Filtration
Media and membrane barriers for turbidity and pathogen removal — sand filters, membrane systems, and activated carbon adsorption.
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Manufacturers
3M, through its water filtration and separation division — now transitioning branding from legacy 3M and Cuno identities to the Aqua-Pure name — manuf…
Gopani Product Systems, operating as Gopani Filters, is an ISO 9001:2015 certified manufacturer and distributor of filtration, purification, adsorptio…
ABS Materials, Inc. appears in industry line cards and trade listings as a water and wastewater equipment supplier. Company details are pending verifi…
ADA Carbon Solutions (ACS), now operating under parent company Arq, Inc. (formerly Advanced Emissions Solutions/ADES), is North America's only vertica…
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…
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…
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…
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…
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…
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 …
Action Carbon Ltd appears in industry line cards and trade listings as a water and wastewater equipment supplier. Company details are pending verifica…
ChartWater, LLC is a water treatment technology company formed from the merger of AdEdge Water Technologies and BlueInGreen, operating as a wholly own…
Addie Water Systems is a family-owned water treatment equipment manufacturer and distributor based in Janesville, Wisconsin, founded in 1978 by Terry …
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…
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…
Allegro Capital, Logistics, Services & More GmbH, founded in 2017 and based in Mönchengladbach, Germany, manufactures hazardous substance spill contai…
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…
Alumichem is a Nordic specialty chemical manufacturer headquartered in Denmark with over 40 years of industry experience, operating from ISO 9001 and …
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…
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…
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 …
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…
Applied Membranes, Inc. (AMI), founded in 1983 and headquartered in Vista, California, is a vertically integrated manufacturer and distributor of wate…
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 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-Chem, Inc. appears in industry line cards and trade listings as a water and wastewater equipment supplier. Company details are pending verificati…
AquaOx Inc. is a service-disabled veteran-owned small business based in South Carolina that manufactures whole-house residential water filtration syst…
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…
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…
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…
Founded in 1956 in North Tonawanda, New York, Ascension Industries is a custom fabrication manufacturer and steward of the Durco Filters brand, which …
Atlantic Filter Corporation (AFC) is a family-owned water treatment company headquartered in West Palm Beach, Florida, that has served residential, co…
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…
BORSIG Membrane Technology GmbH (BMT) develops sustainable process and membrane technologies for industrial applications, serving the petrochemical in…
BWS Anlagenbau & Service GmbH, headquartered in Oberndorf am Neckar, Germany, brings over 50 years of experience and more than 200 commissioned plants…
Headquartered in Reichshof, Germany, H2O — The Water Company (Bader H2O) manufactures ceramic membrane filtration, ozone generation, and nanobubble te…
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…
BioTriad Environmental, based in Stroudsburg, Pennsylvania, operates as a turnkey environmental solutions provider across five divisions addressing ai…
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 …
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…
Birchtech Corp (NYSE American: BCHT), formerly ME2C Environmental, is a publicly traded environmental technology company positioning itself as America…
Blue Foot Membranes NV is a Belgian membrane technology company headquartered in Lommel that designs and manufactures flat-sheet membrane bioreactor m…
Boll & Kirch Filterbau GmbH, operating as BOLLFILTER, is a globally active filtration specialist headquartered in Kerpen, Germany, with over 75 years …
Brenntag is the world's largest distributor of chemicals and ingredients, operating across more than 600 locations globally, with a dedicated water tr…
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 …
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…
CHEMRA GmbH, established in 2010 and headquartered in Trier, Germany, is an independent chemical company specializing in the development, improvement,…
