Treatment Plant Equipment

374Water Inc. (NASDAQ: SCWO), headquartered in Morrisville, North Carolina, is a cleantech company commercializing AirSCWO (Air Supercritical Water Ox…

3A Makina, established in 1985 and headquartered in the ITOSB industrial zone in Tuzla, Istanbul, Turkey, is a steel and stainless steel fabrication c…

3M, through its water filtration and separation division — now transitioning branding from legacy 3M and Cuno identities to the Aqua-Pure name — manuf…

A-T Controls, now operating under the Vytl Controls Group, manufactures manual and automated process valves with a product range spanning butterfly va…

Gopani Product Systems, operating as Gopani Filters, is an ISO 9001:2015 certified manufacturer and distributor of filtration, purification, adsorptio…

AAT Abwasser- und Abfalltechnik GmbH is an Austrian biogas and wastewater technology company based in Wolfurt that designs, manufactures, and commissi…

ABASCO LLC, founded in 1975 and now part of Atlas-SSI, designs and manufactures sediment and environmental spill containment products from a 30,000 sq…

ABS Materials, Inc. appears in industry line cards and trade listings as a water and wastewater equipment supplier. Company details are pending verifi…

ABS USA, headquartered in Meriden, Connecticut, is the North American subsidiary of ABS, a globally recognized wastewater equipment brand now operatin…

ACME srl, established in 1992 and headquartered in Santo Stefano Ticino near Milan, Italy, manufactures industrial pumping systems for twelve sectors …

ADA Carbon Solutions (ACS), now operating under parent company Arq, Inc. (formerly Advanced Emissions Solutions/ADES), is North America's only vertica…

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…

ADIEZA Global Technologies is an environmental technology company headquartered at 8240 NW 52nd Terrace in Doral, Florida, specializing in plasma-base…

AFFCO Flow Control, with over 60 years of trading experience, operates manufacturing and sales facilities across five locations on four continents—the…

AFL Industries, a division of RGF Environmental Group, manufactures industrial oil-water separation and spill containment equipment from RGF's headqua…

AGET Manufacturing Company, founded in 1938 in Adrian, Michigan, is a minority-owned (NMSDC-certified) manufacturer of industrial dust collection and …

AGROTEL GmbH, founded in 1987 and headquartered in Neuhaus am Inn, Germany, employs over 210 staff across 45,000 m² of production space, manufacturing…

AIK Technik AG is a Swiss plant engineering firm headquartered in Sursee that designs and builds turnkey facilities for residual waste treatment and r…

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…

AMCON Europe s.r.o., based in the Czech Republic, is the EMEA arm of Japan's AMCON Inc. and the global provider of the patented VOLUTE multi-disc scre…

AMMtech srl, founded in 2007 and based in Porcari (Lucca), Italy, manages the complete production cycle — from consulting and design through manufactu…

AN-Umwelttechnik GmbH is a German environmental engineering company based in Flachslanden that specializes in gas pressure boosting systems and integr…

ANDRITZ, headquartered in Graz, Austria, is a global technology group with over a century of experience in mechanical and thermal separation for envir…

ANKA Yenilenebilir Enerji is a biogas and landfill gas treatment specialist operating from Neuss, Germany and Istanbul, Turkey, with project experienc…

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…

APROVIS Energy Systems GmbH, based in Weidenbach, Germany, has operated for over 25 years specializing in gas treatment and exhaust gas systems for bi…

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…

AQ-Rent b.v., headquartered in Alkmaar, Netherlands, operates as the rental division of the KOKS Group, maintaining a fleet exceeding 300 machines for…

AQUABION GmbH, headquartered at Villa Hirschburg in Düsseldorf, Germany, was founded in 2003 by Marc A. Flettner—a descendant of prolific inventor Ant…

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…

AST — Soluções e Serviços de Ambiente Lda, founded in 2008 and based in Portugal, is a specialized manufacturer of membrane-based water and effluent t…

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…

ATEC Water Systems, LLC, operating as a Cadiz subsidiary from its Hollister, California manufacturing facility, has over 30 years of experience buildi…

ATEC Water Systems, LLC, operating as a Cadiz Solution, has designed and manufactured vertical filtration systems for contaminated groundwater treatme…

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, legally Anthratech Western Inc., is a filter optimization company specializing in granular media filtration and underdrain systems for water and …

