Package & Complete Treatment Plants

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…

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

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

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.…

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

ANMASI A/S, founded in 1989 in Denmark, operates as a manufacturing group serving the metal, plastics, food, and pharmaceutical industries through thr…

ANR Systech GmbH is a German engineering firm and equipment manufacturer with over 15 years of experience in industrial wastewater treatment and custo…

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…

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…

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…

ARSIMAK BV, operating under its Xealio brand from its headquarters in Evergem, Belgium, develops and manufactures containerized Sequencing Batch React…

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 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 (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…

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

Advanced Drainage Systems (ADS), founded in 1966 and headquartered in Hilliard, Ohio, is North America's leading manufacturer of stormwater and onsite…

Agritech srl is an Italian manufacturing company established in 1987 in Calvisano, Brescia, that specializes in reinforced fiberglass (GRP/vetroresina…

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…

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 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…

Amiad Water Systems, founded over six decades ago in Israel's kibbutz-led water management tradition, has grown into one of the world's foremost water…

Amprolys Canada is a Montreal-based manufacturer of activated organic minerals for water and wastewater treatment, with production facilities in Louvi…

Amwell, established in 1868 and operating today as a division of McNish LLC alongside Walker Process Equipment (1946) and E&I Corp (1975), is among th…

Andersson Water Sweden AB is a Swedish manufacturer with over 30 years of specialization in wastewater screening and screenings handling equipment, ex…

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 …

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…

Apache Stainless Equipment Corporation, based in Beaver Dam, Wisconsin, has manufactured custom stainless steel tanks, vessels, and process equipment …

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

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

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-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…

AquaOx Inc. is a service-disabled veteran-owned small business based in South Carolina that manufactures whole-house residential water filtration syst…

Aquadron appears in industry line cards and trade listings as a water and wastewater equipment supplier. Company details are pending verification — if…

Aquafine Corporation, founded in 1949 and based in Valencia, California, is one of the world's largest ultraviolet water treatment equipment manufactu…

Aquafix Milieu B.V., headquartered in Mijdrecht, Netherlands and now part of the ACO Group, is the largest separator manufacturer in the Benelux regio…

Aqua Logic Inc., founded in 1989 and operating from a 17,000 sq ft facility in Monroe, North Carolina, manufactures titanium-constructed aquatic tempe…

Aquarden Technologies ApS is a Danish cleantech company founded in 2005 and headquartered in Skævinge, Denmark, specializing in supercritical water ox…

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

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 …

Nuvonic (formerly Aquionics) is a UV water disinfection and treatment technology company operating as part of the Halma Group, with over three decades…

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…

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 …

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…

Atara Equipment Ltd, founded in 1967 and headquartered in Laval, Quebec, Canada, is a manufacturer of shaftless and shafted screw conveyors and associ…

Atlantic Coast Crushers Inc appears in industry line cards and trade listings as a water and wastewater equipment supplier. Company details are pendin…

Atlantic Filter Corporation (AFC) is a family-owned water treatment company headquartered in West Palm Beach, Florida, that has served residential, co…

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

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

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 …

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

BAP GmbH Abwassertechnik is a German manufacturer of valves, slide gates, and pipeline fittings purpose-built for wastewater treatment plants and sewe…

BBK Valve Group Co., Ltd, established in 2002, operates three production facilities in Tianjin and Qingyang totaling over 20,000 square meters, with h…

BDP EnviroTech LLC is a wastewater treatment technology company established in 1992 by founder and CEO Eric Li, who created the initial R&D center in …

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

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…

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…

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

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

Bedford Reinforced Plastics, headquartered in Bedford, Pennsylvania, is a manufacturer of fiberglass-reinforced polymer (FRP) structural components an…

Beijing Sinofloc Chemical Co., Ltd. is a Chinese manufacturer and global supplier of polyacrylamide (PAM) flocculants, organic coagulants, and functio…

Bellmer GmbH of Niefern-Oeschelbronn, Germany, dates to 1842 and remains family-owned in its sixth generation, employing over 900 people at 17 interna…

Bimaks Kimya ve Gida Dis Ticaret A.S. is a Turkish specialty chemical manufacturer headquartered in Turkey and a member of the Association of Water Te…

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 …

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…

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

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

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

C.F. Maier-CE, part of the fourth-generation C.F. Maier Group, is a German manufacturer of large-area covering systems made from glass fiber-reinforce…

