Biological Treatment
Activated sludge, fixed-film, aeration, and digestion systems that treat wastewater biologically.
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Select one to narrow the 466 listings belowAAT 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…
AGET Manufacturing Company, founded in 1938 in Adrian, Michigan, is a minority-owned (NMSDC-certified) manufacturer of industrial dust collection and …
Alltech Dosieranlagen GmbH, founded in 1983 and based in Weingarten, Baden, Germany, is a family-owned manufacturer specializing in dosing systems and…
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…
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…
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…
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…
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 …
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…
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…
Airmaster Aerator, LLC manufactures high-efficiency aeration systems for industrial and municipal wastewater treatment. Their flagship product, the Ai…
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, …
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 Ultraviolet Company, founded in 1960 and headquartered in Lebanon, Indiana, manufactures UV-C germicidal disinfection equipment entirely in t…
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…
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 …
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…
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…
Aqua Logic Inc., founded in 1989 and operating from a 17,000 sq ft facility in Monroe, North Carolina, manufactures titanium-constructed aquatic tempe…
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…
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…
Aries Chemical, Inc., headquartered in Beaver Falls, New York, is a vertically integrated water and wastewater treatment company that combines in-hous…
Aster Bio, based in Houston, Texas, combines bioaugmentation products with molecular diagnostic services for biological wastewater treatment optimizat…
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…
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…
BP GROUP d.o.o. is a Croatian environmental equipment manufacturer headquartered in Kneževi Vinogradi, operating subsidiaries across seven countries i…
Headquartered in Reichshof, Germany, H2O — The Water Company (Bader H2O) manufactures ceramic membrane filtration, ozone generation, and nanobubble te…
BCR Environmental, operating under the BCR Solid Solutions brand, is a biosolids and organic waste management technology company headquartered in the …
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 (…
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…
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…
CECO Environmental Corp. (NASDAQ: CECO) is a diversified environmental technology provider employing over 1,600 professionals across 25-plus facilitie…
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…
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…
CTP Environment America, headquartered at 11755 West Little York Road in Houston, Texas, with additional offices in Edmonton and Toronto, is the North…
Camfil, founded in 1963 and headquartered in Trosa, Sweden, is a global air filtration manufacturer operating more than 30 production facilities and s…
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…
Centrisys/CNP is a U.S.-based manufacturer of decanter centrifuge systems and advanced biosolids process technologies, headquartered in Kenosha, Wisco…
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…
Chemical Injection Technologies, Inc. (CIT), operating under the SUPERIOR Water Solutions brand, manufactures gas and liquid chemical feed systems for…
Hangzhou Nainuo Membrane Environmental Technology Co., Ltd. is a Chinese high-tech enterprise and the exclusive authorized distributor of the UK NANO-…
Christian Stoehr GmbH & Co. KG manufactures the Hel-X family of biofilm carrier media at its plant in Marktrodach, Germany. A third-generation family …
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…
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…
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 …
DXP Enterprises is a Houston-based industrial distribution company with over a century of operating history, tracing its roots to the 1908 founding of…
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…
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…
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…
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…
ECOCHIMICA SYSTEM SRL designs and builds gas treatment and odor abatement installations at Creazzo, near Vicenza in northern Italy. Its turnkey plants…
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…
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…
EMEC, headquartered in Rieti, Italy, is a global manufacturer of chemical dosing pumps, digital controllers, and integrated disinfection systems for w…
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…
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…
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…
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 …
Electrolytic Technologies Systems (ETS), operating since 2001 from North Miami Beach, Florida, manufactures on-site chlorine and sodium hypochlorite g…
Enaqua, founded in 1985 as UV Technology and rebranded in 2003, designs and manufactures non-contact UV disinfection systems for water and wastewater …
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…
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…
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…
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…
FIDCHEM develops plasma-based and sorptive water purification technologies targeting persistent contaminants that conventional treatment cannot addres…
FLOWMIM S.L. is a Spanish manufacturer based in Porqueres (Girona) specializing in agitation, mixing, pumping, and polymer preparation equipment for i…
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…
FUGI SRL, operating as FG Pumps, is an Italian manufacturer based in Segrate, Milan, specializing in chemical metering and dosing pumps for industrial…
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…
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…
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…
G-H Systems, Inc. is a Georgetown, Texas-based provider of custom engineered water and wastewater treatment plants and proprietary process equipment, …
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…
GOVAPEX, formerly Vapex Environmental Technologies, designs and manufactures ozone and hydroxyl radical generation systems for municipal wastewater an…