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…

AbTech Industries, operating under parent Douglas & Yates, Inc., is a Scottsdale, Arizona-based manufacturer of proprietary advanced water filtration …

Abanaki Corporation, headquartered in Chagrin Falls, Ohio, is an ISO 9001:2015 certified manufacturer specializing in industrial oil skimming and cool…

Acme Engineering Products Ltd., founded in 1956 and headquartered in Montreal, Canada, is an integrated manufacturer of custom-engineered industrial e…

aquen aqua-engineering GmbH is a German technology company based in Clausthal-Zellerfeld that develops and manufactures proprietary equipment for sewa…

Acrison Inc., headquartered in Moonachie, New Jersey, has manufactured dry solids metering and handling equipment for over 50 years, serving food proc…

Action Carbon Ltd appears in industry line cards and trade listings as a water and wastewater equipment supplier. Company details are pending verifica…

Acuva Technologies, founded in 2014 in Burnaby, British Columbia, Canada, developed UV-LED water disinfection systems using mercury-free semiconductor…

ChartWater, LLC is a water treatment technology company formed from the merger of AdEdge Water Technologies and BlueInGreen, operating as a wholly own…

Adapco Environmental Solutions (AES) was a division of ADAPCO Inc. specializing in municipal odor control for water and wastewater systems, headquarte…

Addfield Environmental Systems Ltd is a UK-based incineration equipment manufacturer with over 40 years of experience, headquartered in Burntwood Busi…

Addie Water Systems is a family-owned water treatment equipment manufacturer and distributor based in Janesville, Wisconsin, founded in 1978 by Terry …

Advance Tank and Construction (ATC) is a tank manufacturer and industrial contractor founded in 1968 (originally as Prairie Tank and Construction) wit…

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…

Advanced Treatment Technologies (ATT), headquartered in Texas and privately held, designs, fabricates, and commissions electrochemical water treatment…

Adwest Technologies, founded in 1988 in Fullerton, California (now part of CECO Environmental since 2012), is a global manufacturer of thermal and cat…

Adwest-SATTi is the Shanghai, China-based regional office of Adwest Technologies (now part of CECO Environmental), serving as the Asia-Pacific sales, …

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…

Aggregate Technology Inc, operating since 2003, is a Canadian manufacturer and supplier of dewatering, washing, and material recovery equipment for ag…

Agraferm GmbH, based in Pfaffenhofen an der Ilm, Germany, is a turnkey provider of anaerobic digestion plants for biogas, biomethane (renewable natura…

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…

Airgas, Inc., an Air Liquide company since 2016, operates as the largest U.S. distributor of industrial, medical, and specialty gases with approximate…

Airmaster Aerator, LLC manufactures high-efficiency aeration systems for industrial and municipal wastewater treatment. Their flagship product, the Ai…

ALAR Engineering Corporation, operating under Ovivo USA LLC, has designed and manufactured industrial wastewater treatment systems since 1970 from its…

Albax, Inc. is an industrial filtration products manufacturer based in Elmhurst, Illinois, specializing in filter press cloths, filter press accessori…

Alfa Laval, founded in 1883 and headquartered in Lund, Sweden, is a global industrial manufacturing company with over 140 years of innovation tracing …

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 American Water Conditioning, Inc. operates from Atlantic Beach, Florida as Jacksonville's authorized Hague Quality Water dealer, bringing over 50 …

All Inclusive Water and Wastewater Solutions, Inc. is an engineering and contracting firm headquartered in Auburn, California, staffed with registered…

All Service Contracting Corp. is a Women's Business Enterprise (WBE) certified contractor operating out of Decatur, Illinois, that has served the wate…

AllChem Performance Products, a division of AllChem Industries, Inc. (also known as Industrial Chemicals Group, Inc.), has operated from Gainesville, …

Allegro Capital, Logistics, Services & More GmbH, founded in 2017 and based in Mönchengladbach, Germany, manufactures hazardous substance spill contai…

Allied Industrial Dynamics (AID), operating since 1976 from headquarters in Calgary, Alberta with an additional office in Houston, Texas, delivers tur…

Allonnia is a Boston, Massachusetts-based bio-ingenuity company that develops and deploys biological solutions for persistent environmental contaminan…

Alpine Coolers, operating under International Business Development, Inc., has been providing bottleless drinking water systems and filtration equipmen…

Alpine Technical Services (ATS), founded in 1979 and headquartered in Midvale, Utah, operates its water and wastewater treatment division under the AT…

