Sweden AB is a Swedish manufacturer with over 30 years of specialization in wastewater screening and screenings handling equipment, ex…
Anhui Fangxing Industrial Co., Ltd., operating as GVP Valve, is a Chinese manufacturer of high-end water supply valves founded in 2001 and recognized …
Anseros Klaus Nonnenmacher GmbH, founded in 1979 and headquartered in Tübingen, Germany, is a family-owned manufacturer specializing exclusively in oz…
Anua, based in Greensboro, North Carolina, develops and manufactures decentralized wastewater treatment and odor control systems under its 'One Place …
Anua International, founded in 1993 and based in Greensboro, North Carolina, is an American manufacturer of decentralized wastewater treatment systems…
Anue Water Technologies, founded in 2005 and headquartered in Alpharetta, Georgia, manufactures oxygen and ozone infusion systems for wastewater odor …
Apache Stainless Equipment Corporation, based in Beaver Dam, Wisconsin, has manufactured custom stainless steel tanks, vessels, and process equipment …
Applied Engineering Technologies (AET), based in Ann Arbor, Michigan, developed the Treatment Shaft — a patented underground vertical wastewater treat…
Aqua Azul Corporation, based in California with water treatment expertise dating to the late 1960s origins of UV purification, manufactures over 155 m…
AquaSmart Inc., a wholly-owned subsidiary of Colonial Group Inc. based in Atlanta, Georgia, is the exclusive global manufacturer of SeaQuest, a 100% f…
Aqua Solutions, Inc. appears in industry line cards and trade listings as a water and wastewater equipment supplier. Company details are pending verif…
Aqua Treatment Service, Inc. (ATS), operating under the brand ATS2 at aquat.com, is a US-based manufacturer of ultraviolet water disinfection and wate…
Aqua Wholesale, Inc. is a family-owned and operated OEM water treatment distributor based in Sarasota, Florida, founded in 2000 by Sandy and Larry Eat…
Aqua-Aerobic Systems, Inc., founded in 1969 and based in Rockford, Illinois, is a water and wastewater treatment equipment manufacturer operating as a…
Aqua-Chem, Inc. appears in industry line cards and trade listings as a water and wastewater equipment supplier. Company details are pending verificati…
Aqua4um s.r.o., a Slovak engineering company registered in Nitra and operating from Bratislava, concentrates on sewage pumping stations and water mana…
AquaMaster, a division of Nigrelli Inc. based in Kiel, Wisconsin, designs and manufactures floating fountains, surface aerators, diffused aeration sys…
AquaOx Inc. is a service-disabled veteran-owned small business based in South Carolina that manufactures whole-house residential water filtration syst…
AquaViva Technology, Inc. is a distributor and integration partner based in La Porte, Indiana, specializing in aeration technology and biofilm wastewa…
Founded in 1987 by Henning Gatz and headquartered in Bellingham, Washington, Aquacare Environment Inc is a manufacturer and integrator of recirculatin…
Aquaconsult Anlagenbau GmbH is an Austrian manufacturer specializing in fine-bubble aeration systems for municipal and industrial wastewater treatment…
Aquacycl, headquartered in Escondido, California with a European office in Leeuwarden, Netherlands, develops and manufactures modular bioelectrochemic…
Aquadron appears in industry line cards and trade listings as a water and wastewater equipment supplier. Company details are pending verification — if…
Aquafine is the industrial and commercial UV water treatment brand of Trojan Technologies Group ULC, which operates under the Veralto Water Quality po…
Aquafine Corporation, founded in 1949 and based in Valencia, California, is one of the world's largest ultraviolet water treatment equipment manufactu…
Aquafix Milieu B.V., headquartered in Mijdrecht, Netherlands and now part of the ACO Group, is the largest separator manufacturer in the Benelux regio…
Aqua Logic Inc., founded in 1989 and operating from a 17,000 sq ft facility in Monroe, North Carolina, manufactures titanium-constructed aquatic tempe…
Aquarden Technologies ApS is a Danish cleantech company founded in 2005 and headquartered in Skævinge, Denmark, specializing in supercritical water ox…
Aquatech is a global water and process technology company headquartered in Canonsburg, Pennsylvania, with over 43 years of experience, 2,000-plus inst…
Founded in 1981 and headquartered in Canonsburg, Pennsylvania, Aquatech International is a global water treatment technology and services company with…
Aquatech International, headquartered in Canonsburg, Pennsylvania, is a global water and wastewater treatment technology provider with over 43 years o…
Since its founding in March 1980, Pompano Beach, Florida-based Aquathin Corporation has developed over 70 water purification systems protected by seve…
Aquatrol Products Inc., operating as AquaTrol, is a division of Momar (founded 1947) that has provided water treatment chemical programs and services …
Aquen Aqua-Engineering GmbH is a technology company based in Clausthal-Zellerfeld, Germany, specializing in sludge conditioning and solid-liquid separ…
AquiSense Technologies is a UV-C LED disinfection system manufacturer operating ISO 9001:2015 certified facilities in Kentucky and North Carolina, rec…
Nuvonic (formerly Aquionics) is a UV water disinfection and treatment technology company operating as part of the Halma Group, with over three decades…
Archer Instruments LLC is an ISO 9001:2015-certified OEM specializing in gas chlorinators and associated equipment for water and wastewater disinfecti…
Aria Filtra, headquartered in Cortland, New York, develops membrane-based water treatment solutions as a division of Trojan Technologies within Veralt…
Aries Chemical, Inc., headquartered in Beaver Falls, New York, is a vertically integrated water and wastewater treatment company that combines in-hous…
Since 1982, Arlat Technology — a division of Price-Schonstrom Inc. based in Walkerton, Ontario — has supplied headworks and preliminary treatment equi…
AAVB Armaturen Automatisierung Vertrieb Bindler GmbH is an ISO 9001:2015-certified German manufacturer and distribution partner based in Ottendorf-Okr…
Arndt Enterprises, Inc. appears in industry line cards and trade listings as a water and wastewater equipment supplier. Company details are pending ve…
PUMPIT, the brand of Artech Enerji ve Sistem Çözümleri A.Ş., is a Turkish manufacturer of pre-fabricated pump stations headquartered in Ankara. The co…
Founded in 1956 in North Tonawanda, New York, Ascension Industries is a custom fabrication manufacturer and steward of the Durco Filters brand, which …
Ashland Pump, established in 2012 as the wholesale-channel brand of family-owned Ashland Water Group, manufactures a full range of submersible wastewa…
ASOS Process GmbH, based in Düsseldorf, Germany, designs and manufactures crystallization, evaporation, drying, and granulation systems for the chemic…
Aster Bio, based in Houston, Texas, combines bioaugmentation products with molecular diagnostic services for biological wastewater treatment optimizat…
Atara Equipment Ltd, founded in 1967 and headquartered in Laval, Quebec, Canada, is a manufacturer of shaftless and shafted screw conveyors and associ…
Atlantic Coast Crushers Inc appears in industry line cards and trade listings as a water and wastewater equipment supplier. Company details are pendin…
Atlantic Filter Corporation (AFC) is a family-owned water treatment company headquartered in West Palm Beach, Florida, that has served residential, co…
Atlantic Ultraviolet Corporation, based on Long Island, New York, specializes in germicidal UV-C disinfection equipment for water, air, and surface ap…
Atlantium Technologies, founded in 2003 and headquartered in Israel, develops and manufactures Hydro-Optic Disinfection (HOD) UV water treatment syste…
Atlas Copco Compressors, the North American commercial division of Sweden's Atlas Copco Group, is a leading manufacturer of oil-free blowers, low-pres…
Atlas Copco, through its Power Technique division, is a Swedish multinational manufacturer headquartered in Stockholm with North American operations b…
ATS Duct Inc. is a Richmond, California manufacturer of fiberglass reinforced plastic (FRP) ductwork and exhaust systems, operating from an 80,000 sq …
Augusta Fiberglass Coatings, Inc. (AFC), headquartered in Blackville, South Carolina since 1974, is an ASME RTP-1 certified custom fabricator of fiber…
Austin Pump & Supply Co. appears in industry line cards and trade listings as a water and wastewater equipment supplier. Company details are pending v…
BAP GmbH Abwassertechnik is a German manufacturer of valves, slide gates, and pipeline fittings purpose-built for wastewater treatment plants and sewe…
BBK Valve Group Co., Ltd, established in 2002, operates three production facilities in Tianjin and Qingyang totaling over 20,000 square meters, with h…
BDP EnviroTech LLC is a wastewater treatment technology company established in 1992 by founder and CEO Eric Li, who created the initial R&D center in …
BDP Industries has manufactured thickening, dewatering, and composting equipment at its Greenwich, New York facility since 1978, when the company buil…
BIBUS GmbH, based in Germany and operating as a subsidiary of the global BIBUS Group, is a technical trading and service company specializing in envir…
BLUEWIN CO., LTD., established in 1989 and based in Seoul, supplies dewatering equipment and turnkey treatment plants, holding roughly 70 percent of K…
BONNEL TECHNOLOGIE s.r.o, a family-run Czech firm with more than 30 years behind it, manufactures electronic and mechatronic devices for water treatme…
BP GROUP d.o.o. is a Croatian environmental equipment manufacturer headquartered in Kneževi Vinogradi, operating subsidiaries across seven countries i…
BWS Anlagenbau & Service GmbH, headquartered in Oberndorf am Neckar, Germany, brings over 50 years of experience and more than 200 commissioned plants…
Headquartered in Reichshof, Germany, H2O — The Water Company (Bader H2O) manufactures ceramic membrane filtration, ozone generation, and nanobubble te…
Balmoral Tanks, part of the Balmoral Group since 1980, is a UK-based tank manufacturer providing complete turnkey services from civil groundwork throu…
BCR Environmental, operating under the BCR Solid Solutions brand, is a biosolids and organic waste management technology company headquartered in the …
Beacon Water Technologies (Beaconh2O) is a Charleston, South Carolina manufacturer of pile cloth disk filtration systems for water and wastewater trea…
Bedford Reinforced Plastics, headquartered in Bedford, Pennsylvania, is a manufacturer of fiberglass-reinforced polymer (FRP) structural components an…
Beijing Sinofloc Chemical Co., Ltd. is a Chinese manufacturer and global supplier of polyacrylamide (PAM) flocculants, organic coagulants, and functio…
Beijing Witct ConvergenceResource Technology Co., LTD operates through two complementary brands: Witct for the Chinese domestic market and Witcarbon (…
Bellmer GmbH of Niefern-Oeschelbronn, Germany, dates to 1842 and remains family-owned in its sixth generation, employing over 900 people at 17 interna…
Bimaks Kimya ve Gida Dis Ticaret A.S. is a Turkish specialty chemical manufacturer headquartered in Turkey and a member of the Association of Water Te…
Binder Group, based in Ulm, Germany, is a specialist in industrial measurement and control technology with a product portfolio spanning gas flow measu…
BioTriad Environmental, based in Stroudsburg, Pennsylvania, operates as a turnkey environmental solutions provider across five divisions addressing ai…
BioAir Solutions is a specialized manufacturer of biological and chemical air treatment systems for industrial odor and VOC control, serving both muni…
BioLargo, Inc., operating its equipment division as BioLargo Equipment, Solutions and Technologies (BEST), is an environmental technology company focu…
BioMicrobics, headquartered in Lenexa, Kansas, has spent over 27 years developing pre-engineered, pre-packaged water and wastewater treatment systems …
BioSafe Systems, founded in 1998 by the Larose family and headquartered in East Hartford, Connecticut, is one of the largest manufacturers of peroxyac…
BioTriad Environmental Inc. operates across five divisions from offices in Worcester County, Massachusetts, Vero Beach, Florida, and Tampa, Florida, p…
BIOWORKS Verfahrenstechnik GmbH, headquartered near Munich, Germany, is an engineering firm specializing in wastewater treatment process solutions wit…