CLEARSTREAM WATER TREATMENT GmbH, based in Florsheim-Dalsheim, Germany, and operating under the ROWE Holding group, develops modular fourth purificati…
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…
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…
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…
Chemco Systems, L.P., founded in 1980 and headquartered at 1500 Industrial Drive in Monongahela, Pennsylvania, designs and manufactures bulk chemical …
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-…
CiX Greentech is a German technology startup based in Erlangen, Bavaria, spun out of FAU Erlangen-Nürnberg's nanotechnology and materials science prog…
Clean Water Technology, Inc. (CWT), headquartered in Gardena, California, is a global manufacturer and installer of industrial wastewater treatment sy…
Cleanwater1 is a US-based manufacturer and integrator that delivers an end-to-end water and wastewater treatment equipment portfolio through seven acq…
Cloacina LLC, headquartered in Arroyo Grande, California, manufactures stainless steel package wastewater treatment plants and is owned and operated b…
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…
DAQUA (formerly MMC) is a French manufacturer based in Les Sorinières, Loire-Atlantique, with over 30 years of experience in water filtration, treatme…
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,…
DeFraWater GmbH, based in Seevetal-Hittfeld, Germany, has spent over 25 years engineering membrane-based water treatment systems for marine, industria…
Dorstener Wire Tech (DWT), headquartered in Spring, Texas, is the North American filtration arm of the Germany-based Dorstener Drahtwerke Group with m…
Dow Water Solutions, now part of DuPont Water Solutions following the 2019 Dow-DuPont merger, manufactures the FILMTEC line of reverse osmosis and nan…
DuPont Water Solutions, a business unit of DuPont de Nemours, delivers one of the industry's broadest water treatment portfolios spanning membrane sep…
ECO-H2O SAS is a French manufacturer of eco-designed residential and light commercial water treatment systems, founded in 2004 and based in Saze, near…
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…
Eliquo Malmberg Water, based in Åhus, Sweden, is the country’s leading contractor for process and machine design in drinking water and wastewater trea…
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…
Cempuro, operated by EMI sp. z o.o. from Poland, manufactures ceramic ultrafiltration systems that recover potable water from filter backwash streams …
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…
ENVITES spol. s r.o. is a Czech manufacturing company based in Brno that has designed and produced water and sludge management equipment since 1990. W…
ETL Verfahrenstechnik GmbH, based in Peiting in southern Germany, has spent over 35 years engineering sample preparation and filtration systems that c…
Eurosan Su Arıtma ve Çevre Teknolojileri, established in 1994 and headquartered in Ataşehir, Istanbul, operates under its registered EuroTechwater® (E…
EXUS SRL is an Italian engineering and manufacturing company based in Montelupo Fiorentino that designs, builds, and installs air purification and fum…
Ecofilter Tek, based in Sherbrooke, Quebec, Canada (Pavilion 1, 3000 boul. de l'Université, J1K 0A5), develops proprietary Charge-Switching Technology…
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…
Ekoling d.o.o., headquartered in Hrušica, Slovenia, manufactures water and wastewater treatment products as a member of the Roto Group, which operates…
Entex Technologies, Inc. is a Chapel Hill, North Carolina-based manufacturer of advanced biological wastewater treatment systems, holding U.S. patents…
EnviroChemie is a German engineering firm with over 45 years of experience designing, building, and operating industrial water and wastewater treatmen…
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…
Euraqua UK operates from a purpose-built factory and testing facility in Hitchin, Hertfordshire, serving as the United Kingdom's leading importer, dis…
Evodrop AG is a Swiss water treatment technology company based near Zurich that holds roughly 25 patents across six patent families, positioning itsel…
Evoqua Water Technologies, now part of Xylem following a 2023 acquisition, delivers water and wastewater treatment solutions across disinfection, filt…
FIDCHEM develops plasma-based and sorptive water purification technologies targeting persistent contaminants that conventional treatment cannot addres…
FIRMUS France, headquartered in Clermont l'Hérault in France's Languedoc-Roussillon region, brings over 30 years of expertise in membrane separation t…
FORMECO S.R.L., founded in 1971 in Noventa Padovana, Italy by Adriano Nicolè and Ruggero Broglio and now led by Elena Nicolè, manufactures industrial …
FTRJ GmbH, operating under the Andreas Junghans Filtration Technology® brand, is a German engineering firm specializing in the development, production…