Alpine Technology is a manufacturer representative and distributor based in the United States that specializes in emission control and energy recovery…

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…

Amandus Kahl GmbH & Co. KG, headquartered in Reinbek near Hamburg, Germany, has been a leading mechanical engineering firm for approximately 150 years…

Amazon Filters GmbH is the German subsidiary of UK-based Amazon Filters Ltd, established in 1998 near Frankfurt to serve the DACH region with local sa…

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 Industrial Heat Transfer, Inc. (AIHTI) manufactures heat exchangers from a 220,000-square-foot production facility in LaCrosse, Virginia, loc…

American Manufacturing Company, Inc., based in Elkwood, Virginia, has specialized in onsite wastewater and water treatment systems for over 30 years. …

American Structures, Inc., founded in 1975 by Earl W. Wildenberg, designs and manufactures bolted stainless steel storage tanks for municipal, agricul…

American Ultraviolet Company, founded in 1960 and headquartered in Lebanon, Indiana, manufactures UV-C germicidal disinfection equipment entirely in t…

Ameridia, established in 1999 as the North and South American branch of Eurodia Industrie, operates from Somerset, New Jersey, representing the French…

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…

Amiad Water Systems is a publicly traded Israeli company and global leader in automatic water filtration, with over 60 years of experience serving irr…

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…

ANDRITZ Separation, headquartered in Austria as part of the ANDRITZ Group with global operations including U.S. facilities, provides what it character…

Anguil Environmental Systems, Inc., headquartered in Milwaukee, Wisconsin with additional offices in Asia, Europe, and India, designs and manufactures…

Anhui Changzhong Brush Co., Ltd., founded in 2007 and based in Qianshan County, Anhui Province, China, is a manufacturer of industrial brushes and cle…

Anhui Fangxing Industrial Co., Ltd., operating as GVP Valve, is a Chinese manufacturer of high-end water supply valves founded in 2001 and recognized …

Anhydro, a brand of SPX FLOW headquartered in Søborg, Denmark, has developed evaporation and spray drying systems for over 75 years. The company desig…

Anseros Klaus Nonnenmacher GmbH, founded in 1979 and headquartered in Tübingen, Germany, is a family-owned manufacturer specializing exclusively in oz…

Anthrafilter (U.S.) Inc., operating as Anthrafilter Media and Coal Ltd. and based in Niagara Falls, New York, has supplied and installed filter media …

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 …

Apex Engineering Products Corporation is a fourth-generation, family-owned manufacturer based in Aurora, Illinois specializing in biodegradable specia…

Applied Biochemists, operating as a Lonza business, has formulated and manufactured aquatic water treatment chemistry since 1965. The company offers f…

Applied Cartridge Systems (ACS), an ENPRESS Group Company based in Eastlake, Ohio, manufactures cartridge-based arsenic removal and water filtration s…

Applied Catalysts is a family-owned, ISO 9001 certified catalyst manufacturing and technology company operating an R&D center and laboratory in Lauren…

ACAT (Applied Chemicals International Group), headquartered in Basel, Switzerland, operates three divisions serving the water treatment, paper, and sp…

Applied Engineering Technologies (AET), based in Ann Arbor, Michigan, developed the Treatment Shaft — a patented underground vertical wastewater treat…

Applied Fabric Technologies Inc. (AFTI) was founded in 1988 by Peter Lane in Orchard Park, New York, originating from the Specialty Products Division …

Applied Mechanical Technology LLC, based in Momence, Illinois, designs and builds heavy-duty industrial wastewater treatment systems and tank and rail…

Applied Membranes, Inc. (AMI), founded in 1983 and headquartered in Vista, California, is a vertically integrated manufacturer and distributor of wate…

Applied Polymer Systems, Inc. (APS) is a multi-generation family-owned company that has manufactured anionic polyacrylamide (APAM) flocculant products…

Aqseptence Group is a global manufacturer of filtration, separation, and water technology solutions operating through five established brands — Diemme…

Aqseptence Group is a global manufacturer of filtration, separation, and water technology systems headquartered in Aarbergen, Germany, with approximat…

AcuFlow (formerly AquFlow, originally HydroFlo) has manufactured hydraulically actuated diaphragm metering pumps and chemical dosing systems in Irvine…

Aqua Azul Corporation, based in California with water treatment expertise dating to the late 1960s origins of UV purification, manufactures over 155 m…