Since 1986, Biología y Filtración, S.L. (Bio-Fil) has designed and manufactured plastic biofilm carrier media and engineered biological wastewater tre…
Biorem Technologies is a publicly traded Canadian company (TSX-listed) with over three decades of specialization in biological air emissions abatement…
Birchtech Corp (NYSE American: BCHT), formerly ME2C Environmental, is a publicly traded environmental technology company positioning itself as America…
Blue Foot Membranes NV is a Belgian membrane technology company headquartered in Lommel that designs and manufactures flat-sheet membrane bioreactor m…
Blue-White Industries, founded in 1957 and ISO 9001:2015 certified, manufactures chemical metering pumps, flow meters, and engineered chemical feed sy…
Bohn Biofilter Corp., founded in 1986 and based in Tucson, Arizona, manufactures natural biofiltration systems for odor and emission control at wastew…
Bray International, founded in 1986, is a global flow control solutions manufacturer operating across more than 40 countries in North America, Latin A…
C.F. Maier-CE, part of the fourth-generation C.F. Maier Group, is a German manufacturer of large-area covering systems made from glass fiber-reinforce…
CECO Environmental Corp. (NASDAQ: CECO) is a diversified environmental technology provider employing over 1,600 professionals across 25-plus facilitie…
Charlatte Réservoirs, a subsidiary of the Fayat Group operating within its Fayat Chaudronnerie division, is a French manufacturer of hydropneumatic pr…
CIFEC (Compagnie Industrielle de Filtration et d'Equipement Chimique), founded in 1963 and based in the Paris region of France, is an ISO 9001-certifi…
CLEARSTREAM WATER TREATMENT GmbH, based in Florsheim-Dalsheim, Germany, and operating under the ROWE Holding group, develops modular fourth purificati…
CNP CYCLES GmbH, based in Alzenau, Germany, develops process engineering solutions for energy recovery, nutrient recovery, and resource optimization a…
COMAC CAL s.r.o. is a Czech measurement and sensor technology manufacturer with nearly 40 years of experience, headquartered in Trnovice and operating…
Controlmatik ABW d.o.o., based in Domžale, Slovenia, develops and manufactures dosing, measurement, regulation, and safety equipment for water disinfe…
CR Plus is listed in source data as an odor control entity associated with the website crplus.net, but the website is unreachable and web searches ret…
CRI-MAN S.p.A. is an Italian manufacturer based in Correggio, Reggio Emilia, with over 25 years of experience designing and producing equipment for li…
CROM, LLC has operated since 1953 as a design-build firm focused on water and wastewater infrastructure, headquartered in Gainesville, Florida with re…
CST Industries, established in 1893 and headquartered in the Kansas City, Missouri area, is a global manufacturer of factory-coated metal tanks, silos…
CTP Environment America, headquartered at 11755 West Little York Road in Houston, Texas, with additional offices in Edmonton and Toronto, is the North…
CUT Membrane Technology GmbH, headquartered in Erkrath near Dusseldorf, Germany, is a specialized manufacturer of custom membrane filtration products …
Camfil, founded in 1963 and headquartered in Trosa, Sweden, is a global air filtration manufacturer operating more than 30 production facilities and s…
Castflow Valves SL is a Spanish engineering and manufacturing company based in Humanes, Madrid, that focuses exclusively on check valve design and pro…
Cembrane A/S is a Danish membrane technology company based in Lynge that designs and manufactures silicon carbide flat-sheet membranes for water and w…
Centraltubi S.p.A. is the founding company of System Group, established in 1979 by Alvaro Boscarini in Lunano, Italy (Marche region). Beginning with a…
Centrisys/CNP is a U.S.-based manufacturer of decanter centrifuge systems and advanced biosolids process technologies, headquartered in Kenosha, Wisco…
Cerlic Controls, headquartered in Kennesaw, Georgia, specializes in optical sensor instrumentation for water quality monitoring, positioning itself as…
Charles Austen Pumps Ltd. is a UK-based manufacturer with nearly 70 years of experience designing and producing diaphragm pumps, vacuum pumps, and sid…
ChartWater, LLC, a subsidiary of Chart Industries (NYSE: GTLS), was formed from the merger of AdEdge Water Technologies and BlueInGreen, also incorpor…
Charter Machine Company (CMC), a subsidiary of Graphic Equipment Corporation based in Metuchen, New Jersey, has over 75 years of precision machine man…
Measurit Technologies Ltd, trading as Check-Flex, is an Ireland-based manufacturer of rubber check valves serving the UK and Irish markets for stormwa…
Chemical Injection Technologies, Inc. (CIT), operating under the SUPERIOR Water Solutions brand, manufactures gas and liquid chemical feed systems for…
Chemtrol, a brand of fifth-generation family-owned NIBCO INC. based in Elkhart, Indiana, manufactures a comprehensive line of thermoplastic flow-contr…
Chengdu Columbus IntelligentManufacturing Technology Co.,Ltd. appears in industry line cards and trade listings as a water and wastewater equipment su…
Hangzhou Nainuo Membrane Environmental Technology Co., Ltd. is a Chinese high-tech enterprise and the exclusive authorized distributor of the UK NANO-…
ZK SEPARATION (Chengdu ZK Separation Technology Co., Ltd.) is a centrifuge manufacturer headquartered in Chengdu, China. Established in 2018 as a subs…
Chizhou CIIC Valve Technology Co., Ltd. manufactures cast iron waterworks valves in Qingyang County, Chizhou, in China's Anhui Province. The flagship …
Googolwater, operating as Chongqing Googol Changjiang Research Institute, was established in 2016 in Yongchuan, Chongqing as a subsidiary of publicly …
Christian Stoehr GmbH & Co. KG manufactures the Hel-X family of biofilm carrier media at its plant in Marktrodach, Germany. A third-generation family …
CiX Greentech is a German technology startup based in Erlangen, Bavaria, spun out of FAU Erlangen-Nürnberg's nanotechnology and materials science prog…
Citergaz — Caldeiraria e Manutenção, S.A. is a Portuguese manufacturer based in Albergaria-a-Velha with over 35 years of experience designing and fabr…
Cleanwater1, Inc. operates as an integrated provider of water and wastewater treatment equipment through seven distinct brands: UGSI Chemical Feed, In…
Clean Water Technology, Inc. (CWT), headquartered in Gardena, California, is a global manufacturer and installer of industrial wastewater treatment sy…
CleanTek Water Solutions, headquartered in Arden Hills, Minnesota, serves as the North American distributor and equipment supplier for European-manufa…
Cleanwater1 is a US-based manufacturer and integrator that delivers an end-to-end water and wastewater treatment equipment portfolio through seven acq…
Cleanwater1 (formerly Integrity Municipal Systems LLC), based in Poway, California, is a comprehensive manufacturer and integrator of water quality an…
ClearStream Environmental, founded in 2002 and headquartered in Sandy, Utah, is a manufacturer and engineering firm that designs, fabricates, and supp…
Cloacina LLC, headquartered in Arroyo Grande, California, manufactures stainless steel package wastewater treatment plants and is owned and operated b…
Colsen International BV, a family-owned company based in Hulst, Netherlands, has spent over 35 years developing integrated solutions at the intersecti…
Continental Carbon Group (CCG) is a Canadian turnkey environmental solutions provider specializing in air, water, and wastewater treatment systems. Ba…
Coskun Arıtma A.Ş. is a Turkish environmental technology company founded in 2005 and headquartered in Dilovası, Kocaeli. The company designs, manufact…
D.C. Industrie Elektronik GmbH, founded in 1993 and based in Lübeck, Germany, develops and manufactures electronic pump control systems and level inst…
DDI Heat Exchangers Inc., founded in 1980 and headquartered in Dollard-Des Ormeaux, Quebec, Canada, designs and manufactures patented rectangular-chan…
This entry contains a YouTube video URL rather than a company website. The video title references DEMON sidestream deammonification, which is a well-k…
DIMTECH S.A. is a Greek air abatement system manufacturer based in Aspropyrgos, Athens, with over 15 years of operation and more than 3,000 installed …
DOGUS VANA (DVD Valves), founded in 1988 and headquartered in Izmir, Turkey, operates a 20,000 square meter manufacturing facility producing approxima…
DVK International Co., Ltd, founded in 2006 and headquartered in Nanjing, China, manufactures fluid control valves and accessories for HVAC, waterwork…
DXP Enterprises is a Houston-based industrial distribution company with over a century of operating history, tracing its roots to the 1908 founding of…
DaLian Reliable Industrial Co., Ltd, set up in 2000, runs three subsidiary factories in the Jinzhou area of Dalian, China, producing castings, forging…
DanPumps A/S, now operating as part of SonFlow A/S following a merger, is a Danish pump manufacturer based in Kolding and Haderslev, Denmark. The comb…
Daniel Company, operating from Upland, California, is a specialty manufacturer and engineering firm focused on fiberglass-reinforced plastic (FRP) odo…
Daniel Company, based in Upland, California, is a manufacturer of fiberglass reinforced plastic (FRP) odor control systems and describes itself as the…
Daysil Silikon Sanayi A.S., operating under the AEROFLEX brand, is a Turkish manufacturer of fine bubble disc diffusers for wastewater aeration, found…
Industrie De Nora S.p.A., headquartered in Milan, Italy, is a global electrochemical technology company that designs and manufactures disinfection, ox…
DeFraWater GmbH, based in Seevetal-Hittfeld, Germany, has spent over 25 years engineering membrane-based water treatment systems for marine, industria…
Decomposition Co., Ltd., a startup founded by researchers at Handong Global University and headquartered in Pohang, South Korea, pursues microbiologic…
Delta Treatment Systems, now operating under Infiltrator Water Technologies—a subsidiary of Advanced Drainage Systems (ADS)—is a leading manufacturer …
De Nora (Industrie De Nora S.p.A.), headquartered in Milan, Italy, is a global electrochemical technology company serving the water and wastewater dis…
Detection Instruments Corporation, based in Phoenix, Arizona, designs and manufactures purpose-built gas detection instrumentation for the wastewater …
Deurotech Group GmbH, based in Langenfeld, Germany, is a consortium of five specialist companies providing environmental technology, process engineeri…
Di Nicola Infinam Srl, established in 1928 and headquartered in San Giovanni Teatino, Chieti, Italy, is a manufacturer of hydraulic valves and electro…
Diamond Fiberglass, now part of Andronaco Industries, operates from Victoria, Texas as an ASME RTP-1 certified custom fabricator of fiberglass-reinfor…
Diann Bao, Inc., marketing its products under the AirMac brand, is a Taiwanese manufacturer of linear air pumps and aeration equipment with over 30 ye…
Dickow Pumpen GmbH & Co. KG is a fourth-generation, family-owned pump manufacturer founded in 1910 and headquartered in Waldkraiburg, Bavaria, Germany…
DKY Valves and Controls, the brand of Dikkaya Su Kontrol Sistemleri Sanayi ve Ticaret A.S., was founded in 1997 in Kemalpasa, Izmir, Turkey, and opera…
Founded in 1976 in Missoula, Montana, Diversified Plastics, Inc. (DPI) is a custom plastics engineering and manufacturing company marking its 50th yea…
Dongying Giayoung Precision Metal Co., Ltd specializes in silica sol investment casting at Dongying in Shandong, China, pouring stainless, heat-resist…
Dr. Küke GmbH, headquartered in Wedemark, Germany, is a specialized biocide manufacturer and the self-described source for chlorine dioxide, covering …
Drylet is a Houston, Texas-based bioremediation technology company that develops bacteria-driven products for organic waste treatment across municipal…
DuPont Water Solutions, a business unit of DuPont de Nemours, delivers one of the industry's broadest water treatment portfolios spanning membrane sep…
Duperon Corporation is a family-owned manufacturer of liquid and solids separation technology headquartered in Saginaw, Michigan, founded in 1985. ISO…
Dutch Flow Control, founded in 1993 and headquartered in Emmeloord, Netherlands as part of the DFC Group, manufactures engineered flow control and sel…
Dutchland, Inc., part of the Lindsay Family of Brands, is the largest United States producer of precast post-tensioned concrete tanks, with over 35 ye…
