Activated Sludge Systems
Suspended-growth systems where microbes in aerated basins break down dissolved and colloidal organics.
ADI Systems, now a brand within Xylem Inc., has designed and built industrial wastewater treatment and waste-to-energy solutions for over 40 years fro…
ANR Systech GmbH is a German engineering firm and equipment manufacturer with over 15 years of experience in industrial wastewater treatment and custo…
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…
ARSIMAK BV, operating under its Xealio brand from its headquarters in Evergem, Belgium, develops and manufactures containerized Sequencing Batch React…
AWT Technologies Inc. is a Canadian wastewater treatment company based in British Columbia and a subsidiary of UET Water (Universal Environmental Tech…
Bio-Bubble Technologies is a UK-based wastewater treatment company operating since 1989, with Advanced Aeration Ltd serving as their design, supply, i…
Aeration Industries International, originally founded in 1974 in Chaska, Minnesota, pioneered surface aspirator aeration technology for wastewater tre…
AlgaFilm Technologies is a Canadian startup that has developed the Algae Forest Process, a photosynthetic wastewater treatment technology that simulta…
All Inclusive Water and Wastewater Solutions, Inc. is an engineering and contracting firm headquartered in Auburn, California, staffed with registered…
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…
Anua, based in Greensboro, North Carolina, develops and manufactures decentralized wastewater treatment and odor control systems under its 'One Place …
Aqua-Aerobic Systems, Inc., founded in 1969 and based in Rockford, Illinois, is a water and wastewater treatment equipment manufacturer operating as a…
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…
Aries Chemical, Inc., headquartered in Beaver Falls, New York, is a vertically integrated water and wastewater treatment company that combines in-hous…
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 …
BP GROUP d.o.o. is a Croatian environmental equipment manufacturer headquartered in Kneževi Vinogradi, operating subsidiaries across seven countries i…
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…
CTP Environment America, headquartered at 11755 West Little York Road in Houston, Texas, with additional offices in Edmonton and Toronto, is the North…
CleanTek Water Solutions, headquartered in Arden Hills, Minnesota, serves as the North American distributor and equipment supplier for European-manufa…
ClearStream Environmental, founded in 2002 and headquartered in Sandy, Utah, is a manufacturer and engineering firm that designs, fabricates, and supp…
Coskun Arıtma A.Ş. is a Turkish environmental technology company founded in 2005 and headquartered in Dilovası, Kocaeli. The company designs, manufact…
DuPont Water Solutions, a business unit of DuPont de Nemours, delivers one of the industry's broadest water treatment portfolios spanning membrane sep…
ECS House Industries, Inc., based in Cherry Valley, Arkansas, operates from a 99,000-square-foot manufacturing facility and is recognized as the leadi…
ELIQUO 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…
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…
Ecologix Environmental Systems, headquartered in Georgia with over 20 years of experience, manufactures one of the industry's broadest catalogs of ind…
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…
Fluidyne is a US-based manufacturer of proprietary wastewater treatment process equipment, supplying municipal and industrial wastewater treatment sys…
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…
H2O Innovation is a publicly traded Canadian water technology company founded in Quebec that designs, builds, and operates water and wastewater treatm…
HydroThane STP bv, headquartered in 's-Hertogenbosch, Netherlands and founded in 2008, designs and constructs biological wastewater treatment and biog…
INVENT Umwelt- und Verfahrenstechnik AG supplies process equipment for municipal and industrial water and wastewater treatment from its headquarters i…
JDV Equipment Corporation is a New Jersey-based manufacturer that has designed and built process equipment for water, wastewater, industrial, and agri…
John Cockerill is a Belgian industrial engineering group founded in 1817 that develops large-scale technological solutions across multiple sectors. Wi…
John Cockerill Group, founded in 1817 and headquartered in Belgium, is a diversified industrial conglomerate with 1.697 billion euros in 2024 order en…