Aqua Evolution Systems GmbH, operating under the brand DERBLAUE, is a Bavarian company based in Sulzberg, Germany, that designs and manufactures flexi…

AquaGenesis Technologies, operating under the QuantumBlue brand, manufactures non-toxic, biodegradable, professional-grade pool and spa cleaning solut…

Aqua Industrial Water Treatment B.V., now operating under the registered name Marel Water Treatment B.V. and trading as MPS Aqua, is a Dutch engineeri…

Aqua Pump Company, established in 1973 and family-owned since the 1940s across four generations, is a water well services and water filtration company…

Aqua Science, headquartered at 1877 East 17th Avenue in Columbus, Ohio (phone 614-252-5000), provides industrial and commercial water treatment equipm…

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…

Aqua-Pipe is a structural cured-in-place pipe (CIPP) liner manufactured by Sanexen Environmental Services Inc. of Varennes, Quebec, Canada, designed s…

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…

AquaPhoenix Scientific Inc., headquartered in Hanover, Pennsylvania at 860 Gitts Run Road, is a manufacturer and distributor of water quality testing …

AquaPyr LLC, headquartered at 502 W. Montgomery #221 in Willis, Texas, manufactures the ULWF (Ultra Low Waste Filter), a self-cleaning filtration plat…

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…

AQUACHEM GmbH Separationstechnik is a German filter press manufacturer founded in 1996 by James Babbé in Senden, Bavaria, with origins dating to 1991 …

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…

Aquagga, based in Tacoma, Washington, develops and manufactures industrial PFAS destruction systems using its proprietary HALT (Hydrothermal Alkaline …

Aqualitec, based in Los Angeles, California, designs and manufactures screening, sludge handling, and dissolved air flotation equipment for municipal …

Aqualitec Corp. is a Los Angeles, California-based manufacturer of wastewater headworks screening equipment, sludge dewatering and thickening systems,…

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…

Aquashield Inc appears in industry line cards and trade listings as a water and wastewater equipment supplier. Company details are pending verificatio…

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…

AqueoUS Vets (AV) is a water treatment systems manufacturer founded in 2015 and backed by Bain Capital Double Impact, focused on removing PFAS and oth…

Aqueous Recovery Resources (ARR) is a Bedford Hills, New York-based manufacturer of mechanical oil-water separation systems, operating under the Supar…

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…

Argonide Corporation, founded in 1994 by Fred Tepper and headquartered in Sanford, Florida, develops and manufactures nanofiber-based water filtration…

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…

Aries Clean Technologies (formerly Aries Clean Energy and originally PHG Energy), headquartered in Franklin, Tennessee, designs, builds, owns, and ope…

Aries Clean Technologies, headquartered in Franklin, Tennessee, develops and operates proprietary fluidized bed gasification systems that transform wa…

Ark Electric & Mechanical Co., Ltd., operating under the NEWDOSE brand, is a Chinese manufacturer founded in 2001 and headquartered in Beijing, specia…

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…

Armorcast Products Company, founded in 1966 and headquartered in Chatsworth, California, manufactures polymer concrete, fiberglass reinforced plastic …

Armstrong Fluid Technology is a global manufacturer of HVAC fluid-flow equipment and intelligent pumping systems, founded in 1934 by Samuel Allan Arms…

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 …

Ashcroft Inc., founded in 1852 and headquartered at 250 East Main Street in Stratford, Connecticut, is one of the world's oldest and most recognized m…

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…

Aspire Products appears in industry line cards and trade listings as a water and wastewater equipment supplier. Company details are pending verificati…

Assmann Corporation of America manufactures rotationally molded polyethylene tanks and accessories from facilities in Garrett, Indiana and Marshall, T…

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 Screen & Mfg. appears in industry line cards and trade listings as a water and wastewater equipment supplier. Company details are pending ver…

Atlantic Ultraviolet Corporation, based on Long Island, New York, specializes in germicidal UV-C disinfection equipment for water, air, and surface ap…

Atlantis Water Management is the North American commercial arm of Atlantis Corporation International, an Australian company founded in 1986 by landsca…

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…

Atlas Polar Company Limited is a Canadian manufacturer with over 150 years of corporate history, operating its Trash Rake/Waterway Division with more …

ATS Duct Inc. is a Richmond, California manufacturer of fiberglass reinforced plastic (FRP) ductwork and exhaust systems, operating from an 80,000 sq …