Federal Screen Products, based in Mississauga, Ontario, is North America’s leading custom manufacturer of wedge wire screen products, holding NSF-61 c…
Fibracast Ltd is a Canadian ultrafiltration membrane bioreactor (MBR) specialist manufacturing the FibrePlate Fusion membrane, a hybrid design that me…
Five Star Filtration, based in Conroe, Texas, manufactures continuous-operation water filtration systems for municipal and industrial water treatment,…
FloWise Engineered is a pump and water treatment equipment manufacturer based in Fort Worth, Texas, marketing exclusively to professional pump install…
Flocell appears in industry line cards and trade listings as a water and wastewater equipment supplier. Company details are pending verification — if …
G. BOPP + Co. AG, established in 1881 and headquartered in Zürich, Switzerland, is a global leader in precision woven wire mesh manufacturing with its…
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…
GEH Wasserchemie GmbH & Co. KG, based in the Osnabrück region of Germany, has specialized in water treatment adsorption technology since 1997. The com…
GKD Gebr. Kufferath AG, founded in 1925 by Josef Kufferath in Düren, Germany, is a fourth-generation family-owned technology leader in technical woven…
General Carbon Corporation, based in Paterson, New Jersey, has supplied activated carbon products and adsorption systems for over 60 years to municipa…
Gradiant is a global water treatment solutions provider that originated as an MIT spinout and now operates across semiconductor manufacturing, pharmac…
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…
Hebei Slot Filter Technology Co., Ltd. operates under the Johnsonslot brand from Anping County, Hebei Province, China, manufacturing stainless steel w…
Heron Innovators, established in 1998 and based in California's Central Valley, is the manufacturer of Suspended Air Flotation (SAF) technology—a prop…
Hidrofilt Vizkezelest Tervezo es Kivitelezo Kft., founded in 1990 and based in Nagykanizsa, Hungary, is a vertically integrated water treatment manufa…
Huaze (Ningxia) Carseritech Carbon Co., Ltd., which also trades as Huaze Yitong (Ningxia) Technology Co., Ltd., has manufactured activated carbon for …
Founded in 1909 and headquartered in Clayton, New Jersey, Hungerford & Terry is an employee-owned manufacturer of municipal and industrial water treat…
Hydranautics, part of the Nitto Group since 1987, has operated out of Oceanside, California since its founding in 1963 and entered the reverse osmosis…
Hydro International is a water and wastewater treatment equipment manufacturer founded around 1980, headquartered in Clevedon, UK with significant ope…
Hydronix Water Technology, based in Ontario, California, is a manufacturer and wholesale distributor of water filtration, purification, and separation…
Hyera Inc. is a U.S.-based manufacturer of sustainable activated carbon, producing granular activated carbon (GAC) and powdered activated carbon (PAC)…
IDE Technologies, founded in 1965 and headquartered in Kadima, Israel, is a global leader in water desalination and advanced treatment solutions with …
IN-EKO TEAM s.r.o. is a Czech manufacturer founded in 1995 and based in Tišnov, South Moravia, with over 80 employees and ISO 9001 and ISO 14001 certi…
Innovatreat (legal entity: Innovative Treatment Products, Inc.) is an Owings Mills, Maryland-based manufacturer of advanced decentralized wastewater t…
Interra Global, operating since 2008 from northern Illinois, is a bulk industrial adsorbent supplier positioning itself as the world's leading provide…
Inwoo Corporation is a Seoul-headquartered Korean manufacturer operating through two complementary divisions: Chemical Solution and Eco Solution. The …
Ironclad Environmental Solutions is a national industrial equipment rental company providing tanks, pumps, filtration systems, and roll-off containers…
Jacobi Carbons, a wholly owned subsidiary of Osaka Gas Chemicals Co., Ltd. (acquired in 2014), is the world's largest manufacturer of coconut shell-ba…
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…
KMU LOFT Cleanwater SE, based in Kirchentellinsfurt, Germany with an office in Lörrach, has delivered over 2,800 vacuum evaporation systems across 60 …
Kurita America, headquartered at 6600 94th Avenue North in Minneapolis, Minnesota, is the United States operating subsidiary of Kurita Water Industrie…
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…
Headquartered in Eresing, Germany and operating for over four decades under Managing Director Georg Klass junior, Klass Filter GmbH engineers continuo…
Kovalus Separation Solutions delivers liquid-solid separation technologies across twelve market sectors including water and wastewater, dairy, food an…
Krofta, part of the Waterleau Group, has manufactured Dissolved Air Flotation (DAF) systems since 1947, with Dr. Milos Krofta pioneering the technolog…
Kruger, the North American arm of Veolia Water Technologies, provides a comprehensive portfolio of proprietary water and wastewater treatment processe…