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…

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

CIFEC (Compagnie Industrielle de Filtration et d'Equipement Chimique), founded in 1963 and based in the Paris region of France, is an ISO 9001-certifi…

CLEARSTREAM WATER TREATMENT GmbH, based in Florsheim-Dalsheim, Germany, and operating under the ROWE Holding group, develops modular fourth purificati…

CNP CYCLES GmbH, based in Alzenau, Germany, develops process engineering solutions for energy recovery, nutrient recovery, and resource optimization a…

COMAC CAL s.r.o. is a Czech measurement and sensor technology manufacturer with nearly 40 years of experience, headquartered in Trnovice and operating…

Controlmatik ABW d.o.o., based in Domžale, Slovenia, develops and manufactures dosing, measurement, regulation, and safety equipment for water disinfe…

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 …

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…

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

Cembrane A/S is a Danish membrane technology company based in Lynge that designs and manufactures silicon carbide flat-sheet membranes for water and w…

Centraltubi S.p.A. is the founding company of System Group, established in 1979 by Alvaro Boscarini in Lunano, Italy (Marche region). Beginning with a…

Centrisys/CNP is a U.S.-based manufacturer of decanter centrifuge systems and advanced biosolids process technologies, headquartered in Kenosha, Wisco…

Cerlic Controls, headquartered in Kennesaw, Georgia, specializes in optical sensor instrumentation for water quality monitoring, positioning itself as…

Charter Machine Company (CMC), a subsidiary of Graphic Equipment Corporation based in Metuchen, New Jersey, has over 75 years of precision machine man…

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

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…

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…

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…

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

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

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…

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…

DVK International Co., Ltd, founded in 2006 and headquartered in Nanjing, China, manufactures fluid control valves and accessories for HVAC, waterwork…

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…

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…

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 …

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…

Dickow Pumpen GmbH & Co. KG is a fourth-generation, family-owned pump manufacturer founded in 1910 and headquartered in Waldkraiburg, Bavaria, Germany…

DKY Valves and Controls, the brand of Dikkaya Su Kontrol Sistemleri Sanayi ve Ticaret A.S., was founded in 1997 in Kemalpasa, Izmir, Turkey, and opera…

Founded in 1976 in Missoula, Montana, Diversified Plastics, Inc. (DPI) is a custom plastics engineering and manufacturing company marking its 50th yea…

Dongying Giayoung Precision Metal Co., Ltd specializes in silica sol investment casting at Dongying in Shandong, China, pouring stainless, heat-resist…

Dorstener Wire Tech (DWT), headquartered in Spring, Texas, is the North American filtration arm of the Germany-based Dorstener Drahtwerke Group with m…

DuPont Water Solutions, a business unit of DuPont de Nemours, delivers one of the industry's broadest water treatment portfolios spanning membrane sep…

Duperon Corporation is a family-owned manufacturer of liquid and solids separation technology headquartered in Saginaw, Michigan, founded in 1985. ISO…

Dutch Flow Control, founded in 1993 and headquartered in Emmeloord, Netherlands as part of the DFC Group, manufactures engineered flow control and sel…

Dutchland, Inc., part of the Lindsay Family of Brands, is the largest United States producer of precast post-tensioned concrete tanks, with over 35 ye…

Düker GmbH, based in Unterfranken, Germany, traces its origins back more than 555 years and today operates as a premium manufacturer of cast iron valv…

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…

Ecomembrane S.p.A., headquartered in Gadesco-Pieve Delmona, Cremona, Italy, is a global manufacturer of membrane gasometers, digester covers, and PVC-…

ECOTECH Ltd., established in 1974 and based in Nea Smyrni, Greece, is a water and environmental engineering company that combines OEM manufacturing wi…

EFI USA, founded in 1993 and headquartered in Gaston, South Carolina, is the leading installer of geosynthetic liner and environmental containment sys…

EFS SAS is a French instrumentation manufacturer based in Montagny, near Lyon, with over 40 years of multidisciplinary expertise spanning electronics,…

EHLE-HD Entwicklungs- und Vertriebsgesellschaft mbH, founded in 1987 by Friedhelm Ehle in Lahr in the Black Forest region of Germany, is a manufacture…

ELIQUO HYDROK Ltd is a UK-based water and wastewater engineering firm headquartered in Indian Queens, Cornwall, serving all major water utility compan…

