Water treatment solution providers, shortlisted.

Desolenator develops solar thermal desalination technology that produces ultrapure water from seawater and brackish water without membranes. The company harnesses solar power and industrial waste heat in a chemical free, circular process, with modular systems sized up to 40 cubic meters per hour and optional zero liquid discharge. Its solutions target industrial and municipal users including data centers and agriculture, with documented projects in Dubai and Abu Dhabi.

Membracon is a water treatment engineering firm based in Wolverhampton, England, that designs and builds membrane based systems for industrial clients. The company specializes in replacing chemical processes with membrane technology to cut hazardous additives and waste. Its work covers effluent treatment, water recycling and reclamation, pure water production, and desalination, supported by ongoing service, maintenance, and consultation.

Ecosphere Technologies, operating as Brisben Water, develops patented technologies for industrial water treatment and wastewater recycling, with a focus on scale inhibition and corrosion control. The company uses advanced oxidation processes to recycle and reuse wastewater across oil and gas, mining, agriculture, and municipal sectors, and also addresses bacteria control and cooling and boiler water treatment. Headquartered in Hobe Sound, Florida, it has processed billions of gallons of wastewater in oil and gas operations.

Watch Water is a Mannheim, Germany based manufacturer of water and wastewater treatment media with more than 45 years of experience and over 45 branches worldwide. The company produces scale prevention media, adsorbents, filter media, and instant dosing chemicals for drinking water, food and beverage, boilers, cooling towers, wastewater, and reuse. Its products remove iron, manganese, hydrogen sulfide, heavy metals, and turbidity.

AWC Water Solutions is a Canadian company headquartered in Langley, British Columbia, with a secondary office in Calgary, Alberta. With over 40 years in operation, the company designs and manufactures integrated water and wastewater treatment systems for municipal and industrial applications, combining multiple technologies into unified systems. AWC has delivered more than 500 systems treating 632 million gallons per day across North America.

American Water is a Michigan based water treatment provider with locations in Clarkston and Owosso serving residential and commercial customers. The company improves water quality by addressing turbidity, hardness, iron, arsenic, lead, tannins, bacteria, taste and odor, and total dissolved solids. It installs and services treatment equipment, performs water testing, and supplies softener salt and bottled water across the region.

Bluedrop Water is a South Easton, Massachusetts based water filtration company serving New England across residential, hospitality, office, and commercial and industrial sectors. The company tests water, then designs, installs, and maintains whole home and commercial systems for high volume contaminant removal. Its industrial clients include Boston Scientific and Samuel Adams, served by reverse osmosis, filtration, and softening systems sized for food and beverage, pharmaceutical, healthcare, and power applications.

Herco Wassertechnik GmbH manufactures industrial water treatment systems made in Germany, with nearly 80 years of operation and specialized expertise in medical applications, particularly hemodialysis water purification. The company supplies single-pass and double-pass reverse osmosis units for dialysis clinics, thermally sanitizable systems cleanable at up to 90 degrees Celsius, and dead-zone-free loop distribution. Services include installation, commissioning, training, maintenance, and the regeneration and rental of filter cartridges.

AOS Treatment Solutions is a United States water testing and treatment company based in Cypress, Texas, operating since 1999. The company specializes in phosphorus removal from municipal and industrial wastewater, offering a complete line of products that reduce phosphorus in the final effluent before discharge. AOS supports treatment plants in meeting regulatory discharge limits through chemical, biological, and physical removal approaches.

Absolute Water Technologies provides water treatment equipment across the Midwest and Southern United States, specializing in dialysis water systems, laboratory water, central sterile processing, and commercial and industrial applications. The company designs, installs, and maintains purification systems, performs water quality testing, and distributes equipment from manufacturers including AmeriWater and Better Water. It supports healthcare and industrial facilities with preventative maintenance and consulting.

BI Pure Water designs and manufactures custom industrial and municipal water treatment plants, with over 30 years of experience serving municipalities, mining, oil and gas, pharmaceutical, and agricultural sectors. The company offers turnkey systems including mobile, trailer-based emergency potable water units deployed during disasters, as well as engineered modular fire pump plants. Based in Surrey, British Columbia, it delivers complete custom treatment solutions from design through manufacturing.

Cleanawater is an Australian company established in 1996 that designs, manufactures, installs, and services wastewater treatment, wash water recycling, and odour management systems. The company is a leading supplier of oil water separators across the Australian market, removing suspended solids, free oils, and grease from wastewater at capacities from 1,000 to 50,000 litres per hour. Cleanawater serves industrial and commercial clients across Australia and Asia.

Gainey's Concrete is a Holden, Louisiana based manufacturer that designs and installs precast concrete wastewater treatment plants with third party engineering approval, alongside sanitary, stormwater, and industrial precast products. Its treatment plants use extended aeration with return activated sludge plus nitrification and denitrification to remove ammonia and organics. The company also references breakpoint chlorination, ion exchange, and zeolite filtration for ammonia control.

Anthesis Group is a sustainability consultancy founded in 2013 and headquartered in London, United Kingdom, with over 1,500 people across more than 40 offices in 22 countries. The company helps businesses develop water stewardship practices that promote the equitable and sustainable management of water resources, strengthening operational continuity, protecting their license to operate, and reducing water-related risk across their value chains.

C.C.I. Chemical Corporation manufactures and distributes wastewater treatment chemicals from its main plant in Vernon, California, with additional facilities on both U.S. coasts and distribution across North America, South America, and Asia. The company designs customized chemical treatment programs, operates a fully equipped analytical laboratory, and provides on-site operator and management training during system startup. It supports clarifier, flotation, filtration, and batch treatment systems.

Sol-Up is a Las Vegas, Nevada based solar energy company founded in 2009 that designs and installs solar power, battery storage, and energy efficient products for residential and commercial customers, with a Southern California presence. The company publishes informational content on solar powered desalination as an application of solar energy. Its core focus is solar installation rather than dedicated water treatment equipment.

Fresenius Medical Care operates dialysis treatment centers and manufactures medical devices, with its North American headquarters in Waltham, Massachusetts. The company specializes in water purification for dialysis therapy, where clean, purified water is essential to delivering high-quality treatment. Its AquaB plus, AquaA, AquaB LITE, and AquaC UNO H systems deliver purified water for in-center and central dialysis applications.

Butler Manufacturing Services is a family-owned company established in 1986 that manufactures packaged products for wastewater and stormwater treatment, exporting to over 50 countries. The company provides sewage treatment systems, pump stations, and surface water management solutions, supported by a free design service, operation and maintenance with repair and testing, and on-site CPD presentations. Headquartered in Longford, Ireland, it applies nitrification, vortex separation, and hydrobrake flow control across its product range.

Cannon Water Technology supplies water and wastewater treatment equipment and solutions, with dedicated offerings for the pharmaceutical industry where it emphasizes compliance with stringent regulatory requirements. The company provides customized systems for solvent filtration during active pharmaceutical ingredient production, sterile filtration of final products, and wastewater handling including emulsion breaking and sludge separation. It is headquartered in Rocklin, California.

Waterdrop designs and sells water filtration systems for residential use, specializing in reverse osmosis technology to reduce contaminants and total dissolved solids from tap water. The company offers undersink RO systems in capacities from 600 to 1600 GPD, countertop RO dispensers, and whole-house pre-filtration and water softening systems. Its products combine high-rejection RO membranes with multi-stage sediment and carbon filtration plus optional remineralization, and it operates through multiple United States warehouses.