Water treatment solution providers, shortlisted.

UCC Environmental, headquartered in Waukegan, Illinois, USA, provides industrial water treatment, air pollution control, and solids handling solutions. Its ultrapure water offering serves microelectronics and semiconductor manufacturing across makeup, primary, and polishing stages, combining reverse osmosis, electrodeionization, UV TOC reduction, activated carbon filtration, and membrane degasification to meet the most stringent UPW quality requirements for chip fabrication.

MECO Incorporated, headquartered in Louisiana with operations in California, Singapore, and Ireland, has built water purification equipment for over 90 years and is now a Grundfos company. It is a leading supplier of pharmaceutical and biopharmaceutical water systems, engineering Water for Injection (WFI) and Purified Water generation and distribution skids. MECO designs vapor compression distillation, reverse osmosis, and pure steam systems plus smartANALYTICS monitoring for life-science plants worldwide.

PolyGone Systems, founded by Princeton University graduates in the United States, develops biomimetic filtration to intercept microplastics across wastewater plants, rivers, reservoirs and treatment channels. Its patented Artificial Root Filter uses plant-root-inspired media to capture microplastic particles, achieving about 98 percent filtration performance and removing 520 million particles in a pilot at the ACUA wastewater plant in Atlantic City, New Jersey. The company also runs lab-based microplastic analysis from 399 dollars per sample.

Envirogen Technologies, headquartered in Kingwood, Texas, is an international provider of environmental technology and process water solutions with more than 30 years of experience. It specializes in outsourced operations and maintenance services, offering full-time staffing, routine service contracts, and emergency response for water treatment plants. Envirogen serves mining, petrochemical, food and beverage, and municipal sectors using ion exchange, hollow fiber membranes, and mobile deionization fleets.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.