Galli Aldo S.r.l. is an Italian manufacturer with over 60 years of experience designing, fabricating, and installing thermoplastic equipment for indus…
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…
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…
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…
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 …
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 …
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…
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…
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…
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…
Hybag Automationen AG, founded in 1973 and headquartered in Linden (Bern), Switzerland, manufactures organic waste processing systems and automation e…
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…
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…
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…
Infrastructure Dynamics, based in Blacksburg, Virginia, engineers and manufactures modular wastewater treatment systems, packaged pump stations, and s…
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…
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…
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…
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 …
KEIKEN Engineering is a Spanish firm with offices in Alcobendas (Madrid) and Barberà del Vallès (Barcelona), holding ISO 9001:2015 certification throu…
KF Unternehmensgruppe GmbH (KF Group) is a Berlin-based environmental services conglomerate founded by the Kemmer and Fischer families, with origins t…
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…
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…
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…
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…
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…
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…
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…
MB Anlagentechnologie GmbH & Co. KG, based in Neumünster, Schleswig-Holstein, Germany, is an engineering and manufacturing firm specializing in comple…
MIXEL S.A.S. is a French industrial agitator manufacturer founded in 1969 and headquartered in Dardilly, France, now operating within the GMM Pfaudler…
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…
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…
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…
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…
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…
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…
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…
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…
PCM Europe SAS, headquartered in France with offices across Europe, Asia, and the Americas, is a positive displacement pump manufacturer with over 90 …
Founded in 1979 and headquartered in Redondela, Pontevedra (Spain), Peter Taboada S.L. is an ISO 9001:2015-certified manufacturer specializing in wate…
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…
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…
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…
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 …
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…
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…
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…
Reliant Water Technologies is a manufacturer and marketer of patented, specialized water and wastewater treatment products focused on sludge reduction…
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…
Roebic Laboratories, Inc., founded in 1959 and family-owned and operated in the USA for over 65 years, specializes in bacterial treatment products for…
RMU AG (Rudolf Messner Umwelttechnik), headquartered in Adelsdorf, Bavaria, Germany, is a family-owned manufacturer specializing in biological process…
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…
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. …
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…
SOLBIEN a.s., headquartered in Ostrava, Czech Republic, manufactures advanced aerobic fermentation and composting systems that convert biodegradable w…
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…
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…
Scheuch GmbH, founded in 1963 and headquartered in Aurolzmünster, Upper Austria, is a family-owned global leader in air pollution control and environm…
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…
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…
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…
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…
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…
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…
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…
Thermal Process Systems, headquartered at 627 East 110th Ave in Crown Point, Indiana, has spent roughly three decades developing proprietary biosolids…
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…
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 …
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…
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…
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 …
Typhoon Luchttechniek BV is a Dutch subsidiary of Typhoon NV (Belgium), bringing over 60 years of expertise in industrial air and process technology f…
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…
USP Technologies, headquartered in Glen Allen, Virginia with a Canadian office in London, Ontario, is a full-service chemical treatment provider for m…
UIT GmbH Dresden is a German engineering and plant construction firm specializing in industrial water and wastewater treatment, with over 35 years of …
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, …
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…
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 …
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…
Waterleau Group NV, headquartered in Belgium and part of the Machiels Group (founded 1941), is a global water technology company ranked among the top …
Weifang Subtor Rotating Precision Machinery Co., Ltd. is a German-invested enterprise based in Weifang, China, with over 20 years of experience applyi…
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…
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…
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…
econovation GmbH, headquartered in Ludwigsburg, Germany (contact: +49 7161 3628136), develops and manufactures the ecowirl® platform of patented vorte…
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…
oxytec AG, based in Zürich, Switzerland, manufactures UV-C disinfection, ozone oxidation, plasma air purification, and exhaust air treatment systems f…
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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