ELIQUO PMI AS, formerly known as Enwa PMI AS until a January 2024 rebranding, is a Norwegian engineering and manufacturing firm and one of Norway's le…

ELIQUO Water & Energy BV, based in the Netherlands and part of the SKion Water group through the Eliquo Water Group, designs and installs multi-techno…

ELIQUO WATER GROUP GmbH, based in Germany, consolidates the European municipal water and wastewater technology activities of SKion Water GmbH. With ov…

EMG Automation GmbH, headquartered in Wenden, Germany and part of the elexis group, has built over seven decades of engineering expertise as a special…

Cempuro, operated by EMI sp. z o.o. from Poland, manufactures ceramic ultrafiltration systems that recover potable water from filter backwash streams …

EMO sas is a French water and wastewater treatment equipment manufacturer based in Noyal-sur-Vilaine, with over 40 years of industry experience, 100-p…

EMPYRIO is a Latvian environmental technology startup founded in 2018 and headquartered in Riga that has developed a compact, containerized mono-incin…

ENDRESS Elektrogerätebau GmbH, headquartered in Bempflingen near Stuttgart, Germany, has manufactured power generation equipment since its founding in…

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…

ERGELIT Trockenmörtel und Feuerfest GmbH, based in Alsfeld, Germany, manufactures 22 specialized dry-mix mortar formulations serving infrastructure co…

ERHARD GmbH, founded in 1871 by Johannes Erhard in Heidenheim, Germany, is one of the world's oldest and most comprehensive manufacturers of valves an…

ETL Verfahrenstechnik GmbH, based in Peiting in southern Germany, has spent over 35 years engineering sample preparation and filtration systems that c…

ETS Engineering S.p.A., headquartered in Pergola, Italy, has designed and manufactured medium and heavy lifting equipment for over 50 years from a 10,…

Eurosan Su Arıtma ve Çevre Teknolojileri, established in 1994 and headquartered in Ataşehir, Istanbul, operates under its registered EuroTechwater® (E…

EXPO-NET Danmark A/S, headquartered in Hjørring, Denmark, is the manufacturer of BIO-BLOK structured biofilm carrier media used in biological wastewat…

EasyMining, a subsidiary of Ragn-Sells Group, develops and commercializes patented chemical processes that recover valuable nutrients and salts from w…

Eco World Water Corp, headquartered at 7900 Peters Road, Suite B-200, Fort Lauderdale, FL 33324 with a manufacturing facility at 505 SW 31st Avenue, O…

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…

ELBI S.p.a., headquartered in Limena (Padova), Italy, is a polyethylene product manufacturer whose AQUAPURA division produces integrated systems for w…

Element 13, LLC, headquartered in Tomball, Texas, is an aluminum products manufacturer specializing in engineered tank covers, roofs, and structural c…

Enduro Composites, now operating under the Creative Composites Group (CCG) umbrella alongside six other FRP composite companies, manufactures fibergla…

Enercon Engineering, LLC is a manufacturer and engineering firm headquartered in East Peoria, Illinois that has grown from a 5,000-square-foot garage …

EFI-Solutions, formerly Engineered Fluid Incorporated, is a Centralia, Illinois-based manufacturer that positions itself as North America's prefabrica…

Entex Technologies, Inc. is a Chapel Hill, North Carolina-based manufacturer of advanced biological wastewater treatment systems, holding U.S. patents…

EnviroChemie is a German engineering firm with over 45 years of experience designing, building, and operating industrial water and wastewater treatmen…

Environetics, Inc., based in Lockport, Illinois, designs, patents, and manufactures environmental control products that address liquid pollution probl…

Environmental Equipment Engineering (EEE), based in Mechanicsville, Virginia, has manufactured wastewater lagoon aeration equipment and diversion syst…

Erich Stallkamp ESTA GmbH, headquartered in Dinklage, Germany, is a specialist manufacturer of stainless steel products for agriculture, biogas, indus…

Ernst Heitland GmbH and Co. KG, founded in 1921 in Solingen, Germany, is a manufacturer and independent distribution partner for water, gas, and heat …

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…

Excel Fluid Group (EFG) is a turnkey pump station solutions provider serving municipal, commercial, industrial, data center, federal/military, aviatio…

Excelitas Noblelight GmbH, formerly Heraeus Noblelight before its acquisition by Excelitas Technologies in 2024, is a German manufacturer specializing…

