Water treatment solution providers, shortlisted.

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.

Hydrite Chemical Co. provides chemical solutions across multiple industries, with a specialized focus on water and wastewater treatment. For wastewater applications, the company delivers tailored chemical treatments and feed options targeting odor control and hydrogen sulfide management, alongside contract manufacturing and plant sanitation services. Headquartered in Brookfield, Wisconsin, Hydrite applies oxidation chemistry and sulfide precipitation methods to neutralize odors and treat industrial wastewater streams.

USP Technologies is a United States company headquartered in Glen Allen, Virginia, with a secondary office in London, Ontario, Canada. The company provides performance-driven, full-service odor and corrosion control solutions for municipal and industrial wastewater systems, with more than 25 years of expertise in hydrogen sulfide control across collection systems, treatment plants, and biosolids handling.

SolarPure is a United States company based in Longwood, Florida that produces solar-powered water treatment and conditioning systems for homes and businesses. The company markets itself as the original solar-powered water treatment system, eliminating energy consumption while removing contaminants such as lead, chlorine, bacteria, sulfur, fluoride, nitrates, and iron through custom-fitted filtration and softening media.

RainDance Water Systems manufactures and sells whole-house water purification equipment for residential and commercial use, focusing on treating high total dissolved solids water. The company offers whole-house reverse osmosis systems ranging from 400 to 12,000 GPD for both well and municipal supplies, free water analysis to identify contaminants, and ongoing technical support. Headquartered in California, RainDance combines reverse osmosis, nanofiltration, and UV disinfection in its system packages.

Sorbster specializes in industrial wastewater treatment, manufacturing adsorbent media to remove contaminants from water used in boilers, cooling towers, and other industrial applications. Its product range targets silica, selenium, mercury, copper, and multiple heavy metals, achieving removal rates up to 99 percent. Based in Cleveland, Ohio, the company supports customers with water diagnostics, pilot treatment programs, temporary treatment options, and pump-and-treat applications using standard industry tanks and cartridges.

Clearwater Systems is a United States commercial and industrial water treatment provider offering ultra-pure and high-purity water treatment systems. The company serves applications that require water of exceptional purity, such as laboratories, electronics, and manufacturing, designing systems that remove dissolved ions, organics, and particulates to meet stringent purity specifications.

Amiad Water Systems designs and manufactures automated water filtration and treatment systems for agriculture, livestock, aquaculture, food processing, and industrial applications. The company helps agricultural producers secure clean water supplies amid scarcity and sustainability pressures, offering livestock drinking water purification, farm and dairy wastewater recycling for irrigation reuse, and specialized aquaculture filtration. Headquartered in the Galil Elyon region of northern Israel, Amiad operates regional offices across Europe, North America, and Asia-Pacific.

Donaldson Company is a global filtration leader founded in 1915 and headquartered in Bloomington, Minnesota, operating across six continents with more than 150 locations and multiple innovation centers. Its liquid filtration portfolio includes cartridges, bag and capsule filters, housings, and complete systems for process, sterile, and industrial applications. The company also supplies steam, gas, and compressed air filtration with technical support and aftermarket services.

MAC Water Technologies is a United States company based in Kansas City, Kansas that manufactures, implements, and maintains water and wastewater treatment systems. The company focuses on reducing total dissolved solids in wastewater through multiple treatment methods to help clients meet EPA discharge standards, and also provides boiler water treatment and chemical services for industrial operations.

bioprocessH2O is a United States company headquartered in Portsmouth, Rhode Island that designs, manufactures, and assembles advanced process water and wastewater treatment systems for industrial and municipal clients. The company specializes in custom-engineered systems for pharmaceutical and biotech wastewater, managing organic compounds, heavy metals, ammonia, and dissolved solids while supporting regulatory compliance and operational efficiency.

GEA is a German global systems supplier providing advanced separation and environmental technologies for water treatment and wastewater management. The company offers resource-efficient solutions enabling wastewater reuse and resource recovery, supporting sustainability across diverse industries with 18,000+ employees.

Reynolds Culligan is a Culligan-affiliated water treatment specialist serving Pennsylvania, New Jersey, Delaware, and Maryland since 1950. The company provides commercial and industrial water purification solutions through application engineering, innovative products, and technical service expertise.