Water treatment solution providers, shortlisted.

EnviroFALK is a German manufacturer of process water and ultrapure water treatment systems with over 30 years of expertise. It designs, builds and services plants for manufacturing, laboratories, hospitals, medical technology and green hydrogen, combining reverse osmosis, electrodeionization, membrane filtration and ion exchange with regeneration and holistic water management services.

Ecosistemi srl is an Italian water treatment company with over 25 years of experience designing, building, installing, operating and maintaining primary and wastewater treatment plants. It supplies water softeners, reverse osmosis, demineralization and UV disinfection systems together with analytical water characterization, technical assistance and full lifecycle service for industrial and municipal clients.

Epic Cleantec is a San Francisco, California based water technology company specializing in decentralized, onsite water treatment and reuse systems for buildings. The company designs, engineers, permits, and installs water recycling solutions that recover three outputs from a building's wastewater: recycled water for non-potable use, recovered heat energy, and soil amendments. Its flagship OneWater and OneWater Rain systems serve residential and commercial developments, corporate campuses, hotels, data centers, stadiums, and breweries, claiming up to 95 percent reductions in water demand and utility fees. Epic Cleantec also provides operations and maintenance support along with project financing options.

Gradiant is an industrial water treatment solutions and technology company headquartered in Woburn, Massachusetts, United States, founded at MIT in 2013 with over 1,300 employees worldwide. The company provides complete, site-wide solutions that combine proprietary technology, engineering, and customized chemicals to help industries reduce freshwater use, reclaim valuable resources, and renew wastewater into freshwater. Gradiant specializes in minimum and zero liquid discharge, ultrapure water, PFAS and emerging-contaminant removal, and resource recovery for sectors including semiconductors, pharmaceuticals, food and beverage, and lithium and critical minerals.

NEWater is a professional water treatment equipment manufacturer founded in 2010 and headquartered in Suzhou High-tech Zone, Jiangsu, China. The company provides turn-key water purification solutions for industrial and municipal clients, designing, sourcing, and installing custom systems that address water scarcity, wastewater management, and water quality improvement. Its product range covers reverse osmosis, seawater desalination, ultrafiltration, nanofiltration, deionized and ultrapure water, and containerized modular systems. NEWater serves agriculture, pharmaceuticals, food and beverage, power generation, semiconductor manufacturing, healthcare, mining, and municipal water supply, backing equipment with a one-year warranty and lifetime maintenance services.

Advanced Chemical Systems, Inc. (ACS) is a water and wastewater treatment company headquartered in Franklin, Wisconsin. Founded in 1977, ACS provides custom chemical and equipment solutions for industrial wastewater treatment across a wide range of facilities and applications, including boilers, cooling towers, plating, parts washing, and machining processes. The company combines treatment chemistry with equipment, water sample analysis, compliance consulting, and staff training to help industrial sites meet discharge and process water quality requirements.

Culligan Industrial Water designs and supplies industrial and commercial water treatment equipment and systems in the United States, targeting specific process water problems to produce water that meets established quality standards. The company specializes in high purity water systems, industrial water filtration, and commercial water treatment across industries such as healthcare, laboratories, and hospitality. Its offerings include dialysis-grade and ultrapure laboratory water, portable exchange deionization service, custom engineering, and maintenance for water treatment systems of all makes and models.

Pall Corporation is a global supplier of filtration, separation, and purification solutions, addressing complex fluid and gas processing challenges across a broad range of industries. Founded in 1946 and headquartered in Port Washington, New York, the company is now part of Danaher Corporation. Pall serves aerospace and defense, chemicals and polymers, food and beverage, microelectronics, oil and gas, and power generation markets. Its industrial water and process offerings include membrane filtration systems, microfiltration, and ceramic membrane technology used to remove contaminants and protect downstream equipment. The company engineers both single-use and system-scale filtration products for high-purity and high-flow applications.

VVater is a next-generation water technology company headquartered in West Lake Hills, Texas, United States, focused on solving water scarcity through advanced purification and reuse. The company develops consumable-free treatment systems that purify water to ultrapure standards while using significantly less energy than conventional reverse osmosis, serving industrial, municipal, and recreational sectors. VVater specializes in circular water economies, supplying solutions for direct potable reuse, PFAS destruction, industrial process water, zero liquid discharge, and large-scale artificial aquatic facilities such as surf parks and artificial beaches.

Enviromatch Inc. is a United States based water and wastewater treatment company headquartered in Murrieta, California, with over thirty years of experience in the design, engineering, manufacturing, and supply of treatment systems. The company specializes in containerized, factory-assembled water treatment plants delivered in standard 10-ft, 20-ft, and 40-ft ISO shipping containers that can be commissioned within days of arriving on site. Enviromatch builds seawater and brackish water desalination systems, including its FreshMatch SWRO reverse osmosis units for commercial, industrial, marine, and municipal applications. Project experience spans seawater desalination for resorts, brackish water reverse osmosis for water-scarce regions such as Qatar, and sewage treatment for new developments.

NSI Mobile Water Solutions is a provider of adaptable mobile and rental water and wastewater treatment systems, headquartered in Stoke-on-Trent, United Kingdom, and operating as part of Nijhuis Saur Industries within the SAUR Group. The company delivers temporary and long-term treatment capacity to industrial sites without requiring fixed infrastructure investment, supporting needs from 24/7 emergency response to multi-year contracts. With over 25 years of experience, NSI specializes in containerized, trailer-mounted, and skid-based plant that can be deployed rapidly across manufacturing, power, and process industries.