Düker GmbH, based in Unterfranken, Germany, traces its origins back more than 555 years and today operates as a premium manufacturer of cast iron valv…
ECOCHIMICA SYSTEM SRL designs and builds gas treatment and odor abatement installations at Creazzo, near Vicenza in northern Italy. Its turnkey plants…
Ecomembrane S.p.A., headquartered in Gadesco-Pieve Delmona, Cremona, Italy, is a global manufacturer of membrane gasometers, digester covers, and PVC-…
ECOTECH Ltd., established in 1974 and based in Nea Smyrni, Greece, is a water and environmental engineering company that combines OEM manufacturing wi…
ECS Environmental Solutions, based in Belton, Texas, is an air pollution control and odor management company formed through the merger of ECS Environm…
ECS House Industries, Inc., based in Cherry Valley, Arkansas, operates from a 99,000-square-foot manufacturing facility and is recognized as the leadi…
EFI USA, founded in 1993 and headquartered in Gaston, South Carolina, is the leading installer of geosynthetic liner and environmental containment sys…
EHLE-HD Entwicklungs- und Vertriebsgesellschaft mbH, founded in 1987 by Friedhelm Ehle in Lahr in the Black Forest region of Germany, is a manufacture…
ELIQUO HYDROK Ltd is a UK-based water and wastewater engineering firm headquartered in Indian Queens, Cornwall, serving all major water utility compan…
ELIQUO PMI AS, formerly known as Enwa PMI AS until a January 2024 rebranding, is a Norwegian engineering and manufacturing firm and one of Norway's le…
ELIQUO Water & Energy BV, based in the Netherlands and part of the SKion Water group through the Eliquo Water Group, designs and installs multi-techno…
ELIQUO WATER GROUP GmbH, based in Germany, consolidates the European municipal water and wastewater technology activities of SKion Water GmbH. With ov…
EMEC, headquartered in Rieti, Italy, is a global manufacturer of chemical dosing pumps, digital controllers, and integrated disinfection systems for w…
EMG Automation GmbH, headquartered in Wenden, Germany and part of the elexis group, has built over seven decades of engineering expertise as a special…
EMO sas is a French water and wastewater treatment equipment manufacturer based in Noyal-sur-Vilaine, with over 40 years of industry experience, 100-p…
ENDRESS Elektrogerätebau GmbH, headquartered in Bempflingen near Stuttgart, Germany, has manufactured power generation equipment since its founding in…
ENOGIA, founded in 2009 and headquartered in Marseille, France, is the French leader in converting waste heat to electricity through Organic Rankine C…
ENVI-PUR s.r.o. is a Czech water and wastewater technology company founded in 1997, headquartered in Prague with a production facility in Soběslav. Th…
ERHARD GmbH, founded in 1871 by Johannes Erhard in Heidenheim, Germany, is one of the world's oldest and most comprehensive manufacturers of valves an…
ETL Verfahrenstechnik GmbH, based in Peiting in southern Germany, has spent over 35 years engineering sample preparation and filtration systems that c…
ETS Engineering S.p.A., headquartered in Pergola, Italy, has designed and manufactured medium and heavy lifting equipment for over 50 years from a 10,…
Eurosan Su Arıtma ve Çevre Teknolojileri, established in 1994 and headquartered in Ataşehir, Istanbul, operates under its registered EuroTechwater® (E…
EXPO-NET Danmark A/S, headquartered in Hjørring, Denmark, is the manufacturer of BIO-BLOK structured biofilm carrier media used in biological wastewat…
EXUS SRL is an Italian engineering and manufacturing company based in Montelupo Fiorentino that designs, builds, and installs air purification and fum…
EYS Endüstri Makina Sanayi ve Ticaret A.Ş. is a Turkish manufacturer with over 25 years of experience, operating from a 20,000 m² production facility …
EasyMining, a subsidiary of Ragn-Sells Group, develops and commercializes patented chemical processes that recover valuable nutrients and salts from w…
Eco Oxygen Technologies LLC, headquartered in Indianapolis, Indiana, develops and manufactures superoxygenation systems for water and wastewater treat…
Eco World Water Corp, headquartered at 7900 Peters Road, Suite B-200, Fort Lauderdale, FL 33324 with a manufacturing facility at 505 SW 31st Avenue, O…
EcoVerde Technologies, operating from the Phoenix, Arizona area, manufactures odor control equipment and process systems for municipal and industrial …
Ecolab, based in St. Paul, Minnesota, operates as a global provider of water, hygiene, and infection prevention solutions across over 170 countries, w…
Ecologix Environmental Systems, headquartered in Georgia with over 20 years of experience, manufactures one of the industry's broadest catalogs of ind…
Ecosorb, produced by OMI Industries in Palatine, Illinois, has focused exclusively on industrial odor control for over 30 years using its proprietary …
Ekoling d.o.o., headquartered in Hrušica, Slovenia, manufactures water and wastewater treatment products as a member of the Roto Group, which operates…
ELBI S.p.a., headquartered in Limena (Padova), Italy, is a polyethylene product manufacturer whose AQUAPURA division produces integrated systems for w…
Electrolytic Technologies Systems (ETS), operating since 2001 from North Miami Beach, Florida, manufactures on-site chlorine and sodium hypochlorite g…
Element 13, LLC, headquartered in Tomball, Texas, is an aluminum products manufacturer specializing in engineered tank covers, roofs, and structural c…
Enaqua, founded in 1985 as UV Technology and rebranded in 2003, designs and manufactures non-contact UV disinfection systems for water and wastewater …
Enduro Composites, now operating under the Creative Composites Group (CCG) umbrella alongside six other FRP composite companies, manufactures fibergla…
Enercon Engineering, LLC is a manufacturer and engineering firm headquartered in East Peoria, Illinois that has grown from a 5,000-square-foot garage …
EFI-Solutions, formerly Engineered Fluid Incorporated, is a Centralia, Illinois-based manufacturer that positions itself as North America's prefabrica…
Entex Technologies, Inc. is a Chapel Hill, North Carolina-based manufacturer of advanced biological wastewater treatment systems, holding U.S. patents…
EnviroMix, now part of Xylem, specializes in pneumatic mixing and process control technology for water and wastewater treatment. Headquartered in the …
EnviroChemie is a German engineering firm with over 45 years of experience designing, building, and operating industrial water and wastewater treatmen…
Environetics, Inc., based in Lockport, Illinois, designs, patents, and manufactures environmental control products that address liquid pollution probl…
Environmental Equipment Engineering (EEE), based in Mechanicsville, Virginia, has manufactured wastewater lagoon aeration equipment and diversion syst…
Esli Endüstriyel Su Arıtma, established in 1997 and headquartered in Antalya's Organized Industrial Zone, has built 28 years of expertise as one of Tu…
Esmil Group, headquartered in Elk, Poland, is an international manufacturer of wastewater treatment and sludge dewatering equipment with production si…
EssDe GmbH is a German process engineering company specializing in biological nitrogen removal from wastewater through deammonification technology. Th…
Europelec, part of the SFA Enviro division within the SFA Group, manufactures mechanical and biological treatment equipment for municipal and industri…
Eurovix SpA, based in Entratico near Bergamo, Italy, has over 35 years of experience in applied environmental biotechnology, developing and manufactur…
Eurus Blower, Inc., established in 2008 and based in Tulsa, Oklahoma, is the US subsidiary of Shandong Zhangqiu Blower Co., Ltd., Asia's largest manuf…
Evoqua Water Technologies, now part of Xylem following a 2023 acquisition, delivers water and wastewater treatment solutions across disinfection, filt…
Excel Fluid Group (EFG) is a turnkey pump station solutions provider serving municipal, commercial, industrial, data center, federal/military, aviatio…
Excelitas Noblelight GmbH, formerly Heraeus Noblelight before its acquisition by Excelitas Technologies in 2024, is a German manufacturer specializing…
Excelsior Blower Systems, founded in 1993, designs, manufactures, and services positive displacement blower and vacuum packages with over 15,000 insta…
Exiteck GmbH, founded in 2020 and based in Kirchheim unter Teck, Germany, develops and manufactures advanced excimer and UV technology solutions for d…
F & Q Pumps, Inc. is a U.S. pump and submersible motor manufacturer based in South El Monte, California, with over 40 years of experience designing an…
F.E. Myers, a Pentair brand with over 150 years of manufacturing heritage, produces one of the industry's broadest lines of water pumps spanning resid…
FAGGIOLATI PUMPS S.p.A. builds submersible pumping, mixing, and aeration equipment at its works in Macerata, Italy. Pump output spans 0.5 kW to 350 kW…
FAN Separator GmbH, based in Marktschorgast in Upper Franconia, Germany and part of the Austrian Bauer Group since 2004, is a leading manufacturer of …
FIBRE NET S.p.A., founded in 2001 by Cecilia and Andrea Zampa and headquartered in Pavia di Udine, Italy, manufactures glass fiber reinforced polymer …
FIDCHEM develops plasma-based and sorptive water purification technologies targeting persistent contaminants that conventional treatment cannot addres…
Fırat Plastik AŞ, headquartered in Istanbul, Turkey, is one of the country's largest construction plastics groups, exporting to over 70 countries and …
FIRMUS France, headquartered in Clermont l'Hérault in France's Languedoc-Roussillon region, brings over 30 years of expertise in membrane separation t…
Flovac is a global designer and supplier of vacuum sewer systems, providing an alternative to conventional gravity and septic infrastructure for commu…
FLOWMIM S.L. is a Spanish manufacturer based in Porqueres (Girona) specializing in agitation, mixing, pumping, and polymer preparation equipment for i…
FORMECO S.R.L., founded in 1971 in Noventa Padovana, Italy by Adriano Nicolè and Ruggero Broglio and now led by Elena Nicolè, manufactures industrial …
FPZ Inc. is the U.S. subsidiary of FPZ S.p.A., an Italian manufacturer founded in 1975 by Celso Ferigo that specializes in fluid handling equipment fo…
FUCHS Fertigteilwerke, operating under FUCHS & Söhne Service GmbH, is a German precast concrete manufacturer headquartered in Berching, Bavaria. The c…
FUGI SRL, operating as FG Pumps, is an Italian manufacturer based in Segrate, Milan, specializing in chemical metering and dosing pumps for industrial…
Fabryka Armatur JAFAR S.A. has made cast iron valves and fittings in Poland since 1953, with production at Skolyszyn and Przysieki in the country's so…
Fairbanks Nijhuis, operating as a brand under Pentair, carries over 200 years of pump manufacturing heritage and produces one of the industry's broade…
Finger-Beton Unternehmensgruppe is a German precast concrete manufacturer founded in 1885, headquartered in Fronhausen, Hesse, with eight production s…
Five Star Filtration, based in Conroe, Texas, manufactures continuous-operation water filtration systems for municipal and industrial water treatment,…
Flocell appears in industry line cards and trade listings as a water and wastewater equipment supplier. Company details are pending verification — if …
Fluence Corporation, headquartered in Plymouth, Minnesota and listed on the Australian Securities Exchange, delivers decentralized and modular water a…
Fluidmix S.L. is a Spanish agitation and dosing equipment manufacturer based in Madrid, designing, producing, and providing technical assistance for i…
Fluidyne is a US-based manufacturer of proprietary wastewater treatment process equipment, supplying municipal and industrial wastewater treatment sys…
Fraccaroli & Balzan S.p.A. is an Italian manufacturer founded in 1969 in Pescantina, Verona, by Tiziano Fraccaroli and Carlo Balzan. With over 8,000 p…
Franz Eisele u. Söhne GmbH & Co. KG, founded in 1887 and based in Sigmaringen-Laiz, Germany, is a manufacturer of pumps and agitators for the agricult…
Friedrich Krumme GmbH, based in Bad Hersfeld, Germany, has over 35 years of experience specializing in stainless steel scraper track systems and speci…
FUCHS Enprotec GmbH, based in Mayen, Germany with over fifty years of experience, is a subsidiary of METAWATER Co., Ltd. of Japan specializing in aera…
Fuel Tech, Inc. (NASDAQ: FTEK), headquartered at 27601 Bella Vista Parkway, Warrenville, Illinois 60555, develops and commercializes technologies for …
