Water treatment solution providers, shortlisted.

Oil Skimmers, Inc., headquartered in Cleveland, Ohio and operating for over 50 years, manufactures oil removal equipment that separates oil, fat and grease from process water, wash water, coolant and wastewater. Its Brill tube-type skimmers, floating weir skimmers and oil water separators with Active Oil Removal recover up to 99 percent of free-floating oils across food processing, metal machining, petrochemical and marine sectors. Product lines include CoolSkim, Skim 1st Tank, OilyBelt and the ORTS oil removal and transfer system.

RS Hydro, founded in 1997 and based in Redditch, England, supplies water quality monitoring and measurement solutions for environmental, process, and industrial applications. It provides online water quality monitors, ultrasonic and clamp-on flow meters, level sensors, groundwater sampling equipment, and telemetry. RS Hydro builds cloud-connected, IoT-enabled sensor networks and remote sampling systems including drone-mounted probes for continuous monitoring of rivers, discharge points, and process streams.

C&G Depurazione Industriale Srl, founded in 1971 in Rignano sull'Arno near Florence, Italy, designs and manufactures industrial wastewater treatment systems. Originally built for the galvanic and metal-plating industry, it now serves printing, cosmetic, pharmaceutical, biotechnology, and food sectors, with over 2,000 plants sold in Italy and abroad. C&G specializes in vacuum evaporators, ion exchange demineralizers, reverse osmosis, and Zero Liquid Discharge systems, backed by global technician support.

Sodai is a Milan, Italy environmental engineering company with more than 30 years of experience in purifying and treating primary waters and industrial process fluids. It designs and operates tailor-made and standard plants for desalination, potabilization, purification, oily water treatment, water reuse and zero liquid discharge, serving Oil, Gas and Power clients including operating centers for ENI and ENEL. The company works across 28 countries and holds ISO 9001, ISO 14001 and ISO 45001 certification.

Ecofario, founded in 2013 and headquartered in Munich, Germany, develops filterless microplastic removal technology for municipal and industrial wastewater treatment plants. Its High-G-Separator uses a high-gravity hydrocyclone principle to remove up to 99.9 percent of microplastics, including adhering pollutants, without filter media, and also serves contaminant rejection, oil extraction and fiber-loss reduction. The company partnered with Valmet for automation and was named one of Germany's most sustainable startups in the Resources category.

Cambi ASA, headquartered near Oslo, Norway, pioneered thermal hydrolysis for sewage sludge and organic waste, commissioning its first full-scale plant in 1996. The CambiTHP process pretreats sludge ahead of anaerobic digestion to boost biogas yield by up to 50 percent, triple digester throughput, and halve final biosolids volume, turning municipal and industrial waste streams into renewable energy and Class A biosolids worldwide.

Boreal Light GmbH, based in Berlin, Germany, designs and manufactures affordable solar-powered water desalination systems for off-grid communities worldwide. Its Winture solar desalination platform produces drinking water, irrigation water, and industrial process water from saline, brackish, and polluted sources without grid electricity, delivered as containerized plug-and-play units serving agriculture, mining, and rural water supply.

Elemental Water Makers B.V., founded in 2012 in Delft, Netherlands by TU Delft engineers Sid Vollebregt and Reinoud Feenstra, builds solar-driven reverse osmosis desalination systems. Its battery-free technology uses energy recovery to cut electricity demand by roughly 70 percent, enabling off-grid seawater and brackish water desalination. The company has supplied clean water to over 100,000 people in remote coastal and island communities.

Clean TeQ Water, headquartered in Mount Waverley, Victoria, Australia, develops and delivers advanced water treatment and resource recovery technologies. Its portfolio includes CIF continuous ionic filtration, CLEAN-IX metal recovery, DESALX membrane-free desalination, EVAPX low-energy evaporation, and PHOSPHIX phosphorus recovery, applied to zero and minimum liquid discharge, brackish desalination, and metals recovery via EPC and build-own-operate models.

Optimarin AS, founded in 1994 in Stavanger, Norway, was among the first companies to develop ballast water treatment for ships. Its systems combine self-cleaning back-flushing filters with UV irradiation to neutralize invasive marine organisms, viruses, and bacteria without chemicals or harmful by-products. In 2016 it became the first vendor approved under the stricter US Coast Guard standard, serving global marine and offshore fleets.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.