Kubota Water and Environment U.S.A Corporation supplies Membrane Bioreactor (MBR) systems and submerged membrane technology for wastewater treatment, …
Kubota Water and Environment U.S.A. Corporation (KWU) is the American subsidiary of Japanese industrial conglomerate Kubota, specializing in membrane …
Founded in 1964 in Nagold, Germany, KUGLER Behälter und Anlagenbau GmbH specializes in solid-liquid separation and sludge dewatering equipment with ov…
LK Metallwaren GmbH, headquartered in Schwabach (Mittelfranken) and Weißandt-Gölzau (Anhalt), Germany, celebrates its 50th anniversary in 2026 as a ma…
Layne, a Granite Company, traces its origins to 1882 as a water-well drilling operation in South Dakota and was acquired by Granite Construction in 20…
Lhoist is a family-owned global lime and mineral solutions producer established in 1889, operating more than 130 sites across over 20 countries with a…
Loprest Water Treatment Co., a subsidiary of Water Remediation Technology (WRT), has been designing and manufacturing water filtration and treatment s…
Loprest Water Treatment Co., operating under the WRT (Water Remediation Technology) parent company, brings over 90 years of experience designing and m…
MANN+HUMMEL Water & Membrane Solutions is the water and process filtration division of the MANN+HUMMEL group, a family-owned German enterprise with mo…
MIXEL and HYDROAIR are brands within GMM Pfaudler, a global corrosion-resistant process equipment manufacturer with 21 facilities across four continen…
MKR Metzger GmbH, headquartered in Monheim, Bavaria, Germany, manufactures industrial wastewater treatment and process water recycling systems under t…
Marel Water Treatment B.V., now operating as JBT Marel following the merger of JBT Corporation and Marel, is a Netherlands-based manufacturer speciali…
Mazzei Injector Company, founded in 1978 and based in Bakersfield, California, specializes in high-efficiency venturi injectors, flash reactors, and g…
Membrion is a Seattle, Washington-based developer and manufacturer of Electro-Ceramic Desalination (ECD) technology for industrial wastewater treatmen…
MENA Water FZC is an engineering and manufacturing firm dual-headquartered in Sharjah Airport Free Zone, UAE, and Berching, Germany, delivering contai…
Miller-Leaman, Inc. is a Daytona Beach, Florida-based manufacturer of water filtration systems with over 30 years of industry experience, headquartere…
Monroe Environmental, founded in 1971 and headquartered in Monroe, Michigan, is a family-owned manufacturer providing custom-engineered air pollution …
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…
Nijhuis Saur Industries (NSI), operating under the Saur Group, is a multinational water and wastewater technology provider with over 7,000 reference i…
Ningbo Brilliant Machinery Co., Ltd. is a Chinese manufacturer based in Fenghua, Ningbo, specializing in high-pressure plunger pumps and complete pump…
Nordic Water, a Sulzer brand established in 1961 and headquartered in Mölndal, Sweden, manufactures mechanical separation, filtration, and pumping equ…
Nordic Water, a Sulzer brand established in 1961, develops and manufactures water treatment equipment from its headquarters at Alfagatan 5 in Molndal,…
Norit Activated Carbon is a global manufacturer with over a century of production experience, operating more than 400 grades of granular and powdered …
Norit Nederland BV, headquartered in Amersfoort, the Netherlands, is one of the world’s oldest and largest activated carbon producers, with production…
Organo Corporation, founded on May 1, 1946 in Suwa, Nagano Prefecture, Japan, is a publicly traded water treatment equipment manufacturer and integrat…
OSMO Membrane Systems GmbH, founded in 1980 and part of the GAW Gruppe, is a specialized manufacturer of industrial membrane filtration and separation…
OZ SEPA Inc., headquartered in Seoul, South Korea, develops and manufactures nano-structured membrane systems for direct oil-water separation under th…
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…
Pall Corporation, established in 1946 and now a Danaher company, is a global leader in filtration, separation, and purification serving aerospace, mic…
Founded in 1979 and headquartered in Redondela, Pontevedra (Spain), Peter Taboada S.L. is an ISO 9001:2015-certified manufacturer specializing in wate…
PFTechnology Sp. z o.o., established in 1998 and headquartered in Wierzbica, Poland, holds ISO 9001:2008 certification for its design and manufacture …
PWL GmbH & Co. Anlagentechnik KG, located in Bueckeburg in Lower Saxony, Germany, equips municipal and industrial wastewater plants with mechanical tr…
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…
Passavant-Geiger GmbH, headquartered in Aarbergen near Frankfurt am Main and employing approximately 300 people, operates under the three brands Passa…
Plum Membrane Technology Co., Ltd. (Anhui Plum Membrane Technology), established in 2004 and based in Hefei, Anhui Province, China, develops and manuf…