Kovalus Separation Solutions delivers liquid-solid separation technologies across twelve market sectors including water and wastewater, dairy, food an…
MUTAG A/S is a Danish biofilm carrier media manufacturer specializing in MBBR (Moving Bed Biofilm Reactor) and IFAS (Integrated Fixed-film Activated S…
Marel Water Treatment B.V., now operating as JBT Marel following the merger of JBT Corporation and Marel, is a Netherlands-based manufacturer speciali…
MENA Water FZC is an engineering and manufacturing firm dual-headquartered in Sharjah Airport Free Zone, UAE, and Berching, Germany, delivering contai…
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…
Norwalk Wastewater Equipment Company (Norweco), founded in 1906 and headquartered in Norwalk, Ohio, manufactures water and wastewater treatment produc…
Nuvoda, headquartered at 608 Gaston Street in Raleigh, North Carolina, develops and manufactures the Mobile Organic Biofilm System (MOB), a patented w…
OSWALD SCHULZE Umwelttechnik GmbH, based in Gladbeck, Germany, brings over 90 years of experience to the planning, delivery, installation, commissioni…
Orenco Systems, Inc. was founded in 1981 and is headquartered in Sutherlin, Oregon, where it researches, designs, and manufactures onsite and decentra…
Ovivo is a global water treatment company with over 150 years of accumulated expertise, offering equipment, technology, and complete systems for produ…
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…
Premier Tech Aqua, operating under the Rewatec brand, is a division of Premier Tech specializing in decentralized water and wastewater treatment syste…
PureBlue Water, founded in 2008 and based in Kapellebrug, Netherlands, designs and manufactures compact decentralized wastewater treatment systems wit…
ROTOTEC SPA, headquartered in Lunano in Italy's Marche region with a secondary facility in Sant'Angelo in Vado, operates under the direction of HB Bos…
Lakeside Equipment Corporation, headquartered in Bartlett, Illinois and operating continuously since 1928, provides equipment across virtually every s…
Rheinbraun Brennstoff GmbH (RBB), headquartered in Frechen, Germany, operates as a wholly owned subsidiary of RWE Power AG, combining midsize operatio…
Schreiber LLC, headquartered in Trussville, Alabama, has been a wastewater treatment equipment manufacturer since the late 1970s, with over 2,000 inst…
Terson Sp. z o.o. is a Polish power transmission components manufacturer based near Legnica, recognized as one of the world's largest producers of cha…
JSC Traidenis, founded in 1996 in Alytus, Lithuania, was the first Lithuanian company to manufacture wastewater treatment plants from glass-reinforced…
TopolWater s.r.o. is a family-owned Czech manufacturer of wastewater treatment plants, established as an engineering office in 1990 by Ing. Jan Topol …
Trepovi S.L. is a Spanish manufacturer founded in 1995 in Solsona, Catalonia, operating from an 18,000 m² facility with over 40 employees. The company…
VATEK Çevre Teknolojileri A.Ş. is a Turkish environmental technology company established in 2006 that designs, manufactures, and installs water and wa…
VorTech Water Solutions Ltd., headquartered at Mervue Business Park in Galway, Ireland, develops and manufactures the Vortex Powered Aeration (VPA) sy…
Waterleau Group NV, headquartered in Belgium and part of the Machiels Group (founded 1941), is a global water technology company ranked among the top …
World Water Works is a wastewater treatment technology company based in Oklahoma City, Oklahoma, offering proprietary systems for both municipal and i…
World Water Works (WWW) is a wastewater treatment technology company headquartered in Oklahoma City, Oklahoma, specializing in biological nutrient rem…
batchpur GmbH & Co. KG, based in Wilnsdorf, Germany with manufacturing in Brehna, develops and manufactures SBR wastewater treatment systems holding o…
bioprocessH2O is a wastewater treatment equipment manufacturer based in Rhode Island with over 20 years of experience, 250-plus installations, and a t…
hydrograv GmbH, founded in 2004 as a spin-off from the Karlsruhe Institute of Technology and Technical University of Dresden, applies computational fl…
inCTRL Solutions Inc. is a digital water software company founded in 2012 and part of the SKion Water group since 2021, providing intelligent operatio…
utp umwelttechnik pöhnl GmbH, founded in 2002 and based in Seybothenreuth, Bavaria, is a second-generation family business with around 30 employees th…
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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