August Storm GmbH and Co. KG, headquartered in Spelle, Germany, is one of Europe's largest OEM-independent service providers for combustion engines in…

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…

Automated Pure Water (APW) is a manufacturer of residential and light commercial water treatment components, originally founded by Jerry Bechtold and …

Avery Filter Company, founded in the early 1960s and based in Westwood, New Jersey, is a specialized manufacturer and rebuilder of pressure filtration…

Avon Engineered Fabrications (AEF), founded in 1986 in Picayune, Mississippi, manufactures elastomeric coated fabric products for military and industr…

AxNano is a North Carolina-based environmental technology company that designs and manufactures scalable PFAS destruction and capture equipment using …

Axine Water Technologies, headquartered in Vancouver, British Columbia, develops and deploys electrochemical oxidation systems for destroying persiste…

B&C Electronics Srl, established in 1974 in Carnate near Milan, Italy, is an ISO 9001:2015 certified manufacturer with over 50 years of expertise in l…

BAMO IER GmbH, based in Mannheim, Germany, develops and manufactures measurement technology for level, turbidity, and analytical monitoring in liquids…

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…

BCR Environmental Corporation develops and markets patented biosolids treatment and organic waste management technologies deployed across North Americ…

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…

BEULCO GmbH & Co. KG is a family-owned manufacturer based in Attendorn, Germany, with over 75 years of experience and approximately 200 employees. Ori…

BIBKO Recycling Technologies GmbH, established in 1985 as B.I.B. GmbH and headquartered in Beilstein, Germany, designs and manufactures wet-mechanical…

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…

BIRCO GmbH, based in Bühl in Germany's Black Forest region, has grown from a drainage channel manufacturer into a comprehensive water cycle management…

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…

BORSIG Membrane Technology GmbH (BMT) develops sustainable process and membrane technologies for industrial applications, serving the petrochemical in…

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…

BWT (Best Water Technology), founded in 1990 and headquartered in Mondsee, Austria, is Europe's leading water technology company with approximately 6,…

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…

Baur Folien GmbH is a family-owned membrane and foil technology company based in Wolfertschwenden, Unterallgaeu, Bavaria, Germany. Founded in 1991 as …

BCR Environmental, operating under the BCR Solid Solutions brand, is a biosolids and organic waste management technology company headquartered in the …

Beacon Water Technologies (Beacon H2O), operating out of Charleston, South Carolina since 2008, designs and manufactures the GDisk pile cloth disk fil…

Beacon Water Technologies (Beaconh2O) is a Charleston, South Carolina manufacturer of pile cloth disk filtration systems for water and wastewater trea…

Bear River Zeolite (BRZ) mines and processes clinoptilolite zeolite from its own deposit in Preston, Idaho, selling directly under the BRZ trademark i…

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…

Benli Geri Dönüşüm Makina Sanayi ve Ticaret A.Ş. is a Turkish manufacturer of turnkey waste sorting plants and recycling machinery, operating since 19…

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…

BioG GmbH, based in Utzenaich, Austria, specializes in technology and equipment for biogas plants that convert agricultural residues — including straw…

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…

Blacoh Industries, founded in 1976 and headquartered in Riverside, California, is a US manufacturer of engineered fluid control products for municipal…

Blue Foot Membranes NV is a Belgian membrane technology company headquartered in Lommel that designs and manufactures flat-sheet membrane bioreactor m…

Blue Planet Environmental Systems, founded in 1997 and based in Palm Bay, Florida, is a distributor and packager specializing in chemical feed and gas…

Blue-White Industries, founded in 1957 and ISO 9001:2015 certified, manufactures chemical metering pumps, flow meters, and engineered chemical feed sy…

Börger GmbH, based in Borken-Weseke, Germany, manufactures rotary lobe pumps, comminution equipment, separation systems, stainless steel tanks, and ag…

Boerger GmbH, headquartered in Borken-Weseke, Germany, is a manufacturer of rotary lobe pumps, macerating equipment, separation technology, and proces…

Bohn Biofilter Corp., founded in 1986 and based in Tucson, Arizona, manufactures natural biofiltration systems for odor and emission control at wastew…

Boll & Kirch Filterbau GmbH, operating as BOLLFILTER, is a globally active filtration specialist headquartered in Kerpen, Germany, with over 75 years …

Boll & Kirch Filterbau GmbH, operating under the BOLLFILTER brand, is a filtration systems manufacturer headquartered in Kerpen, Germany with more tha…