Poly Processing, headquartered in Monroe, Louisiana, with additional manufacturing facilities in French Camp, California and Winchester, Virginia, is …
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…
ProMinent is a German-headquartered manufacturer of chemical metering pumps, dosing systems, water disinfection technology, sensors, controllers, and …
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…
Purolite, now operating under the Ecolab brand following its acquisition, is a world leader in resin-based separation, purification, and extraction te…
r-h-pro GmbH (branded R3HAB.PRO) is a German process engineering firm based in Haiterbach, Baden-Württemberg, specializing in the planning, constructi…
Inopor, operating as a division of Rauschert Distribution GmbH within the Rauschert Tec Group, develops and manufactures high-performance ceramic memb…
Red Flint Sand and Gravel, LLC, headquartered at 615 Short Street in Eau Claire, Wisconsin, has produced processed filtration and industrial media for…
Reprotex GmbH, based in Linz, Austria, develops and manufactures mobile water treatment plants that recycle industrial wastewater into reusable clean …
ResinTech is a family-owned American manufacturer of ion exchange resins, activated carbon, filter cartridges, and water treatment systems, headquarte…
Revive Environmental, headquartered in Columbus, Ohio, is an environmental technology company singularly focused on the treatment and destruction of P…
Rheinbraun Brennstoff GmbH (RBB), headquartered in Frechen, Germany, operates as a wholly owned subsidiary of RWE Power AG, combining midsize operatio…
Roberts Filter Group, founded in 1889 and headquartered at 180 Water Works Road in Coatesville, Pennsylvania, is a fifth-generation family-owned manuf…
Rosedale Products, Inc., headquartered in Ann Arbor, Michigan, has designed and manufactured liquid filtration systems and waste minimization products…
SEMEO, founded in 2011 and headquartered in Bréal-sous-Vitré, France, is the mobile effluent and sludge treatment specialist within the SEMOSIA Group,…
SILOXA Engineering AG is a family-owned, independent German company founded in 1998 and headquartered in Essen, specializing in gas purification, cond…
Schreiber LLC, headquartered in Trussville, Alabama, has been a wastewater treatment equipment manufacturer since the late 1970s, with over 2,000 inst…
Shandong Wendao Technology Co., Ltd. is a specialized manufacturer founded in 2016 as a subsidiary of Shandong Shenghe Group, headquartered in Shandon…
Shanghai Activated Carbon Factory Co., Ltd. (SHHXTC), founded in 1946 and headquartered in Shanghai's Jinshan District, is one of China's earliest act…
Shanxi Carbon Industry Co., Ltd. (operating as Shanxi Carbon-Chem Industry Co., Ltd. and trading as CARBON TECH MATERIAL) is a Chinese manufacturer an…
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…
Sorbster Inc., headquartered in Cleveland, Ohio, manufactures patented specialty adsorbent media for heavy metals and trace contaminant removal from i…
DuPont Water Solutions is a global leader in separation and purification technology for water treatment, serving industrial, municipal, pharmaceutical…
Spectrum Water delivers customized water treatment and wastewater solutions from its headquarters at 6135 Industrial Drive in Geismar, Louisiana, with…
Sunresin New Materials Co., Ltd. (SZSE: 300487), headquartered in Xi'an, China, is a globally top-three ion exchange resin manufacturer with annual ou…
Suntex Metals Co., Ltd. (operating as SITG Fluidtech) is a Chinese manufacturer established in 2002 and headquartered in Shijiazhuang, Hebei Province.…
Supratec Gesellschaft für Umwelt- und Verfahrenstechnik mbH, formed through the merger of SUPRAFILT GmbH and OXYFLEX GmbH, brings over 45 years of exp…
TDL Energie GmbH, headquartered in Neumünster, Germany, has over 30 years of experience designing, manufacturing, and operating water and gas treatmen…
TECNIUM (Casals Cardona Industrial, S.A.) is a Spanish manufacturer headquartered in Manresa, Barcelona, specializing in corrosion-resistant capital g…
TTX Environmental, the water and wastewater treatment division of Therma-Tron-X Inc., has operated since 1969 from headquarters at 1155 South Neenah A…
TAMI Deutschland GmbH, based in Hermsdorf, Thuringia, is the German subsidiary of TAMI Industries S.A. (founded 1993 in Nyons, France), a manufacturer…
Technol Portoroz d.o.o., branded as Manufacto, is a Slovenian manufacturer established in 1990 and based in Izola, specializing in fiberglass-reinforc…
Tenco Hydro, founded in 1971 and based in Sugar Grove, Illinois, is an OEM solutions company that has been designing, fabricating, and supplying waste…
Thermo Fisher Scientific BGP GmbH appears in industry line cards and trade listings as a water and wastewater equipment supplier. Company details are …
Thetis Environmental specializes in ultrafiltration membrane technology for high-strength and high-solids wastewater treatment. The company's leadersh…