Chem-Aqua is an industrial water treatment company providing customized programs for boilers, cooling systems, and process water across more than 55 countries. The company designs bespoke treatment programs that aim to reduce water, energy, and maintenance costs while protecting system reliability and safety. Its work spans steam boiler and closed-loop treatment, cooling tower and chiller treatment, Legionella risk management, and microbiological and biofilm control. Chem-Aqua is the water treatment division of NCH Corporation, headquartered in Irving, Texas, and now operates as part of Solenis following acquisition. The company reports over 34,000 implemented programs and more than 1,600 water treatment team members worldwide.

Metro Water Recovery is the largest wastewater treatment provider in the Rocky Mountain West, headquartered at 6450 York Street in Denver, Colorado. The public agency serves over 2 million people across 65 member cities and sanitation districts within an 817-square-mile region spanning Denver and portions of Adams, Arapahoe, Jefferson, Douglas, and Weld counties. Its mission is to protect regional health and the environment by cleaning water and recovering resources. Metro Water Recovery operates three facilities, the Robert W. Hite Treatment Facility, the Northern Treatment Plant, and the METROGRO Farm, providing wastewater transmission and treatment, biosolids processing, thermal energy recovery, and industrial pretreatment.

BIOROCK, operating as BIOROCK ROTOMADE SA, is a Luxembourg based manufacturer of non-electric wastewater treatment systems headquartered in Ellange (Mondorf), Luxembourg. The company designs and produces compact, eco-friendly sewage treatment plants for residential, commercial, and institutional applications, ranging from single homes to communities serving up to 10,000 population equivalents. Its product range includes the easyRock, Beasy, Monoblock, Ecorock, Multirock, and Biorotor lines. BIOROCK systems are built around a proprietary media carrier and a three-stage treatment process of primary clarification, bioreactor purification, and gravity or pump discharge, with most systems requiring no electricity and no moving parts for low-maintenance operation.

H2O Inc. is a water and waste systems manufacturer headquartered in Lafayette, Louisiana, designing and building water treatment solutions for demanding marine and offshore environments. The company specializes in systems for offshore oil and gas platforms, FPSOs, and commercial vessels, including freshwater desalination, marine sanitation devices, biofouling control, and bilge water treatment. With more than 3,000 systems installed globally, H2O Inc. supplies certified equipment and provides equipment rentals along with 24/7 technical support and field service.

ChemREADY is a water and wastewater treatment company headquartered in Twinsburg, Ohio, providing integrated solutions that combine treatment chemistry, equipment, field services, and remote monitoring. The company serves industrial and commercial clients with cooling tower, boiler, and closed-loop water treatment, Legionella risk management and disinfection, industrial wastewater treatment, and dewatering and solids management. ChemREADY emphasizes system reliability and regulatory compliance, supplying ultra-concentrated chemical formulations, filter presses, and digital controllers for phosphorus removal, odor control, and water safety management.

Chardon Labs is a commercial and industrial water treatment service provider headquartered at 7300 Tussing Road in Reynoldsburg, Ohio. Founded in 1965, the company delivers customized treatment programs for cooling towers, boilers, and closed-loop systems, addressing scale, corrosion, biological growth including Legionella, and mineral content. Services include water testing, chemical application, system cleaning and flushing, filtration, and Legionella testing and control. Chardon Labs is ISO 9001:2015 certified and offers ASSE 12080 Legionella certification, serving customers across roughly 13 states in the eastern and midwestern United States.

Jacobs is a global professional services company headquartered in Dallas, Texas, United States, delivering science based, digitally enabled, end to end solutions from consulting and advisory through design and implementation. The company operates in roughly 40 countries with around 47,000 employees and approximately 12 billion dollars in annual revenue, serving infrastructure, advanced manufacturing, environmental, and technology sectors. In water, Jacobs provides comprehensive infrastructure services spanning water treatment, wastewater treatment, water reuse, water conveyance and storage, water resources management, and industrial water solutions. The firm applies AI enabled tools to plan, design, deliver, and operate complex water infrastructure, including digital twins, resource recovery, and advisory services for utilities and industrial clients worldwide.

APEC Water Systems is a water filtration manufacturer based in City of Industry, California, and is one of the leading US manufacturers of residential reverse osmosis drinking water systems. The company designs, engineers, and assembles its products in the USA, specializing in undersink and countertop reverse osmosis systems, whole-house water softeners, and replacement filters. APEC offers WQA certified products that remove up to 99 percent of contaminants, serving residential and light commercial customers seeking high-purity drinking water.

WSP is a global engineering and professional services consultancy headquartered in Montreal, Canada, serving governments, municipalities, utilities, and industrial clients across the planning, design, delivery, and maintenance of water infrastructure. In the water sector, WSP supports collection and conveyance systems for water and wastewater, condition assessments, risk-based planning, and upgrade strategies that extend asset life and improve system performance. The firm develops digital water solutions using smart sensors, real-time monitoring, predictive analytics, and digital twins that combine engineering models with operational data. WSP combines global technical depth with local insight to deliver integrated water management, hydraulic modeling, infrastructure renewal, and sustainability strategy.