F & Q Pumps, Inc. is a U.S. pump and submersible motor manufacturer based in South El Monte, California, with over 40 years of experience designing an…

F.B. Srl, founded in 1991 by Faccio Domenico and Belluzzi Nicola, is an Italian manufacturer based in Montorso Vicentino (Vicenza province) that began…

F.E. Myers, a Pentair brand with over 150 years of manufacturing heritage, produces one of the industry's broadest lines of water pumps spanning resid…

FAGGIOLATI PUMPS S.p.A. builds submersible pumping, mixing, and aeration equipment at its works in Macerata, Italy. Pump output spans 0.5 kW to 350 kW…

FAN Separator GmbH, based in Marktschorgast in Upper Franconia, Germany and part of the Austrian Bauer Group since 2004, is a leading manufacturer of …

FIBRE NET S.p.A., founded in 2001 by Cecilia and Andrea Zampa and headquartered in Pavia di Udine, Italy, manufactures glass fiber reinforced polymer …

FIDCHEM develops plasma-based and sorptive water purification technologies targeting persistent contaminants that conventional treatment cannot addres…

Fırat Plastik AŞ, headquartered in Istanbul, Turkey, is one of the country's largest construction plastics groups, exporting to over 70 countries and …

FIRMUS France, headquartered in Clermont l'Hérault in France's Languedoc-Roussillon region, brings over 30 years of expertise in membrane separation t…

Flovac is a global designer and supplier of vacuum sewer systems, providing an alternative to conventional gravity and septic infrastructure for commu…

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 …

FUCHS Fertigteilwerke, operating under FUCHS & Söhne Service GmbH, is a German precast concrete manufacturer headquartered in Berching, Bavaria. The c…

FUGI SRL, operating as FG Pumps, is an Italian manufacturer based in Segrate, Milan, specializing in chemical metering and dosing pumps for industrial…

Fabryka Armatur JAFAR S.A. has made cast iron valves and fittings in Poland since 1953, with production at Skolyszyn and Przysieki in the country's so…

Fairbanks Nijhuis, operating as a brand under Pentair, carries over 200 years of pump manufacturing heritage and produces one of the industry's broade…

Fiberr Fiber Reinforced Resins Kompozit Teknolojileri is a Turkish composite manufacturer founded in 2011 and headquartered in Saruhanlı, Manisa. Oper…

Finger-Beton Unternehmensgruppe is a German precast concrete manufacturer founded in 1885, headquartered in Fronhausen, Hesse, with eight production s…

Five Star Filtration, based in Conroe, Texas, manufactures continuous-operation water filtration systems for municipal and industrial water treatment,…

Flexxolutions GFS BV, headquartered in Oldenzaal, Netherlands, manufactures sustainable technical textile products for the biogas, agriculture, hortic…

Flocell appears in industry line cards and trade listings as a water and wastewater equipment supplier. Company details are pending verification — if …

Fluence Corporation, headquartered in Plymouth, Minnesota and listed on the Australian Securities Exchange, delivers decentralized and modular water a…

Fluidmix S.L. is a Spanish agitation and dosing equipment manufacturer based in Madrid, designing, producing, and providing technical assistance for i…

Fluidyne is a US-based manufacturer of proprietary wastewater treatment process equipment, supplying municipal and industrial wastewater treatment sys…

Fournier Industries (Groupe Industries Fournier inc.) is a Canadian manufacturer based in Thetford Mines, Quebec, with over 400 employees serving wate…

Fournier Industries (Groupe Industries Fournier inc.) is a Quebec-based manufacturer of sludge dewatering equipment, bolted storage tanks, and industr…

Fraccaroli & Balzan S.p.A. is an Italian manufacturer founded in 1969 in Pescantina, Verona, by Tiziano Fraccaroli and Carlo Balzan. With over 8,000 p…

Friedrich Krumme GmbH, based in Bad Hersfeld, Germany, has over 35 years of experience specializing in stainless steel scraper track systems and speci…

FujiClean Co., Ltd. is a Japanese manufacturer of onsite wastewater treatment systems, founded in 1961 and recognized as one of the world's leading pr…

Fumoso Industrial S.A., operating through its Drenotube brand, is a Spanish manufacturer that originated in 1965 as an EPS packaging producer in Corne…

G&G Partners Srl, established in 2008 and based in the Brescia area of Lombardy, Italy, is a manufacturer of reinforced polyethylene geomembranes mark…