Boller GmbH & Co. KG, headquartered in Neunkirchen (Siegerland), Germany, traces its roots to the 2003 acquisition of Diehl Umwelttechnik, a firm orig…

Bray International, founded in 1986, is a global flow control solutions manufacturer operating across more than 40 countries in North America, Latin A…

Brenntag is the world's largest distributor of chemicals and ingredients, operating across more than 600 locations globally, with a dedicated water tr…

Brentwood Industries, founded in 1965, is a thermoforming and injection molding manufacturer that produces engineered plastics for water and wastewate…

Bucher Unipektin AG, headquartered in Niederweningen, Switzerland, is an industrial machinery manufacturer and part of the Bucher Industries group, se…

Buss-SMS-Canzler GmbH, based in Butzbach, Germany, is a specialist manufacturer of thermal separation and processing equipment for highly viscous and …

Börger GmbH is a family-owned rotary lobe pump manufacturer headquartered in Borken-Weseke, North Rhine-Westphalia, Germany, employing over 440 people…

C-deg environmental engineering GmbH, headquartered in Melsdorf near Kiel, Germany, with a Colombian subsidiary (C-deg S.A.S. E.S.P.), operates under …

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…

Cambi ASA is a Norwegian public company and the world leader in thermal hydrolysis process (THP) technology for sewage sludge and organic waste treatm…

CAPE HydroTek, based in Norcross, Georgia, is the North American distributor for MolAquaTech's European catalytic water treatment technology, bringing…

CB&I, owned by a consortium of financial investors led by Mason Capital Management, is a global provider of integrated storage and asset-management so…

CCI BioEnergy, founded in 1992 and based in Oakville, Ontario, Canada, is an organics processing company that designs, builds, operates, owns, and fin…

CECO Environmental Corp. (NASDAQ: CECO) is a diversified environmental technology provider employing over 1,600 professionals across 25-plus facilitie…

CERAFILTEC Germany GmbH, headquartered in Saarbrucken, is a ceramic ultrafiltration membrane technology company that has delivered over 156 projects a…

As a subsidiary of Minerals Technologies Inc. based in Bethlehem, Pennsylvania, CETCO produces geosynthetic clay liners, water remediation technologie…

Charlatte Réservoirs, a subsidiary of the Fayat Group operating within its Fayat Chaudronnerie division, is a French manufacturer of hydropneumatic pr…

CHEMRA GmbH, established in 2010 and headquartered in Trier, Germany, is an independent chemical company specializing in the development, improvement,…

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…

CREW Carbon is a Brooklyn, New York-based climate technology and process intensification company that provides calcium carbonate dosing systems for wa…

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 …

Calgon Carbon Corporation, a Kuraray Group subsidiary headquartered in the United States, is the world's largest manufacturer of granular activated ca…

Camfil, founded in 1963 and headquartered in Trosa, Sweden, is a global air filtration manufacturer operating more than 30 production facilities and s…

CarboTech AC GmbH, based in Essen, Germany's Ruhr region, is one of the world's leading full-service providers of powdered, granulated, and extruded a…

Carbon Activated Corporation, headquartered in Compton, California with over 50 years of industry experience, is one of the world's largest activated …

Carbon Tech Material (Shanxi) Co., Ltd., operating under the brand TKXC (炭科新材), is an activated carbon manufacturer and solution provider founded in 2…

Carrier Europe, based in Nivelles, Belgium, is the European subsidiary of Carrier Vibrating Equipment Company and a manufacturer of custom-engineered …

Castflow Valves SL is a Spanish engineering and manufacturing company based in Humanes, Madrid, that focuses exclusively on check valve design and pro…

Caterpillar Electric Power, a division of Caterpillar Inc. based in Peoria, Illinois, manufactures diesel and natural gas generator sets for standby, …

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…

Charter Machine Company, operating through its ELODE USA division, is a U.S. manufacturer of biosolids dewatering and drying equipment headquartered i…

Measurit Technologies Ltd, trading as Check-Flex, is an Ireland-based manufacturer of rubber check valves serving the UK and Irish markets for stormwa…

Chemco Systems, L.P., founded in 1980 and headquartered at 1500 Industrial Drive in Monongahela, Pennsylvania, designs and manufactures bulk chemical …

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 …

Christ Water Technology Group, headquartered in Mondsee, Austria (holding) with operational base Christ AG in Memmingen, Germany, manufactures water t…