Tidal Clear Water Science, the water treatment division of Tidal Vision headquartered in Bellingham, Washington, develops proprietary water treatment …
Tongxiang Small Boss Special Plastic Products Co., Ltd. is a Chinese manufacturer founded in 1992 and headquartered in Tongxiang, Zhejiang Province. R…
TopolWater s.r.o. is a family-owned Czech manufacturer of wastewater treatment plants, established as an engineering office in 1990 by Ing. Jan Topol …
Toray Membrane Europe AG, the Swiss-based European arm of Toray Industries, manufactures advanced membrane technology for water treatment, desalinatio…
Toray Membrane USA, a subsidiary of Toray Industries (which began membrane development in 1968), produces a comprehensive range of polyamide composite…
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…
Trojan Technologies, founded in 1977 and headquartered in London, Ontario, Canada, is a manufacturer of ultraviolet water disinfection, UV advanced ox…
UET Water (Universal Environmental Technologies, Inc.) is a custom-engineered water and wastewater treatment systems integrator with over 35 years of …
UIT GmbH Dresden is a German engineering and plant construction firm specializing in industrial water and wastewater treatment, with over 35 years of …
Unifilt Corporation, based in Wilkes-Barre, Pennsylvania, with an additional sales office in Ellwood City, PA, provides filter materials, maintenance …
VATEK Çevre Teknolojileri A.Ş. is a Turkish environmental technology company established in 2006 that designs, manufactures, and installs water and wa…
VT Fiber Filtration BV, based in Numansdorp, the Netherlands, is a manufacturer of proprietary self-cleaning water filtration systems with over 30 yea…
Veolia Water Technologies & Solutions is the water technology division of Veolia, the global ecological transformation company with 215,000 employees …
Veolia Water Technologies and Solutions delivers membrane filtration, advanced oxidation, disinfection, and analytical instrumentation for municipal a…
Veolia Water Technologies & Solutions is the fully Veolia-owned industrial water treatment subsidiary formed after Veolia purchased CDPQ’s 30% stake, …
AqueoUS Vets (AV), founded in 2015 and a portfolio company of Bain Capital Double Impact, is a water treatment manufacturer specializing in the remova…
Vortex Companies is a trenchless infrastructure rehabilitation manufacturer and contractor operating under the 'Why Dig?®' brand. The company produces…
W.L. Gore & Associates is a global materials science company headquartered in Newark, Delaware, best known for inventing expanded PTFE (ePTFE) membran…
Watera International S.A. is a Luxembourg-based water treatment engineering group listed on the Paris Euronext stock exchange, active since 1963 with …
Wateropolis Corp., founded in 2014 by Derek French and based in Mentor, Ohio, is the exclusive manufacturer and global distributor of proprietary gran…
Weihai Greenlan Water Treatment Equipment Co., Ltd., based in Weihai, Shandong Province, China, manufactures low-temperature vacuum evaporation, cryst…
WesTech Engineering, LLC, now operating under the Swire Water group, is a large-scale manufacturer of water and wastewater treatment equipment and liq…
WesTech Engineering, now affiliated with Swire Water, is a major manufacturer of water and wastewater treatment equipment offering one of the industry…
Westfall Manufacturing Company, based in Bristol, Rhode Island, designs and manufactures static mixers, flow conditioners, Venturi flow meters, and di…
Wigen Water Technologies, established in 1965 and headquartered at 4201 Norex Drive in Chaska, Minnesota, is a custom water treatment systems manufact…
Xylem is a global water technology company employing over 23,000 people across approximately 150 countries with more than 8,300 patents, addressing th…
Yardney Water Filtration Systems, founded in 1965 and headquartered in Riverside, California, has manufactured water filtration equipment for over six…
ZwitterCo, based in Woburn, Massachusetts, develops zwitterionic membrane technology and integrated filtration systems for water treatment and industr…
aQuatell, styled Aquatell, is a family-owned water treatment distributor founded in 2006 by Reid Thornley — a former R&D associate at Trojan Technolog…
akvola Technologies GmbH is a water technology company headquartered in Berlin, Germany, founded in 2011 to address the challenge of treating hard-to-…
atech innovations GmbH, based in Gladbeck, Germany, manufactures ceramic membranes and pressure housings for liquid filtration applications, operating…
bioprocessH2O is a wastewater treatment equipment manufacturer based in Rhode Island with over 20 years of experience, 250-plus installations, and a t…
Eco Fresh Carbon (branded Ecofresh) is an Indian activated carbon manufacturer based in Tuticorin, Tamil Nadu, specializing in coconut shell-based ste…
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…
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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