G-H Systems, Inc. is a Georgetown, Texas-based provider of custom engineered water and wastewater treatment plants and proprietary process equipment, …

G. BOPP + Co. AG, established in 1881 and headquartered in Zürich, Switzerland, is a global leader in precision woven wire mesh manufacturing with its…

GAMART S.A., founded in 1996 and based in Jasło in southeastern Poland, operates across four business pillars — R&D, manufacturing, machinery, and dis…

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…

GKD Gebr. Kufferath AG, founded in 1925 by Josef Kufferath in Düren, Germany, is a fourth-generation family-owned technology leader in technical woven…

GLS Tanks International GmbH, based in Heidenreichstein, Austria, has spent over 30 years specializing in bolted glass-lined steel tanks, vessels, and…

Groupe GOTREX, headquartered in Cessieu near Lyon, France, is an industrial valve and piping group comprising three entities: GOTREX (distribution, es…

GRATT Europa Lda, based in Esposende, Portugal, is the European subsidiary of Gratt Industria e Tecnologia Ambiental — Brazil's largest manufacturer o…

Galli Aldo S.r.l. is an Italian manufacturer with over 60 years of experience designing, fabricating, and installing thermoplastic equipment for indus…

Gebr. Ostendorf Kunststoffe GmbH, founded in 1973 and based in Vechta, Germany, operates as a Vollsortimenter — a full-range supplier — covering the c…

Geoplast S.p.A. is an Italian manufacturer headquartered in Grantorto, Padova, that designs and produces over 40 plastic construction products across …

Geoteck-Tierre S.R.L., trading as Geotierre, produces aeration diffusers and MBBR media for wastewater treatment from Casazza in the Bergamo province …

Gerodur MPM Kunststoffverarbeitung GmbH & Co. KG, headquartered in Neustadt in Sachsen, Germany, is a subsidiary of the Swiss HakaGerodur AG group wit…

Glasco UV is a woman-owned American manufacturer of ultraviolet water disinfection systems based in Mahwah, New Jersey, with over 1,500 installations …

Glass-Steel, Inc. has fabricated fiberglass reinforced plastic (FRP) structures for the water and wastewater industry since 1979 from its headquarters…

Goetze KG Armaturen is a fourth-generation family-owned valve manufacturer based in Ludwigsburg, Germany, founded in 1949. The company specializes in …

Golden Harvest Inc. is a U.S. manufacturer of aluminum and stainless steel water control gates with over 40 years of experience and more than 5,000 in…

Gradiant is a global water treatment solutions provider that originated as an MIT spinout and now operates across semiconductor manufacturing, pharmac…

Greasezilla, operated by Downey Ridge Environmental and headquartered in West Virginia, manufactures turnkey FOG (Fats, Oils, and Grease) and UCO (Use…

Grenex Ltd. (그레넥스) is a South Korean water treatment equipment manufacturer established in 2000, with headquarters in Seoul's Gangnam district and a p…

Gross-Wen Technologies (GWT), headquartered at 404 Main Street in Slater, Iowa, develops and commercializes algae-based wastewater treatment systems u…

Grünbeck AG, headquartered in Höchstädt an der Donau, Germany, manufactures water treatment systems for residential, commercial, and industrial applic…

Founded in 2003 and headquartered in Guangzhou's Baiyun District, Guangzhou Shincci Energy Equipment Co., Ltd. has deployed over 3,000 low-temperature…

Guardian Environmental Products, operating under the brand GuardWater, is a manufacturer of capital equipment for the water and wastewater industry he…

Göksan Pompa Sanayi ve Ticaret A.Ş., operating under the registered SEP (Sep Pump Systems) brand, is one of Turkey's leading pump manufacturers with o…

H.O. Trerice Company, founded in 1923 and headquartered in Oak Park, Michigan, is a century-old American manufacturer of industrial measurement and co…

H2O Innovation is a publicly traded Canadian water technology company founded in Quebec that designs, builds, and operates water and wastewater treatm…

H2Ortner GmbH, headquartered in Passau, Germany, is a specialized wastewater treatment company serving municipal and industrial clients through a dist…

H2S Control, a division of Heyward Florida Incorporated based in the Orlando area, designs and manufactures hydrogen sulfide odor control systems excl…

HABA-Beton Johann Bartlechner KG is a German precast concrete manufacturer serving underground civil engineering and water infrastructure markets acro…