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…

Claro Environmental Technologies, headquartered in the Montreal area of Quebec, is an original equipment manufacturer, distributor, and systems design…

Claros Technologies, headquartered in Minneapolis, Minnesota and co-founded by CEO Michelle Bellanca, is a PFAS-focused environmental technology compa…

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, based in Arden Hills, Minnesota, is the North American distribution and support arm for Lackeby, a Swedish wastewater equipm…

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…

Clear Creek Systems is a field services and water treatment solutions provider with over 30 years of experience designing, building, installing, and o…

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…

Colubris Cleantech B.V., formerly known as Redox, is a Dutch manufacturer headquartered in the Netherlands with over 40 years of experience in separat…

Continental Carbon Group (CCG) is a Canadian turnkey environmental solutions provider specializing in air, water, and wastewater treatment systems. Ba…

Cornelsen Umwelttechnologie GmbH, headquartered in Essen, Germany, is an environmental technology company with over 20 years of experience specializin…

Coskun Arıtma A.Ş. is a Turkish environmental technology company founded in 2005 and headquartered in Dilovası, Kocaeli. The company designs, manufact…

Cyclize GmbH, founded in 2023 and headquartered at Julius-Hölder Straße 14 in Stuttgart, is a climate technology startup developing non-thermal plasma…

D.C. Industrie Elektronik GmbH, founded in 1993 and based in Lübeck, Germany, develops and manufactures electronic pump control systems and level inst…

DAQUA (formerly MMC) is a French manufacturer based in Les Sorinières, Loire-Atlantique, with over 30 years of experience in water filtration, treatme…

DDI Heat Exchangers Inc., founded in 1980 and headquartered in Dollard-Des Ormeaux, Quebec, Canada, designs and manufactures patented rectangular-chan…

DEBEM Srl is a family-owned Italian pump manufacturer founded in 1982 and headquartered in Busto Arsizio, Varese. With over four decades of experience…

DEL Corporation, doing business as DEL Tank and Filtration Systems, is a Scott, Louisiana-based manufacturer that has designed and built dewatering, s…

This entry contains a YouTube video URL rather than a company website. The video title references DEMON sidestream deammonification, which is a well-k…

Meunier Technologies Inc., headquartered in Quebec, Canada, manufactures the DICE (Dosing Innovation Compact Equipment) chemical dosing system—a propr…

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 …

DISAN Hidrolik Makina is a Turkish manufacturer of waste sorting equipment and turnkey recycling plants, founded in 1992 and headquartered in Eskişehi…

DN LLC (formerly DN Tanks) is a designer and constructor of prestressed concrete liquid storage tanks, founded in 1929 with nearly a century of experi…

DOGUS VANA (DVD Valves), founded in 1988 and headquartered in Izmir, Turkey, operates a 20,000 square meter manufacturing facility producing approxima…

Drycake BV, based in South Carolina, USA, develops and manufactures the Twister vertical dry depackaging and separation system alongside complementary…

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…

Danfoss is a family-owned diversified industrial manufacturer founded in 1933 that supplies high-pressure pumps, energy recovery devices, variable fre…

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…

Aquasentry, a division of the Darcy Group, is a UK-based manufacturer of liquid monitoring, detection, and pollution prevention systems focused on com…

Datong Guiyi Carbon Corporation Co., Ltd. operates a coal-based activated carbon plant in Datong, Shanxi Province, at the center of China's coal count…

Datong Heneng Activated Carbon Co., Ltd. (HNAC) operates as a coal-based activated carbon manufacturer in Datong City, Shanxi Province, China — the ce…

Datong Jinsheng Haoda Coal Industry Co., Ltd. is an integrated activated carbon manufacturer based in Beicun Village, Datong City, Shanxi Province, Ch…

Datong Zhongxin Dingsheng Activated Carbon Co., Ltd. manufactures activated carbon in Kouquan Town in the Yungang District of Datong, Shanxi Province,…

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…

Dehoust GmbH, headquartered in Leimen, Germany, with production and branch offices in Nienburg, Heidenau, and Eitorf, has operated since 1958—nearly 7…

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…

Diamond Fiberglass Systems and Services, an Andronaco Industries company based in Victoria, Texas, has four decades of experience designing and fabric…

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…

Dieffenbacher Energy GmbH, based in Bludenz, Austria, is a manufacturer of power plant systems and industrial energy recovery solutions operating as a…