FujiClean Co., Ltd. is a Japanese manufacturer of onsite wastewater treatment systems, founded in 1961 and recognized as one of the world's leading pr…
Fumoso Industrial S.A., operating through its Drenotube brand, is a Spanish manufacturer that originated in 1965 as an EPS packaging producer in Corne…
G&G Partners Srl, established in 2008 and based in the Brescia area of Lombardy, Italy, is a manufacturer of reinforced polyethylene geomembranes mark…
G-H Systems, Inc. is a Georgetown, Texas-based provider of custom engineered water and wastewater treatment plants and proprietary process equipment, …
GAMART S.A., founded in 1996 and based in Jasło in southeastern Poland, operates across four business pillars — R&D, manufacturing, machinery, and dis…
GE Water, acquired by SUEZ in 2017 and subsequently integrated into Veolia Water Technologies following Veolia’s 2021–2022 acquisition of SUEZ, now op…
GEA is a DAX-listed engineering group and one of the world's largest systems suppliers for the food, beverage, and pharmaceutical sectors, with a sign…
GLS Tanks International GmbH, based in Heidenreichstein, Austria, has spent over 30 years specializing in bolted glass-lined steel tanks, vessels, and…
Groupe GOTREX, headquartered in Cessieu near Lyon, France, is an industrial valve and piping group comprising three entities: GOTREX (distribution, es…
GOVAPEX, formerly Vapex Environmental Technologies, designs and manufactures ozone and hydroxyl radical generation systems for municipal wastewater an…
GRATT Europa Lda, based in Esposende, Portugal, is the European subsidiary of Gratt Industria e Tecnologia Ambiental — Brazil's largest manufacturer o…
Galli Aldo S.r.l. is an Italian manufacturer with over 60 years of experience designing, fabricating, and installing thermoplastic equipment for indus…
Gebr. Ostendorf Kunststoffe GmbH, founded in 1973 and based in Vechta, Germany, operates as a Vollsortimenter — a full-range supplier — covering the c…
General Carbon Corporation, based in Paterson, New Jersey, has supplied activated carbon products and adsorption systems for over 60 years to municipa…
Geoteck-Tierre S.R.L., trading as Geotierre, produces aeration diffusers and MBBR media for wastewater treatment from Casazza in the Bergamo province …
NORD DRIVESYSTEMS, headquartered in Bargteheide, Germany, is a global drive technology manufacturer operating 48 subsidiaries across 36 countries with…
Glasco UV, LLC is a woman-owned American manufacturer specializing in ultraviolet disinfection systems for water and wastewater treatment, headquarter…
Glasco UV is a woman-owned American manufacturer of ultraviolet water disinfection systems based in Mahwah, New Jersey, with over 1,500 installations …
Glass-Steel, Inc. has fabricated fiberglass reinforced plastic (FRP) structures for the water and wastewater industry since 1979 from its headquarters…
Goetze KG Armaturen is a fourth-generation family-owned valve manufacturer based in Ludwigsburg, Germany, founded in 1949. The company specializes in …
Golden Harvest Inc. is a U.S. manufacturer of aluminum and stainless steel water control gates with over 40 years of experience and more than 5,000 in…
Gradiant is a global water treatment solutions provider that originated as an MIT spinout and now operates across semiconductor manufacturing, pharmac…
Greasezilla, operated by Downey Ridge Environmental and headquartered in West Virginia, manufactures turnkey FOG (Fats, Oils, and Grease) and UCO (Use…
Green Steel Environmental offers a single-product strategy built around Green Steel PSR™, a patented ultra-fine granulated additive derived from a ste…
Gross-Wen Technologies (GWT), headquartered at 404 Main Street in Slater, Iowa, develops and commercializes algae-based wastewater treatment systems u…
Grünbeck AG, headquartered in Höchstädt an der Donau, Germany, manufactures water treatment systems for residential, commercial, and industrial applic…
Founded in 2003 and headquartered in Guangzhou's Baiyun District, Guangzhou Shincci Energy Equipment Co., Ltd. has deployed over 3,000 low-temperature…
Guardian Environmental Products, operating under the brand GuardWater, is a manufacturer of capital equipment for the water and wastewater industry he…
Göksan Pompa Sanayi ve Ticaret A.Ş., operating under the registered SEP (Sep Pump Systems) brand, is one of Turkey's leading pump manufacturers with o…
H.O. Trerice Company, founded in 1923 and headquartered in Oak Park, Michigan, is a century-old American manufacturer of industrial measurement and co…
H2O Innovation is a publicly traded Canadian water technology company founded in Quebec that designs, builds, and operates water and wastewater treatm…
H2Ortner GmbH, headquartered in Passau, Germany, is a specialized wastewater treatment company serving municipal and industrial clients through a dist…
H2S CONTROL, a division of Heyward Florida Incorporated based in Orlando, Florida, manufactures four distinct vapor-phase hydrogen sulfide treatment s…
H2S Control, a division of Heyward Florida Incorporated based in the Orlando area, designs and manufactures hydrogen sulfide odor control systems excl…
HABA-Beton Johann Bartlechner KG is a German precast concrete manufacturer serving underground civil engineering and water infrastructure markets acro…
HAHN Kunststoffe GmbH is a German manufacturer that transforms post-consumer mixed plastic waste into durable engineered products under the hanit bran…
HAUS Centrifuge Technologies, founded in 1954 and headquartered in Aydin, Turkey, operates a 100,000-square-meter integrated production facility with …
HAUS Centrifuge Technologies (HAUS Makina Sanayi Ticaret A.Ş.) is a Turkish manufacturer founded in 1954 in Aydın, originally as “Hakkı Usta” by engin…
HIDROSTANK S.L., established in 1996 and based in Tafalla, Navarra, Spain, designs and manufactures integrated infrastructure solutions for sanitation…
Founded in 1981 and headquartered in Meschede, Germany, HST Systemtechnik employs approximately 215 people across four locations including a dedicated…
Halliday Products Inc., established in 1972 and headquartered in Orlando, Florida, manufactures aluminum and stainless steel access covers, safety sys…
Hallsten Corporation has designed and fabricated structural aluminum products from its North Highlands, California headquarters since 1966. The compan…
Hanovia, now operating under the Nuvonic brand as part of the Halma group, has manufactured UV water treatment systems and lamps at its specialist fac…
Hardy Pro-Air Systems and Service (HPA), a division of Meyer Machine and Equipment based in Antioch, Illinois, designs, manufactures, and services air…
Hardy Pro-Air Systems and Service (HPA), a division of Meyer Machine and Equipment based at 351 Main Street in Antioch, Illinois, engineers and manufa…
Hartzell Air Movement is a sixth-generation family-owned industrial fan and blower manufacturer based at 910 South Downing Street in Piqua, Ohio. The …
Founded in 1967 in Freilassing, Bavaria, Hawle Deutschland Armaturen GmbH has grown from a valve manufacturer into a comprehensive system provider for…
Hayward Flow Control, a division of Hayward Industries, Inc., has manufactured thermoplastic flow control products for over 60 years from its US-based…
Helector S.A. is a Greek integrated waste management and environmental engineering company that operates as a full-cycle service provider — from desig…
Henan Hengju Chemical Co., Ltd. is a water treatment chemical manufacturer and subsidiary of Beijing Hengju Group, established in 1989 and operating f…
Henriques and Henriques, S.A., founded in 1980 by Saul Henriques and based in Santarem, Portugal, is a pressure vessel and metal tank manufacturer for…
Herbst Umwelttechnik GmbH (HUT), based in Berlin, Germany, has operated in environmental protection for over 38 years, specializing in the planning, c…
Heron Innovators, established in 1998 and based in California's Central Valley, is the manufacturer of Suspended Air Flotation (SAF) technology—a prop…
Herrenknecht Separations, a division of Herrenknecht AG based in Schwanau, Germany, delivers integrated separation technology and water treatment solu…
Hewitech is a family-owned German manufacturer operating from Billerbeck, North Rhine-Westphalia, with over three decades of experience producing plas…
Hexa-Cover A/S, headquartered in Thisted, Denmark, is the globally market-leading manufacturer of floating cover elements for liquid surfaces, with in…
Heymann BBV GmbH, based in Mühldorf, Bavaria, is a water treatment chemical specialist operating under the Waldilit® brand, providing consulting, appl…
Hidrofilt Vizkezelest Tervezo es Kivitelezo Kft., founded in 1990 and based in Nagykanizsa, Hungary, is a vertically integrated water treatment manufa…
Hoffman and Lamson, operating under the Gardner Denver Nash Division, have manufactured multistage centrifugal blowers and exhausters for over a centu…
Howden, now part of Chart Industries, draws on over 160 years of engineering heritage to manufacture centrifugal turbo compressors and blowers for mun…
Howden, now part of Chart Industries following a 2023 acquisition, is a global engineering company with over 160 years of history providing mission-cr…
Huma Environmental, a division of Huma, Inc. based in Gilbert, Arizona, manufactures bioremediation and biostimulant products for wastewater treatment…
Founded in 1909 and headquartered in Clayton, New Jersey, Hungerford & Terry is an employee-owned manufacturer of municipal and industrial water treat…
Huning Anlagenbau GmbH & Co. KG, based in Melle, Lower Saxony, Germany, is part of the Huning Group and delivers single-source solutions for the trans…
Hybag Automationen AG, founded in 1973 and headquartered in Linden (Bern), Switzerland, manufactures organic waste processing systems and automation e…
Hydranautics, part of the Nitto Group since 1987, has operated out of Oceanside, California since its founding in 1963 and entered the reverse osmosis…
Hydro Instruments has manufactured gas chlorination equipment and chemical metering systems from its Telford, Pennsylvania facility since 1978, positi…
HydroThane STP bv, headquartered in 's-Hertogenbosch, Netherlands and founded in 2008, designs and constructs biological wastewater treatment and biog…
Hydronix Water Technology, based in Ontario, California, is a manufacturer and wholesale distributor of water filtration, purification, and separation…
Höcker Polytechnik GmbH, founded in 1962 and headquartered in Hilter a.T.W. near Osnabrück, Germany, is an owner-managed manufacturer of industrial ex…
IDEXX Laboratories, Inc. is a global leader in rapid water microbiology testing solutions, providing test kits and automated instrumentation that safe…
Headquartered in Lakeville, Minnesota and operating since 1994, IEC (Industrial & Environmental Concepts, Inc.) is a global designer, fabricator, and …
INDUSCO Environmental Services is a custom-engineered air and water pollution control systems manufacturer based in Spanish Fort, Alabama, with over 4…
INNOWASTE is a clean technology company headquartered in Budapest, Hungary with US operations in Sheridan, Wyoming, that developed the InnoPellet syst…
INVENT Umwelt- und Verfahrenstechnik AG, based in Erlangen, Germany, designs and manufactures mixing, aeration, and solid-liquid separation equipment …
IUT Innovative Umwelttechnik GmbH, based in Pfedelbach, Baden-Württemberg, Germany, designs, manufactures, and installs environmental technology equip…
IWAT GmbH engineers industrial wastewater treatment plants from Hebertshausen near Munich, Germany, with a record of 250 completed projects in 37 coun…
Idrobase Group, based in Borgoricco, Padova, Italy, operates under a "Clean Breathing" philosophy that prioritizes reducing or eliminating chemical us…
Ikeuchi Europe B.V., headquartered in Breukelen, Netherlands, is the European subsidiary of Ikeuchi, Japan's leading industrial spray nozzle manufactu…
Infilco Degremont, based in Richmond, Virginia, is a water treatment equipment manufacturer operating as part of Degremont Technologies, the equipment…
Infiltrator Water Technologies, now part of Advanced Drainage Systems (ADS), has been a leader in the onsite wastewater treatment industry for over 38…
Infrastructure Dynamics, based in Blacksburg, Virginia, engineers and manufactures modular wastewater treatment systems, packaged pump stations, and s…
Inland Tarp & Liner (ITL) is an employee-owned company (since 2020) providing customizable geosynthetic solutions across three U.S. facilities in Mose…