HAUS Centrifuge Technologies, founded in 1954 and headquartered in Aydin, Turkey, operates a 100,000-square-meter integrated production facility with …

HAUS Centrifuge Technologies (HAUS Makina Sanayi Ticaret A.Ş.) is a Turkish manufacturer founded in 1954 in Aydın, originally as “Hakkı Usta” by engin…

HIDROSTANK S.L., established in 1996 and based in Tafalla, Navarra, Spain, designs and manufactures integrated infrastructure solutions for sanitation…

Founded in 1981 and headquartered in Meschede, Germany, HST Systemtechnik employs approximately 215 people across four locations including a dedicated…

HYDROO PUMP INDUSTRIES S.L. is a Spanish pump manufacturer headquartered near Barcelona in Palol de Revardit, Catalonia, producing a comprehensive ran…

Haase Tank GmbH, based in Großröhrsdorf near Dresden, Germany, has manufactured glass fiber reinforced plastic (GRP) separators and tanks for water an…

Halliday Products Inc., established in 1972 and headquartered in Orlando, Florida, manufactures aluminum and stainless steel access covers, safety sys…

Hallsten Corporation has designed and fabricated structural aluminum products from its North Highlands, California headquarters since 1966. The compan…

Hammann GmbH is a German family-owned company headquartered in Landau, founded in 1997, that develops and manufactures the patented Comprex® pipe clea…

Hans Rinninger u. Sohn GmbH & Co. KG produces precast concrete for civil engineering, building construction, and environmental technology in the Westa…

Founded in 1967 in Freilassing, Bavaria, Hawle Deutschland Armaturen GmbH has grown from a valve manufacturer into a comprehensive system provider for…

Hayward Flow Control, a division of Hayward Industries, Inc., has manufactured thermoplastic flow control products for over 60 years from its US-based…

Hebei Slot Filter Technology Co., Ltd. operates under the Johnsonslot brand from Anping County, Hebei Province, China, manufacturing stainless steel w…

Hebei Weitong FRP Co., Ltd., founded in 2015 and based in Hengshui City, Hebei Province, China, manufactures fiberglass-reinforced plastic (FRP) produ…

Henriques and Henriques, S.A., founded in 1980 by Saul Henriques and based in Santarem, Portugal, is a pressure vessel and metal tank manufacturer for…

Herborner Pumpentechnik GmbH and Co. KG, headquartered in Herborn, Germany with a branch facility in Landsberg (Saxony-Anhalt), has manufactured pumps…

Herbst Umwelttechnik GmbH (HUT), based in Berlin, Germany, has operated in environmental protection for over 38 years, specializing in the planning, c…

Heron Innovators, established in 1998 and based in California's Central Valley, is the manufacturer of Suspended Air Flotation (SAF) technology—a prop…

Herrenknecht Separations, a division of Herrenknecht AG based in Schwanau, Germany, delivers integrated separation technology and water treatment solu…

Hewitech is a family-owned German manufacturer operating from Billerbeck, North Rhine-Westphalia, with over three decades of experience producing plas…

Hexa-Cover A/S, headquartered in Thisted, Denmark, is the globally market-leading manufacturer of floating cover elements for liquid surfaces, with in…

Heymann BBV GmbH, based in Mühldorf, Bavaria, is a water treatment chemical specialist operating under the Waldilit® brand, providing consulting, appl…

Hidrofilt Vizkezelest Tervezo es Kivitelezo Kft., founded in 1990 and based in Nagykanizsa, Hungary, is a vertically integrated water treatment manufa…

Hidroten S.A. is a Spanish manufacturer based in Benejama, Alicante with over 30 years of experience producing thermoplastic water systems technology.…

Huaze (Ningxia) Carseritech Carbon Co., Ltd., which also trades as Huaze Yitong (Ningxia) Technology Co., Ltd., has manufactured activated carbon for …

Huma Environmental, a division of Huma, Inc. based in Gilbert, Arizona, manufactures bioremediation and biostimulant products for wastewater treatment…

Founded in 1909 and headquartered in Clayton, New Jersey, Hungerford & Terry is an employee-owned manufacturer of municipal and industrial water treat…

Huning Anlagenbau GmbH & Co. KG, based in Melle, Lower Saxony, Germany, is part of the Huning Group and delivers single-source solutions for the trans…

Hybag Automationen AG, founded in 1973 and headquartered in Linden (Bern), Switzerland, manufactures organic waste processing systems and automation e…