Innovatek is a Turkish engineering and manufacturing company based in Gebze, Kocaeli, founded by experienced wastewater treatment engineers to deliver…
Innovatreat (legal entity: Innovative Treatment Products, Inc.) is an Owings Mills, Maryland-based manufacturer of advanced decentralized wastewater t…
Inovair, a division of Accessible Technologies Inc., designs and manufactures integrally geared centrifugal blowers and compressors from its Lenexa, K…
Inovair, a division of Accessible Technologies Inc. based in Lenexa, Kansas, has manufactured integrally geared centrifugal blowers and compressors in…
Integrated Water Services, Inc. (IWS) is a design-build firm headquartered at 115 Wild Basin Road South, Suite 107, Austin, Texas 78746, with manufact…
INVENT Umwelt- und Verfahrenstechnik AG supplies process equipment for municipal and industrial water and wastewater treatment from its headquarters i…
Isotex Engineering Srl, based in Trissino (Vicenza), Italy, is part of the Santex Rimar Group and manufactures the DryWa low-temperature belt sludge d…
JCS Industries is a Spring, Texas-based manufacturer of chemical feeding and monitoring equipment dedicated to municipal and industrial water and wast…
JDV Equipment Corporation is a New Jersey-based manufacturer that has designed and built process equipment for water, wastewater, industrial, and agri…
JSF OIL&WATER S.A., operating through its ALUROOFS brand, is a Spanish manufacturer with over 25 years of experience designing and producing self-supp…
JUROP S.p.A. was founded in 1976 in Villotta di Chions, Italy, and is now headquartered in Azzano Decimo (Pordenone). Approaching its 50th anniversary…
JWC Environmental (JWCE), operating as a Sulzer brand since its acquisition, has manufactured wastewater screening, grinding, and solids reduction equ…
Jet Inc., based at 750 Alpha Drive in Cleveland, Ohio, is an ISO 9001:2015 certified manufacturer of residential and commercial onsite wastewater trea…
John Cockerill is a Belgian industrial engineering group founded in 1817 that develops large-scale technological solutions across multiple sectors. Wi…
John Cockerill Group, founded in 1817 and headquartered in Belgium, is a diversified industrial conglomerate with 1.697 billion euros in 2024 order en…
Jumel+Kraft Kunststofftechnik GmbH & Co. KG, based in Weitefeld in the Westerwald region of Germany, brings over 40 years of experience to the design …
Kazanci Çevre Teknibi̇yoteknoloji, headquartered in Istanbul's Kadıköy district, delivers environmental technology solutions through three integrated …
KECO Pump and Equipment, established in 1954 and based in San Diego, California, is the exclusive North American distributor of Ragazzini Rotho perist…
KEIKEN Engineering is a Spanish firm with offices in Alcobendas (Madrid) and Barberà del Vallès (Barcelona), holding ISO 9001:2015 certification throu…
KELLER Pressure AG, founded in 1974 by physicist Hannes W. Keller (inventor of the integrated silicon measuring cell) and now led by his sons Tobias a…
KEMEO BV is a Netherlands-based dissolved air flotation specialist headquartered in Hilversum, with over 30 years of experience and ISO 9001 certifica…
KF Unternehmensgruppe GmbH (KF Group) is a Berlin-based environmental services conglomerate founded by the Kemmer and Fischer families, with origins t…
KMU LOFT Cleanwater SE, based in Kirchentellinsfurt, Germany with an office in Lörrach, has delivered over 2,800 vacuum evaporation systems across 60 …
KSB SE & Co. KGaA, established in 1871 in Frankenthal, Germany, operates in the United States through three entities: KSB Inc. (pumps and valves for w…
KUBICEK VHS, s.r.o. develops and manufactures its complete blower line in-house at Velke Losiny, Czech Republic, and ranks as the country's largest bl…
Kaeser Compressors, founded in 1919 in Coburg, Germany and family-owned with approximately 8,000 employees and EUR 1.6 billion in annual revenue, manu…
Kaufmann Umwelttechnik GmbH, based in Wehr in southern Germany, has manufactured professional ozone generation systems since 1980, making it one of th…
Kawasaki Heavy Industries, a diversified Japanese industrial conglomerate headquartered in Kobe, Japan, produces water and wastewater treatment system…
Kemira Water Solutions, Inc. is the North American subsidiary of Kemira Oyj, a global chemistry company headquartered in Helsinki, Finland, with over …
Kerafol Keramische Folien GmbH and Co. KG is a family-owned German manufacturer that produces ceramic filtration discs and membranes for dynamic cross…
The Kerry Company, Inc., operating as Kerry Actuator, is a USA-based manufacturer of industrial electro-hydraulic actuators located in Allison Park, P…
Headquartered in Eresing, Germany and operating for over four decades under Managing Director Georg Klass junior, Klass Filter GmbH engineers continuo…
Komline, founded in 1946 and headquartered in Peapack, New Jersey, is an industrial equipment manufacturer that operates a portfolio of over ten speci…
Komline is a Peapack, New Jersey-based process equipment manufacturer founded in 1946, operating multiple specialized brands under one corporate umbre…
Kovalus Separation Solutions delivers liquid-solid separation technologies across twelve market sectors including water and wastewater, dairy, food an…
Wolfgang Krajewski GmbH & Co. KG, trading as KRAJEWSKI Pumpentechnik, is a German engineering and manufacturing firm established in 1971 and based in …
Krüger A/S is a Danish water technology company and subsidiary of Veolia Water Technologies, providing biological wastewater treatment, ozone disinfec…
Kruger, the North American arm of Veolia Water Technologies, provides a comprehensive portfolio of proprietary water and wastewater treatment processe…
Kruger A/S is Veolia Water Technologies' Danish subsidiary, delivering water and wastewater treatment solutions across municipal and industrial market…
Kubota Water and Environment U.S.A Corporation supplies Membrane Bioreactor (MBR) systems and submerged membrane technology for wastewater treatment, …
Kubota Water and Environment U.S.A. Corporation (KWU) is the American subsidiary of Japanese industrial conglomerate Kubota, specializing in membrane …
Founded in 1964 in Nagold, Germany, KUGLER Behälter und Anlagenbau GmbH specializes in solid-liquid separation and sludge dewatering equipment with ov…
Kusters Water, operating under Zima Corporation (part of the Jagenberg Group), is an ISO 9001:2015 certified manufacturer of headworks, clarification,…
Körting Hannover GmbH is a German process engineering company founded in 1871 and headquartered in Hannover. With over 150 years of continuous operati…
LTG Aktiengesellschaft is a German manufacturer specializing in process air technology for industrial filtration, air handling, and vehicle testing ap…
LUEHR FILTER GmbH, founded in 1938 and headquartered in Stadthagen, Germany, is a family-owned air pollution control systems manufacturer now in its t…
Labkotec Oy, founded in 1964 and headquartered in Pirkkala, Finland, is a measurement technology manufacturer and subsidiary of the Indutrade Group th…
Laizhou Dongsheng Valve Co., Ltd. is a Chinese industrial valve manufacturer founded in 2002 in Shahe Town, Laizhou City, Shandong Province. Operating…
Lemna Environmental Technologies, established in 1983 and headquartered in Vadnais Heights, Minnesota, specializes in lagoon-based wastewater treatmen…
Licus ProTech is a German engineering company specializing in long-shaft agitation technology for municipal and industrial water treatment. Their flag…
Logiball Inc. is a manufacturer of trenchless pipe rehabilitation equipment celebrating over 40 years in business, operating from headquarters in Queb…
Lombardini SRL is an Italian manufacturer founded in 1955, specializing in custom and standard plastic profiles produced through mono-extrusion, co-ex…
Lone Star Turbo operates from a 16-acre campus at 8883 West Monroe Road in Houston, Texas, manufacturing centrifugal blowers and compressors for water…
Longking EnTech Europe, headquartered in Villaviciosa de Odón, Madrid, Spain, delivers ozone generation and UV disinfection systems for municipal drin…
Bürsten-Baumgartner, operating as Ludwig und Rosa Baumgartner OHG, is a German industrial brush manufacturer based in Plattling, Bavaria, founded in 1…
MANN+HUMMEL Water & Membrane Solutions is the water and process filtration division of the MANN+HUMMEL group, a family-owned German enterprise with mo…
MAPRO S.p.A. is an Italian manufacturer with over 60 years of experience designing and producing rotary pneumatic machines for air, biogas, natural ga…
MAXX Mess- und Probenahmetechnik GmbH is a family-owned manufacturer based in Rangendingen, Germany, producing automatic water sampling equipment span…
MB Anlagentechnologie GmbH & Co. KG, based in Neumünster, Schleswig-Holstein, Germany, is an engineering and manufacturing firm specializing in comple…
Molded Fiber Glass Construction and Water Products (MFG CWP), an employee-owned company under the Molded Fiber Glass Companies umbrella with over 75 y…
MIXEL S.A.S. is a French industrial agitator manufacturer founded in 1969 and headquartered in Dardilly, France, now operating within the GMM Pfaudler…
MMI Tank and Industrial Services, headquartered at 3240 S. 37th Ave in Phoenix, Arizona, operates from an eight-acre fabrication plant and serves elev…
McWane Plant and Industrial (MPI) is a U.S. manufacturer of valves, water control gates, ductile iron pipe, fittings, and actuators serving water, was…
MUTAG A/S is a Danish biofilm carrier media manufacturer specializing in MBBR (Moving Bed Biofilm Reactor) and IFAS (Integrated Fixed-film Activated S…
Marcab Company Inc. has manufactured gas scrubbing and purification systems since 1970 from its facility at 155 Balboa Street, Suite D-9, San Marcos, …
Marel Water Treatment B.V., now operating as JBT Marel following the merger of JBT Corporation and Marel, is a Netherlands-based manufacturer speciali…
Marolf Environmental, Inc., established in the 1920s and based at 4430 Erie Drive in New Port Richey, Florida, is a designer, manufacturer, and instal…
Marseplast sp. z o.o., based in Niepołomice near Kraków, Poland, leverages over 35 years of plastics processing expertise across 20 injection molding …
Mass Transfer Systems (MTS), founded in 1984 and headquartered at 23 Walpole Park South, Walpole, MA 02081, is a manufacturer of jet aeration and jet …
Mazzei Injector Company, founded in 1978 and based in Bakersfield, California, specializes in high-efficiency venturi injectors, flash reactors, and g…
Meidinger AG is a medium-sized Swiss industrial fan manufacturer based in Kaiseraugst, Aargau, operating as an independent company within the Witt Gro…
MENA Water FZC is an engineering and manufacturing firm dual-headquartered in Sharjah Airport Free Zone, UAE, and Berching, Germany, delivering contai…
Messer SE & Co. KGaA, founded in 1898 and majority-owned by the Messer family, is the world's largest privately held industrial, medical, and specialt…
Clean Methane Systems (CMS), operating as Methanesys, was founded in 2014 and is headquartered in Tualatin, Oregon. The company provides integrated bi…
Micro Sensor Co., Ltd. is a Chinese manufacturer founded in 1993 in Baoji, Shaanxi Province, with over 800 employees and 100-plus R&D engineers. The c…
Moleaer Inc., founded in 2016 by Warren Russell and Bruce Scholten and headquartered in Hawthorne, California, develops and manufactures nanobubble ge…
Monroe Environmental, founded in 1971 and headquartered in Monroe, Michigan, is a family-owned manufacturer providing custom-engineered air pollution …
Mass Transfer Systems (MTS), operating since 1984 from Walpole, Massachusetts, designs and manufactures jet aeration and jet mixing systems for munici…
Mueller Water Products, Inc. is a publicly traded North American manufacturer and solutions provider for water and gas infrastructure, operating throu…
NETZSCH Pumps USA appears in industry line cards and trade listings as a water and wastewater equipment supplier. Company details are pending verifica…
NOVAIR is a global manufacturer of on-site gas generation systems with over 45 years of experience and operations spanning more than 150 countries. He…
NPHarvest Oy, headquartered in Espoo, Finland, develops proprietary physicochemical nutrient recovery technology that extracts nitrogen and phosphorus…
Nabohi USA LLC, headquartered in Houston, Texas, is an ISO 9001:2015 certified manufacturer of submersible pumps, aerators, mixers, and water and wast…