Hydranautics, part of the Nitto Group since 1987, has operated out of Oceanside, California since its founding in 1963 and entered the reverse osmosis…

HydroThane STP bv, headquartered in 's-Hertogenbosch, Netherlands and founded in 2008, designs and constructs biological wastewater treatment and biog…

Hydronix Water Technology, based in Ontario, California, is a manufacturer and wholesale distributor of water filtration, purification, and separation…

Hyera Inc. is a U.S.-based manufacturer of sustainable activated carbon, producing granular activated carbon (GAC) and powdered activated carbon (PAC)…

HÜCOBI GmbH is a fourth-generation family-owned hose and fitting specialist headquartered in Bielefeld, Germany, with over a century of trading histor…

IDEXX Laboratories, Inc. is a global leader in rapid water microbiology testing solutions, providing test kits and automated instrumentation that safe…

Headquartered in Lakeville, Minnesota and operating since 1994, IEC (Industrial & Environmental Concepts, Inc.) is a global designer, fabricator, and …

InnTe d.o.o. (Innovative Technologies), based in Brezovica pri Ljubljani, Slovenia, is the developer and manufacturer of the Kinetic Reactor, a global…

INNOWASTE is a clean technology company headquartered in Budapest, Hungary with US operations in Sheridan, Wyoming, that developed the InnoPellet syst…

ITWH GmbH (Institut für technisch-wissenschaftliche Hydrologie) is a German engineering and software firm headquartered in Hannover, with additional o…

IUT Innovative Umwelttechnik GmbH, based in Pfedelbach, Baden-Württemberg, Germany, designs, manufactures, and installs environmental technology equip…

IWAT GmbH engineers industrial wastewater treatment plants from Hebertshausen near Munich, Germany, with a record of 250 completed projects in 37 coun…

Infiltrator Water Technologies, now part of Advanced Drainage Systems (ADS), has been a leader in the onsite wastewater treatment industry for over 38…

Infrastructure Dynamics, based in Blacksburg, Virginia, engineers and manufactures modular wastewater treatment systems, packaged pump stations, and s…

Inland Tarp & Liner (ITL) is an employee-owned company (since 2020) providing customizable geosynthetic solutions across three U.S. facilities in Mose…

Innovatek is a Turkish engineering and manufacturing company based in Gebze, Kocaeli, founded by experienced wastewater treatment engineers to deliver…

Innovatreat (legal entity: Innovative Treatment Products, Inc.) is an Owings Mills, Maryland-based manufacturer of advanced decentralized wastewater t…

Integrated Water Services, Inc. (IWS) is a design-build firm headquartered at 115 Wild Basin Road South, Suite 107, Austin, Texas 78746, with manufact…

INVENT Umwelt- und Verfahrenstechnik AG supplies process equipment for municipal and industrial water and wastewater treatment from its headquarters i…

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…

Isotex Engineering Srl, based in Trissino (Vicenza), Italy, is part of the Santex Rimar Group and manufactures the DryWa low-temperature belt sludge d…

JSF OIL&WATER S.A., operating through its ALUROOFS brand, is a Spanish manufacturer with over 25 years of experience designing and producing self-supp…

JWC Environmental (JWCE), operating as a Sulzer brand since its acquisition, has manufactured wastewater screening, grinding, and solids reduction equ…

Jet Inc., based at 750 Alpha Drive in Cleveland, Ohio, is an ISO 9001:2015 certified manufacturer of residential and commercial onsite wastewater trea…

Josef Romberger Maschinenfabrik GmbH, a Bavarian family firm with more than 120 years in mechanical engineering, designs and builds bulk material conv…

Jumel+Kraft Kunststofftechnik GmbH & Co. KG, based in Weitefeld in the Westerwald region of Germany, brings over 40 years of experience to the design …

Kazanci Çevre Teknibi̇yoteknoloji, headquartered in Istanbul's Kadıköy district, delivers environmental technology solutions through three integrated …

KECO Pump and Equipment, established in 1954 and based in San Diego, California, is the exclusive North American distributor of Ragazzini Rotho perist…

KEIKEN Engineering is a Spanish firm with offices in Alcobendas (Madrid) and Barberà del Vallès (Barcelona), holding ISO 9001:2015 certification throu…

KELLER Pressure AG, founded in 1974 by physicist Hannes W. Keller (inventor of the integrated silicon measuring cell) and now led by his sons Tobias a…

KEMEO BV is a Netherlands-based dissolved air flotation specialist headquartered in Hilversum, with over 30 years of experience and ISO 9001 certifica…

KF Unternehmensgruppe GmbH (KF Group) is a Berlin-based environmental services conglomerate founded by the Kemmer and Fischer families, with origins t…

Founded over 125 years ago, KLINGER GmbH is the German subsidiary of the global KLINGER Group, headquartered in Idstein, Hesse. The company engineers …

KMU LOFT Cleanwater SE, based in Kirchentellinsfurt, Germany with an office in Lörrach, has delivered over 2,800 vacuum evaporation systems across 60 …

KSB SE & Co. KGaA, established in 1871 in Frankenthal, Germany, operates in the United States through three entities: KSB Inc. (pumps and valves for w…

KUHN GmbH Technische Anlagen is a German engineering and manufacturing company established in 1926 and headquartered in Höpfingen (Franz-Kuhn-Straße 1…

Kurita America, headquartered at 6600 94th Avenue North in Minneapolis, Minnesota, is the United States operating subsidiary of Kurita Water Industrie…

Kawasaki Heavy Industries, a diversified Japanese industrial conglomerate headquartered in Kobe, Japan, produces water and wastewater treatment system…

Kemira Water Solutions, Inc. is the North American subsidiary of Kemira Oyj, a global chemistry company headquartered in Helsinki, Finland, with over …

The Kerry Company, Inc., operating as Kerry Actuator, is a USA-based manufacturer of industrial electro-hydraulic actuators located in Allison Park, P…

Headquartered in Eresing, Germany and operating for over four decades under Managing Director Georg Klass junior, Klass Filter GmbH engineers continuo…

Wolfgang Krajewski GmbH & Co. KG, trading as KRAJEWSKI Pumpentechnik, is a German engineering and manufacturing firm established in 1971 and based in …

Krüger A/S is a Danish water technology company and subsidiary of Veolia Water Technologies, providing biological wastewater treatment, ozone disinfec…

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…

LAGUR A/S, founded in 2014 and based in Denmark, produces a patented chemical-free water conditioning system that prevents limescale without salt, che…

LIPP GmbH, headquartered in Tannhausen, Germany, is a family-owned enterprise with over 65 years of experience in steel tank and vessel construction, …

LK Metallwaren GmbH, headquartered in Schwabach (Mittelfranken) and Weißandt-Gölzau (Anhalt), Germany, celebrates its 50th anniversary in 2026 as a ma…

Labkotec Oy, founded in 1964 and headquartered in Pirkkala, Finland, is a measurement technology manufacturer and subsidiary of the Indutrade Group th…

Laizhou Dongsheng Valve Co., Ltd. is a Chinese industrial valve manufacturer founded in 2002 in Shahe Town, Laizhou City, Shandong Province. Operating…

Licus ProTech is a German engineering company specializing in long-shaft agitation technology for municipal and industrial water treatment. Their flag…

Lilian Labs GmbH, founded in 2016 and based in Braunschweig, Germany, develops and manufactures the LILIAN Water Analysis System, a mobile photometric…

Logiball Inc. is a manufacturer of trenchless pipe rehabilitation equipment celebrating over 40 years in business, operating from headquarters in Queb…

Lone Star Turbo operates from a 16-acre campus at 8883 West Monroe Road in Houston, Texas, manufacturing centrifugal blowers and compressors for water…

Loprest Water Treatment Co., a subsidiary of Water Remediation Technology (WRT), has been designing and manufacturing water filtration and treatment s…

Bürsten-Baumgartner, operating as Ludwig und Rosa Baumgartner OHG, is a German industrial brush manufacturer based in Plattling, Bavaria, founded in 1…

MANN+HUMMEL Water & Membrane Solutions is the water and process filtration division of the MANN+HUMMEL group, a family-owned German enterprise with mo…

MAXX Mess- und Probenahmetechnik GmbH is a family-owned manufacturer based in Rangendingen, Germany, producing automatic water sampling equipment span…

MB Anlagentechnologie GmbH & Co. KG, based in Neumünster, Schleswig-Holstein, Germany, is an engineering and manufacturing firm specializing in comple…

Molded Fiber Glass Construction and Water Products (MFG CWP), an employee-owned company under the Molded Fiber Glass Companies umbrella with over 75 y…