Napier-Reid, an Axius Water company, has delivered engineered water and wastewater treatment solutions for over 70 years, serving municipalities and i…
NavoTech Inżynieria Środowiska is a Polish manufacturer of polyethylene equipment for the water and sewage industry, operating with 100% Polish capita…
NEFCO is a manufacturer of fiberglass reinforced plastic (FRP) products for water and wastewater treatment, founded in the late 1980s in Stamford, Con…
Nesemeier GmbH, founded in 1998 and based in Blomberg, Germany, manufactures biogas plant components and provides installation, rehabilitation, and ma…
NeutraTek Odour Solutions is a Calgary, Alberta-based environmental technology firm specializing in photoionization-based odour and air quality contro…
Neutralox Umwelttechnik GmbH, part of the KF Unternehmensgruppe family of companies, develops and manufactures photoionisation-based odour control sys…
Newterra, headquartered in Coraopolis, Pennsylvania, is a water and wastewater treatment equipment manufacturer whose product portfolio spans aeration…
Nexom is a wastewater treatment technology company headquartered in Winnipeg, Manitoba, Canada and a member of the Axius Water family of companies alo…
Next Turbo Technologies (NTT), founded in 2014 and headquartered in Inarzo near Varese in northern Italy, manufactures integrally geared single-stage …
Next Turbo Technologies S.p.A., founded in 2014 and headquartered in Inarzo near Varese, Italy, designs and manufactures integrally geared single-stag…
Nijhuis Saur Industries (NSI), operating under the Saur Group, is a multinational water and wastewater technology provider with over 7,000 reference i…
Nordic Water, a Sulzer brand established in 1961 and headquartered in Mölndal, Sweden, manufactures mechanical separation, filtration, and pumping equ…
Norit Activated Carbon is a global manufacturer with over a century of production experience, operating more than 400 grades of granular and powdered …
Norwalk Wastewater Equipment Company (Norweco), founded in 1906 and headquartered in Norwalk, Ohio, manufactures water and wastewater treatment produc…
Plasti-Fab, operating as a brand within NOV's Fiber Glass Systems division based in Tualatin, Oregon, manufactures fiberglass-reinforced plastic (FRP)…
Nova Rotors Srl, founded in 1990 and based in Sossano, Italy, manufactures progressive cavity pumps, twin-screw pumps, floating stator pumps, dosing p…
NovoLabs Limited is a New Zealand company that developed the Supercritical UV disinfection system, a patented ultraviolet technology capable of treati…
Nuvoda, headquartered at 608 Gaston Street in Raleigh, North Carolina, develops and manufactures the Mobile Organic Biofilm System (MOB), a patented w…
Nuvonic, formed by uniting the legacy UV brands Aquionics, Berson, Hanovia, and Orca under a single identity, brings over a century of UV technology d…
OFTEC GmbH is a family-owned German engineering firm based in Dorsten with approximately 16 employees and over 10 international dealers. The company d…
OKO-tech GmbH & Co. KG, based in Hessisch Oldendorf, Germany, engineers and builds customized industrial wastewater treatment plants with a vendor-neu…
OKO-tech GmbH and Co. KG, based in Hessisch Oldendorf, Germany, is a system provider for custom industrial wastewater treatment plants that distinguis…
OMEAX SARL is a France-based valve and actuation solutions provider headquartered in Crissey, operating with a dual Europe-Asia organizational structu…
OR-TEC, Incorporated has designed and manufactured all-stainless-steel wastewater treatment equipment at its Cleveland, Ohio facility since 1980, serv…
ORELL Tec AG, established in 1969 in Duedingen, Switzerland, operates under ISO 9001:2015 certification and engineers products and systems for storing…
ORPU Pumpenfabrik GmbH, whose name derives from Oranienburger Pumpenfabrik, is a German manufacturer with approximately 80 years of history specializi…
OSMO Membrane Systems GmbH, founded in 1980 and part of the GAW Gruppe, is a specialized manufacturer of industrial membrane filtration and separation…
OSWALD SCHULZE Umwelttechnik GmbH, based in Gladbeck, Germany, brings over 90 years of experience to the planning, delivery, installation, commissioni…
OTT System GmbH and Co. KG, founded in 1986 and headquartered in Langenhagen, Germany, is a specialized manufacturer of high-performance aeration syst…
OZ SEPA Inc., headquartered in Seoul, South Korea, develops and manufactures nano-structured membrane systems for direct oil-water separation under th…
Ocono is a German industrial hose manufacturer formed from the rebranding of the former Schauenburg Hose Technology Group, bringing together subsidiar…
Oekermann GmbH and Co. KG, founded in 1977 and headquartered at Vinner Strasse 175 in Bielefeld, Germany, is a family-owned manufacturer that has spec…
Orbinox is a knife gate valve manufacturer with over 50 years of experience supplying valve solutions to water treatment, mining, power generation, pu…
Orenco Systems, Inc. was founded in 1981 and is headquartered in Sutherlin, Oregon, where it researches, designs, and manufactures onsite and decentra…
Orthos Liquid Systems, headquartered in Ridgeland, South Carolina, has designed and manufactured nozzle-based filter systems and components for water …
Ovivo is a global water treatment company with over 150 years of accumulated expertise, offering equipment, technology, and complete systems for produ…
PATELEC CORDS AND CABLES SRL manufactures low-voltage cables, power cords, and wiring from Cerrina Monferrato in Italy's Alessandria province, with ad…
PCI Gases engineers on-site oxygen and nitrogen generation systems using proprietary VSA (Vacuum Swing Adsorption) technology, membrane separation, an…
PCM Europe SAS, headquartered in France with offices across Europe, Asia, and the Americas, is a positive displacement pump manufacturer with over 90 …
PCS Co., Ltd. (Physico Chemistry Solutions) is a South Korean environmental instrumentation company headquartered in Bucheon, Gyeonggi-do that develop…
Founded in 1979 and headquartered in Redondela, Pontevedra (Spain), Peter Taboada S.L. is an ISO 9001:2015-certified manufacturer specializing in wate…
Primary Flow Signal, Inc. (PFS), established in 1983 and based in Cranston, Rhode Island, manufactures differential pressure flow measurement devices …
PWL GmbH & Co. Anlagentechnik KG, located in Bueckeburg in Lower Saxony, Germany, equips municipal and industrial wastewater plants with mechanical tr…
Papantonatos S.A. is a Greek pump manufacturer with over 60 years of heritage, originally founded in 1963 as EBIM LTD. Operating from an integrated fa…
Paques, founded in 1981 and now part of Skion Water, is a Dutch environmental technology company specializing in biological wastewater and biogas trea…
Paques Technology B.V., founded in 1981 in Balk, Netherlands and now part of Skion Water, is a global leader in biological wastewater and biogas treat…
Parkson Corporation, a subsidiary of Axel Johnson Inc., is a US-based manufacturer offering one of the broadest water and wastewater treatment equipme…
Passavant-Geiger GmbH, headquartered in Aarbergen near Frankfurt am Main and employing approximately 300 people, operates under the three brands Passa…
Pencco (Pioneer Engineering Chemical Company), headquartered in San Felipe, Texas, has manufactured and distributed water and wastewater treatment che…
Permastore is a UK-based manufacturer of modular bolted containment tanks and silos, with installations in over 110 countries. The company's primary t…
Pieralisi is an Italian manufacturer of centrifugal separation and extraction equipment with a history spanning over 130 years and more than 41,500 in…
Pinnacle Ozone Solutions, LLC, based in Cocoa, Florida, manufactures ozone generation systems for municipal drinking water and wastewater treatment, i…
Plastec Ventilation manufactures corrosion-resistant fans and blowers constructed from polypropylene, PVC, and electro-polished 316 stainless steel fo…
Plasti-Fab, operating as a brand within NOV's Fiber Glass Systems Water, Environmental and Flow Solutions (WEFS) division established in 2022, manufac…
Pleasant Mount Welding, Inc. (PMWI) is a manufacturer of miscellaneous metals for water, wastewater, and flood control facilities, headquartered at 45…
Plum Membrane Technology Co., Ltd. (Anhui Plum Membrane Technology), established in 2004 and based in Hefei, Anhui Province, China, develops and manuf…
Precision Systems, based in Calumet City, Illinois, has supplied water and wastewater equipment for over 50 years. The company designs and manufacture…
Premier Magnesia LLC is a global market leader in high-purity calcined magnesium oxide and magnesium hydroxide products, headquartered at 75 Giles Pla…
Premier Tech Aqua, operating under the Rewatec brand, is a division of Premier Tech specializing in decentralized water and wastewater treatment syste…
Presby Environmental, now integrated into Infiltrator Water Technologies (a subsidiary of Advanced Drainage Systems), designs and manufactures passive…
Primo Netherlands B.V., part of the family-owned Inter Primo A/S group headquartered in Copenhagen, Denmark, is a custom plastic extrusion manufacture…
Primozone Production AB, based in Löddeköpinge, Sweden, with US operations in Naperville, Illinois, designs and manufactures high-performance ozone ge…
ProMinent Fluid Controls, the US subsidiary of Heidelberg, Germany-based ProMinent GmbH, manufactures metering pumps, disinfection systems, and water …
PEWE (Process Engineered Water Equipment), offered by Greensprings Group Inc., designs, manufactures, constructs, and warranties industrial and munici…
ProMinent is a German-headquartered manufacturer of chemical metering pumps, dosing systems, water disinfection technology, sensors, controllers, and …
Protectolite Composites Inc., headquartered in North York, Ontario, Canada, is a manufacturer of engineered fiberglass reinforced plastic (FRP) compos…
Purafil, founded in 1969 and based in Doraville, Georgia, is a manufacturer of gas-phase air filtration systems, molecular filtration media, and emerg…
PureAir Filtration, based in Norcross, Georgia, with satellite offices in Rotterdam and Shanghai, has over two decades of experience engineering gas-p…
PureBlue Water, founded in 2008 and based in Kapellebrug, Netherlands, designs and manufactures compact decentralized wastewater treatment systems wit…
Pureflow Filtration Division, a CEC Inc. company founded in 1973 and based in Whittier, California, is an original equipment manufacturer of custom-en…
Pyxis Lab, Inc. (operating internationally through Pyxis Europe SL) is a water quality instrumentation manufacturer specializing in inline sensors, ha…
Qua-vac B.V., headquartered in Almere, the Netherlands, has designed and manufactured vacuum wastewater systems for over 50 years under CEO Ivar Quatf…
Quilton S.A. is a Spanish manufacturer based in Bilbao that designs and builds mechanical equipment for water and wastewater treatment. The company's …
r-h-pro GmbH (branded R3HAB.PRO) is a German process engineering firm based in Haiterbach, Baden-Württemberg, specializing in the planning, constructi…
REEL Möller, headquartered in Pinneberg, Germany, brings over 80 years of engineering heritage to the design and manufacture of pneumatic conveying sy…
ROTOTEC SPA, headquartered in Lunano in Italy's Marche region with a secondary facility in Sant'Angelo in Vado, operates under the direction of HB Bos…
RPS Engineering, Inc., founded in 1975 in Elgin, Illinois, is a woman-owned U.S. manufacturer of custom-engineered covers and enclosures for industria…
RVT Process Equipment GmbH, founded in 1976 and headquartered in Stadtsteinach, Bavaria, Germany, with subsidiary offices in Knoxville, Tennessee (USA…
Lakeside Equipment Corporation, headquartered in Bartlett, Illinois and operating continuously since 1928, provides equipment across virtually every s…
Sentry Equipment is a 100% employee-owned manufacturer headquartered in Oconomowoc, Wisconsin — recognized as a USA TODAY Top Places to Work for 2026 …
Reliant Water Technologies is a manufacturer and marketer of patented, specialized water and wastewater treatment products focused on sludge reduction…
Reprotex GmbH, based in Linz, Austria, develops and manufactures mobile water treatment plants that recycle industrial wastewater into reusable clean …
Revive Environmental, headquartered in Columbus, Ohio, is an environmental technology company singularly focused on the treatment and destruction of P…
Rheinbraun Brennstoff GmbH (RBB), headquartered in Frechen, Germany, operates as a wholly owned subsidiary of RWE Power AG, combining midsize operatio…
Risen Water, based in Peachtree City, Georgia, is a water and wastewater treatment equipment manufacturer that develops and commercializes proprietary…
Rodney Hunt, founded in 1840 and headquartered in Orange, Massachusetts, manufactures water control gates and valves for water and wastewater infrastr…
Roebic Laboratories, Inc., founded in 1959 and family-owned and operated in the USA for over 65 years, specializes in bacterial treatment products for…
Roediger Vacuum GmbH, based in Darmstadt, Germany, holds over 50 patents and has deployed approximately 70,000 house connection chambers in continuous…
Roto Pumps North America Inc. (RPNA), established in 2014 as a wholly owned subsidiary of Roto Pumps Ltd. of India, manufactures from Tulsa, Oklahoma …
RMU AG (Rudolf Messner Umwelttechnik), headquartered in Adelsdorf, Bavaria, Germany, is a family-owned manufacturer specializing in biological process…
Röhren- und Pumpenwerk Bauer GmbH, headquartered in Voitsberg, Austria, has operated for over 90 years as a manufacturer of agricultural irrigation, s…
S.C.M. Tecnologie s.r.l., based in San Giorgio Bigarello near Mantua, Italy, has designed and manufactured aeration, mixing, and pumping systems for m…
SATEPA Srl builds UV-C water disinfection equipment from its base in San Giovanni in Persiceto, near Bologna, Italy. Established in 2007, the firm dra…
SCHAEFER KALK GmbH & Co. KG is a fifth-generation family-owned lime manufacturer headquartered in Diez, Germany, with approximately 700 employees worl…
SEFT SRL fabricates mechanical wastewater treatment equipment at a 4,000-square-meter plant in San Felice sul Panaro, in Italy's Modena province. Foun…
SEMEO, founded in 2011 and headquartered in Bréal-sous-Vitré, France, is the mobile effluent and sludge treatment specialist within the SEMOSIA Group,…
SEW-EURODRIVE, headquartered in Bruchsal, Germany, is one of the world's leading drive technology manufacturers with operations in over 50 countries. …
SIDE Industrie SAS, headquartered in Villemer near Paris, is a French pump manufacturer that pioneered direct in-line pumping for wastewater in 1987. …
SIDERURGICA DEL POLESINE SRL (Siderpol), established over 50 years ago and based in Rovigo, Italy, is a manufacturer of electromechanical equipment fo…
SIGMADAF Clarifiers S.L. is a Spanish manufacturer of dissolved air flotation and biological wastewater treatment equipment with over 30 years of expe…
SIMONA AG, headquartered in Kirn, Germany and listed on the Frankfurt and Berlin exchanges, is a global plastics processing company with fiscal 2025 r…
SOLBIEN a.s., headquartered in Ostrava, Czech Republic, manufactures advanced aerobic fermentation and composting systems that convert biodegradable w…
SOTRAFA S.A., headquartered in El Ejido, Almería, Spain, is a geomembrane and geosynthetics manufacturer operating for over 45 years as part of the Ar…
SPX FLOW is a multinational process equipment manufacturer operating across 25 countries with 3,900 employees and over 106,000 products, serving water…
SSI Aeration, Inc. has manufactured fine bubble diffusers and aeration systems since 1995 from its headquarters at 4 Tucker Drive in Poughkeepsie, New…
STM S.p.A., based in Calderara di Reno (Bologna), Italy, is a global manufacturer of power transmission solutions producing approximately 280,000 gear…
SUEZ, with over 160 years of water industry experience, operates North American headquarters in the Chicago area as part of the global SUEZ Group head…
SWAN Analytische Instrumente AG is a Swiss manufacturer established in 1991 and based in Hinwil, specializing exclusively in continuous online analyti…
Founded in 1983 and based in Kirchberg an der Jagst, Germany, SYSTEM S&P GmbH is a family-owned manufacturer specializing in compact wastewater treatm…
Saveco appears in industry line cards and trade listings as a water and wastewater equipment supplier. Company details are pending verification — if t…
Saxwerk GmbH is an owner-managed family business based in the Lüneburg Heide region of Germany, with origins tracing to 1958 in Sweden as Haga Verksta…
Scheuch GmbH, founded in 1963 and headquartered in Aurolzmünster, Upper Austria, is a family-owned global leader in air pollution control and environm…
Schmutz + Hartmann AG, based in Ormalingen, Switzerland, is a specialized manufacturer of conveying solutions for environmental technology application…
Schreiber LLC, headquartered in Trussville, Alabama, has been a wastewater treatment equipment manufacturer since the late 1970s, with over 2,000 inst…
Schönhammer GmbH, based in Mengkofen, Bavaria, Germany, develops and manufactures exhaust air purification, heat recovery, and ventilation systems for…
SciCorp International Corp, headquartered in Mississauga, Ontario, Canada, develops and manufactures micronutrient-based biotechnology products for od…
Selip S.P.A. appears in industry line cards and trade listings as a water and wastewater equipment supplier. Company details are pending verification …
Shandong Huadong Blower Co., Ltd. is a Chinese manufacturer based in Jinan City, Shandong Province, with over 20 years of experience producing Roots-t…
Shanghai Activated Carbon Factory Co., Ltd. (SHHXTC), founded in 1946 and headquartered in Shanghai's Jinshan District, is one of China's earliest act…
Shanxi Carbon Industry Co., Ltd. (operating as Shanxi Carbon-Chem Industry Co., Ltd. and trading as CARBON TECH MATERIAL) is a Chinese manufacturer an…
Center Enamel (CEC Tanks), operating as Shijiazhuang Zhengzhong Technology Co., Ltd., is a Chinese bolted storage tank manufacturer headquartered in S…
Elmo Rietschle, a brand under Siemens Energy, is a globally recognized manufacturer of vacuum and overpressure technology headquartered in Germany, wi…
SIGMADAF Clarifiers, S.L. is a Spanish water treatment equipment manufacturer with over 30 years of experience, operating from a 12,000 square meter p…
Sismat Uluslararasi (Sismat Uluslararasi Arıtma Makinaları İnşaat Mühendislik A.Ş.) is a Turkish manufacturer headquartered in Gebze/Kocaeli near Ista…
Skim-pak, based in Hayward, California, manufactures a specialized line of surface liquid skimmers and decanting equipment for the water, wastewater, …
Smith & Loveless Inc. is an American manufacturer of pre-engineered water and wastewater pumping, headworks, and treatment systems with over 80 years …
Spaans Babcock BV, headquartered in Balk, Netherlands, is the world's leading designer and manufacturer of Archimedean screw pumps and turbines, with …
Steinmüller Engineering GmbH, headquartered in Gummersbach, Germany, is a 100% subsidiary of IHI Corporation (Tokyo) that builds on over 125 years of …
Stenner Pump Company, founded in 1957 and veteran-owned, manufactures peristaltic metering pumps at its Jacksonville, Florida facility, selling exclus…
Streicher Kanalsysteme GmbH is an owner-managed family business based in Kressbronn am Bodensee, Germany, with over 30 years of experience developing,…
SulfiLogger A/S is a Danish sensor technology company headquartered in Denmark that develops and manufactures the SulfiLogger series of hydrogen sulfi…
Founded in 1834 and headquartered in Winterthur, Switzerland, Sulzer is a publicly traded global industrial corporation (SIX: SUN) specializing in flu…
Sulzer is a Swiss industrial engineering company headquartered in Winterthur, Switzerland, with a history dating back to 1834. The company designs and…
Sunresin New Materials Co., Ltd. (SZSE: 300487), headquartered in Xi'an, China, is a globally top-three ion exchange resin manufacturer with annual ou…
Suomen Biovoima Oy (Biovoima) is a Finnish cleantech company headquartered in Pieksämäki that designs, manufactures, and delivers turnkey biogas and b…
Supratec Gesellschaft für Umwelt- und Verfahrenstechnik mbH, formed through the merger of SUPRAFILT GmbH and OXYFLEX GmbH, brings over 45 years of exp…
Syneco Systems is a family-owned American manufacturer based in the Minneapolis, Minnesota area that has produced odor control equipment for over 40 y…
TDL Energie GmbH, headquartered in Neumünster, Germany, has over 30 years of experience designing, manufacturing, and operating water and gas treatmen…
TEC42.COM BV, operating under the Samptec brand from Vianen in the Netherlands, designs and manufactures automatic wastewater sampling systems and flo…
TECNIUM (Casals Cardona Industrial, S.A.) is a Spanish manufacturer headquartered in Manresa, Barcelona, specializing in corrosion-resistant capital g…
TERRECO Environmental Solutions LLC is an environmental technology company providing wastewater treatment and solid waste disposal solutions under a m…
Terson Sp. z o.o. is a Polish power transmission components manufacturer based near Legnica, recognized as one of the world's largest producers of cha…
TIA Technologien zur Industrieabwasser-Behandlung GmbH is a German manufacturer of industrial and municipal wastewater treatment plants, delivering tu…
TNE Korea, headquartered in Osong, Cheongju, South Korea, applies aerospace-derived turbo technology to industrial and environmental applications. The…
JSC Traidenis, founded in 1996 in Alytus, Lithuania, was the first Lithuanian company to manufacture wastewater treatment plants from glass-reinforced…
TUYLUOGLU Makina, an Ankara manufacturer founded in 1982 and selling under the Ruut Blower name, builds roots-type blowers for pressure and vacuum ser…
TAMI Deutschland GmbH, based in Hermsdorf, Thuringia, is the German subsidiary of TAMI Industries S.A. (founded 1993 in Nyons, France), a manufacturer…
Techno Takatsuki Co., Ltd. is a Japanese manufacturer headquartered in Takatsuki, Japan, that pioneered linear diaphragm pump technology and produces …
Technol Portoroz d.o.o., branded as Manufacto, is a Slovenian manufacturer established in 1990 and based in Izola, specializing in fiberglass-reinforc…
Tecnoplastic Srl is an Italian manufacturer headquartered in Saonara, Padova, producing float switches and water filtration housings for global and No…
Thermal Process Systems, headquartered at 627 East 110th Ave in Crown Point, Indiana, has spent roughly three decades developing proprietary biosolids…
Thermax Chemical Europe A/S, based in Herning, Denmark (Industrivej Nord 13, 7400 Herning), is the European arm of Thermax Limited's Chemical business…
Thermowatt Kft. is a Hungarian technology company and Veolia subsidiary with over 17 years of experience specializing in patented wastewater heat reco…
Thetis Environmental specializes in ultrafiltration membrane technology for high-strength and high-solids wastewater treatment. The company's leadersh…
Tholander Ablufttechnik GmbH, founded in 1986 and based in Viernheim near Heidelberg, Germany, is a leading manufacturer of odor removal and exhaust a…
Thompson Fabricating, LLC, a LIGON company with over 70 years of experience, manufactures engineered structural aluminum, steel, and stainless-steel p…
TNE KOREA, founded in 2014 and based in Cheongju-si, South Korea, applies aerospace-derived turbo machinery technology to water treatment, hydrogen en…
Tomorrow Water, a subsidiary of BKT Co. Ltd., develops and deploys advanced wastewater treatment technologies focused on resource recovery and energy …
Tomorrow Water, the US subsidiary of BKT Co. Ltd. of South Korea, develops advanced wastewater treatment process technologies from its headquarters in…
Tongxiang Small Boss Special Plastic Products Co., Ltd. is a Chinese manufacturer founded in 1992 and headquartered in Tongxiang, Zhejiang Province. R…
TopolWater s.r.o. is a family-owned Czech manufacturer of wastewater treatment plants, established as an engineering office in 1990 by Ing. Jan Topol …
Toray Membrane Europe AG, the Swiss-based European arm of Toray Industries, manufactures advanced membrane technology for water treatment, desalinatio…
Trepovi S.L. is a Spanish manufacturer founded in 1995 in Solsona, Catalonia, operating from an 18,000 m² facility with over 40 employees. The company…
TriOS Mess- und Datentechnik GmbH, founded in 1998 as a University of Oldenburg spin-off and headquartered in Rastede, Germany, develops and manufactu…
Trillium Flow Technologies, established in 2019 through First Reserve's acquisition of the Weir Flow Control division, engineers mission-critical pump…
Triplepoint Environmental, now operating under the Axius Water platform, designs and manufactures proprietary lagoon wastewater treatment systems from…
Trojan Technologies, founded in 1977 and headquartered in London, Ontario, Canada, is a manufacturer of ultraviolet water disinfection, UV advanced ox…
Troy Valve, a division of Penn-Troy Manufacturing, operates from a 65,000-square-foot facility in Troy, Pennsylvania, with over 60 years of experience…
Tsurumi Manufacturing is a Japanese pump engineering company founded in 1924 in Osaka, operating globally with Tsurumi Europe GmbH (established 1983 i…
Tuolan Technology Hebei Co., Ltd. (also known as Bolusi Environmental Protection Technology Hebei Co., Ltd.) is a Chinese environmental protection equ…
Turblex, now a brand within Howden (a Chart Industries company since 2023), manufactures single-stage integrally geared centrifugal turbo compressors …
Tusk Industrial is a pump distribution company representing three specialty pump brands — Dean Pumps, Fybroc Pumps, and Sethco Pumps — for demanding f…
Twincad S.r.l., based in Costa di Rovigo, Italy, designs and manufactures machines and complete turnkey plants for water and wastewater treatment, alo…
Typhoon Luchttechniek BV is a Dutch subsidiary of Typhoon NV (Belgium), bringing over 60 years of expertise in industrial air and process technology f…
UAB ENEKA, established in 1998 and headquartered in Kaunas, Lithuania, is a manufacturer of wastewater treatment equipment and rotationally molded pol…
UET Water (Universal Environmental Technologies, Inc.) is a custom-engineered water and wastewater treatment systems integrator with over 35 years of …
ULTRAAQUA A/S is a Danish water treatment equipment manufacturer headquartered in Aalborg that has shipped over 10,000 UV and ozone systems to more th…
USF Fabrication, operating under the Eagle Manufacturing Group, manufactures floor access doors, utility vault doors, metal grating, and pump station …
USP Technologies, headquartered in Glen Allen, Virginia with a Canadian office in London, Ontario, is a full-service chemical treatment provider for m…
U.S.SAWS is a U.S. manufacturer of specialty saws, tools, and equipment for the construction, water/sewer, and underground utilities industries, headq…
Ultraflote, operating as UFI, Inc. (a wholly owned Q-Subsidiary of Associated Construction and Engineering, Inc.), is a Houston-based manufacturer of …
UIT GmbH Dresden is a German engineering and plant construction firm specializing in industrial water and wastewater treatment, with over 35 years of …
Unex is a Spanish manufacturer founded in 1964 and headquartered in the Barcelona area, specializing in insulating cable management systems for electr…
United Blower, Inc. (UBI), headquartered in Ball Ground, Georgia, has manufactured blower systems for water and wastewater treatment for over 35 years…
VATEK Çevre Teknolojileri A.Ş. is a Turkish environmental technology company established in 2006 that designs, manufactures, and installs water and wa…
VGE B.V., based in Schijndel, Netherlands, is a UV-C disinfection manufacturer supplying equipment to over 80 countries through three market-focused b…
VOMM Impianti e Processi S.p.A., founded in 1969 and headquartered in Rozzano, Milan, Italy, is a specialized manufacturer of industrial process plant…
Veolia Water Technologies & Solutions is the water technology division of Veolia, the global ecological transformation company with 215,000 employees …
Van Remmen UV Technology is a Dutch manufacturer based in Wijhe, Netherlands, with over 25 years of experience designing and producing UV-C disinfecti…
VaraCorp, LLC manufactures turbine-based floating surface aerators for wastewater treatment lagoons and ponds, differentiating its technology from con…
Vaughan Company, founded in 1960 and based in Montesano, Washington, is the originator of the chopper pump—a centrifugal pump with integrated cutting …
Veolia Water Technologies and Solutions delivers membrane filtration, advanced oxidation, disinfection, and analytical instrumentation for municipal a…
Veolia Water Technologies is the water treatment arm of Veolia, the global resource management company, offering a portfolio of proprietary treatment …
Veolia Water Technologies & Solutions is the fully Veolia-owned industrial water treatment subsidiary formed after Veolia purchased CDPQ’s 30% stake, …
Vetter GmbH, founded in 1964 and headquartered in Zulpich, Germany, operates as a unit of IDEX Corporation within its Fire & Safety division and posit…
Victaulic, founded in 1925 and headquartered in Easton, Pennsylvania, is the originator and global leader in grooved mechanical pipe joining technolog…
Viron International Corporation, operating since 1971 from Owosso, Michigan with manufacturing in Temple, Texas, designs and builds complete industria…
Viron International Corporation has designed and manufactured custom industrial air pollution control systems for corrosive and odorous air streams fo…
Virtual Polymer Compounds LLC, operating as VPC Fiberglass, manufactures fiberglass-reinforced plastic (FRP) products for water, wastewater, and indus…
VorTech Water Solutions Ltd., headquartered at Mervue Business Park in Galway, Ireland, develops and manufactures the Vortex Powered Aeration (VPA) sy…
Vortex Companies is a trenchless infrastructure rehabilitation manufacturer and contractor operating under the 'Why Dig?®' brand. The company produces…
Founded in 1975 and headquartered in Iowa, Vulcan Industries designs and fabricates customized wastewater screening, screenings handling, grit handlin…
W.A.S. Wasser-Abwasser Systemtechnik GmbH, based in Braunschweig, Germany, develops and manufactures hydrometric measurement technology for water and …
WACO Products Inc. is a Baltimore, Maryland-based manufacturer with over 50 years of experience designing and fabricating engineered aluminum and stai…
WD Klärtechnik GmbH, headquartered in Rheine with a second production facility in Dessau-Roßlau, Germany, is an engineering and manufacturing company …
WDS Welding GmbH, headquartered in Mörfelden-Walldorf, Germany, is a manufacturer of plastic pipe welding equipment operating under the WIDOS brand. T…
WTT (Waste Treatment Technologies Netherlands B.V.), headquartered in the Netherlands and ISO 9001 certified, designs, builds, services, and optimizes…
WTT Italia srl is an Italian manufacturer specializing in oxygen aeration systems for wastewater treatment. The company designs and produces aeration …
WACO Products, Inc. is a custom fabrication and engineering manufacturer based in Baltimore, Maryland, with over 50 years of experience designing and …
Walker Process Equipment, a division of McNish Water with over 60 years in the wastewater treatment industry, designs and manufactures engineered proc…
Walker Process Equipment, based in Aurora, Illinois, has manufactured engineered wastewater treatment equipment since 1946 and is now a division of Mc…
Warminster Fiberglass, founded in 1958 and based in Jacksonville, Texas, manufactures fiberglass reinforced plastic (FRP) shelters, enclosures, and wa…
WaterSam GmbH, based in Balingen, Germany, was founded in 1996 by former employees of Edmund Bühler GmbH and has since become a leading manufacturer o…
Waterleau Group NV, headquartered in Belgium and part of the Machiels Group (founded 1941), is a global water technology company ranked among the top …
Watropur GmbH, an ISO 9001-certified manufacturer headquartered in Duren, Germany with Swiss parent Watropur SZ GmbH in Unterseen, has produced sludge…
Weifang Subtor Rotating Precision Machinery Co., Ltd. is a German-invested enterprise based in Weifang, China, with over 20 years of experience applyi…
Weihai Greenlan Water Treatment Equipment Co., Ltd., based in Weihai, Shandong Province, China, manufactures low-temperature vacuum evaporation, cryst…
WesTech Engineering, LLC, now operating under the Swire Water group, is a large-scale manufacturer of water and wastewater treatment equipment and liq…
Wessel-Umwelttechnik GmbH, founded in 1965 and based in Hamburg, Germany, designs and builds turnkey industrial exhaust air purification and heat reco…
Wey Valve, a brand of Sistag AG based in Eschenbach, Switzerland since 1956, manufactures industrial knife gate valves, butterfly valves, check valves…
Whipps, Inc. is a family-owned manufacturer of custom-fabricated water control gates, founded in 1977 by George and Pauline Whipps and headquartered a…
World Water Works is a wastewater treatment technology company based in Oklahoma City, Oklahoma, offering proprietary systems for both municipal and i…
World Water Works (WWW) is a wastewater treatment technology company headquartered in Oklahoma City, Oklahoma, specializing in biological nutrient rem…
Xinlei Compressor Co., Ltd. is a Chinese manufacturer headquartered in Zhejiang Province that produces over 800,000 units of energy-saving air power e…
Xi'an Taijin New Energy and Materials Sci-Tech Co., Ltd. (TJNE), listed on the Shanghai Stock Exchange STAR Market (688813.SH), manufactures titanium …
Xylem is a global water technology company employing over 23,000 people across approximately 150 countries with more than 8,300 patents, addressing th…
ZEC S.p.A., headquartered in Colorno (Parma), Italy, is a manufacturer of thermoplastic hoses and tubing for low-, medium-, high-, and very-high-press…
Zahnen Technik, headquartered in Arzfeld, Germany, is a family-owned company that pivoted from electrical installation to water and wastewater enginee…
aQuatell, styled Aquatell, is a family-owned water treatment distributor founded in 2006 by Reid Thornley — a former R&D associate at Trojan Technolog…
atg UV Technology, now a Xylem brand following Xylem's 2023 acquisition of Evoqua Water Technologies, is a United Kingdom-based manufacturer of ultrav…
atres solutions, led by founder Dipl.-Ing. Gunther Pesta and headquartered in Munich, Germany, specializes in anaerobic technology and renewable energ…
batchpur GmbH & Co. KG, based in Wilnsdorf, Germany with manufacturing in Brehna, develops and manufactures SBR wastewater treatment systems holding o…
bbe Moldaenke GmbH, headquartered in Schwentinental near Kiel, Germany, has specialized in environmental monitoring instrumentation for over 25 years,…
bioprocessH2O is a wastewater treatment equipment manufacturer based in Rhode Island with over 20 years of experience, 250-plus installations, and a t…
Eco Fresh Carbon (branded Ecofresh) is an Indian activated carbon manufacturer based in Tuticorin, Tamil Nadu, specializing in coconut shell-based ste…
econovation GmbH, headquartered in Ludwigsburg, Germany (contact: +49 7161 3628136), develops and manufactures the ecowirl® platform of patented vorte…
heco GmbH is a German trading house and manufacturer specializing in stainless steel connection components for piping systems. Headquartered in German…
hydrograv GmbH, founded in 2004 as a spin-off from the Karlsruhe Institute of Technology and Technical University of Dresden, applies computational fl…
inCTRL Solutions Inc. is a digital water software company founded in 2012 and part of the SKion Water group since 2021, providing intelligent operatio…
jumbo group smart dry GmbH, headquartered in Buttenwiesen, Germany, manufactures the SpeedRotation STR dryer series and the PyroDry integrated drying-…
medon GmbH is an Austrian measurement technology and systems integration company headquartered in Olbendorf, Burgenland, with a branch office in Prega…
nke INSTRUMENTATION, headquartered in Hennebont, Brittany, France, designs and manufactures oceanographic and freshwater monitoring instruments, auton…
oxytec AG, based in Zürich, Switzerland, manufactures UV-C disinfection, ozone oxidation, plasma air purification, and exhaust air treatment systems f…
se.mo Service + Montage Gesellschaft für technische Anlagen mbH, based in Gelsenkirchen, Germany, manufactures specialized gas handling and sludge man…
smart5 envitech GmbH, operating from Lörrach, Germany under the smart5 group umbrella, provides full-lifecycle industrial water and wastewater treatme…
up2e! is a technology and solution provider specializing in ozone-based water and wastewater treatment, operating within the SKion Water group with ac…
utp umwelttechnik pöhnl GmbH, founded in 2002 and based in Seybothenreuth, Bavaria, is a second-generation family business with around 30 employees th…
vermicon AG, headquartered on the SKYGATE Campus in Hallbergmoos near Munich, is a biotechnology company founded in 1997 as a spin-off from the Techni…
WKS Group, headquartered in Dresden, Germany, is a medium-sized plant engineering firm delivering turnkey water and wastewater treatment facilities un…
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