Rural & Off-Grid Drinking Water Companies

W.F. S.r.l. is a leading Italian manufacturer specializing in advanced water treatment equipment. They offer a wide range of filtration systems, including UV disinfection and point-of-use filters, catering to industries such as manufacturing and utilities. Their expertise in pressure-driven membrane systems and adsorption-based technologies ensures high-quality water purification solutions.

Filtek Water Treatment Systems specializes in the design and manufacture of advanced water treatment equipment, offering a wide range of filtration and purification solutions for industrial and residential applications. With a focus on innovation and quality, Filtek serves diverse industries across Europe, MEA, and APAC regions.

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.

Hydranautics, a Nitto Group Company, specializes in advanced membrane technologies, offering solutions like reverse osmosis, ultrafiltration, microfiltration, and nanofiltration for water treatment. As a leading equipment manufacturer and technology provider, they serve the water management and utilities industries across North America.

Aqua-Pure Filters & Water Systems is a water filtration company headquartered in Las Vegas, Nevada, United States, operating as an authorized Solventum distributor (the brand formerly known as 3M Drinking Water Filtration, now Aqua-Pure Water Filtration). The company sells water filtration systems and replacement filters for both residential and commercial foodservice applications, including whole house systems, drinking water and under sink systems, reverse osmosis systems, water softeners, iron removal, and UV purification. Its product range targets contaminant reduction across sediment, chlorine and chloramine, lead, microplastics, scale, arsenic, and PFAS/PFOS, and it supplies replacement cartridges, housings, and parts for ice machines, espresso, and coffee and tea equipment.

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.

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.

Watch Water GmbH specializes in water filtration and treatment solutions, offering advanced technologies and consultancy services to enhance water quality across various industries. Based in Germany, they cater primarily to the European market, focusing on utilities, manufacturing, and waste management sectors.

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.

Lenntech B.V. specializes in providing tailor-made water treatment solutions, offering a range of services including reverse osmosis, ultrafiltration, and containerized systems. Operating primarily in Europe, they cater to industries such as food and beverage, utilities, and manufacturing, ensuring efficient water reuse and treatment.

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.

Watertech of America, Inc. is an industrial water treatment company founded in 1980 and headquartered in Greenfield, Wisconsin, United States. The firm combines total system management with chemical and equipment expertise to treat water and wastewater across industrial and commercial markets, serving customers in Wisconsin, Minnesota, Iowa, and northern Illinois. Its programs cover boiler water, cooling water, closed loop, and wastewater applications for clients in the energy, food and beverage, dairy, healthcare, commercial real estate, and manufacturing industries. Watertech also offers smart testing and analytics, including its Aquassist smartphone app that automates water testing, alongside hands free chemical delivery, water analysis, and consulting services focused on system efficiency and sustainability.

PuriTech, founded in 1996 in Belgium, is a liquid separation specialist built around its patented ION-IX continuous counter-current ion exchange system, which uses a multiport distribution valve to cut operating cost, capital and footprint versus conventional plants. Applications include nitrate removal and arsenic removal from drinking water, softening and demineralization, plus metal recovery and direct lithium extraction. The company offers process engineering, 3D design, pilot testing and mobile treatment units.

Cimico specializes in innovative biological wastewater technologies, providing advanced solutions for industrial and municipal water treatment. With a focus on sustainable practices, Cimico serves diverse industries across Europe, offering expertise in treatment solutions, water reuse, and infrastructure systems.

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.

Envites, spol. s r.o. specializes in water treatment solutions, offering engineering, design, and manufacturing services for industrial and municipal water treatment plants. With expertise in advanced filtration and separation technologies, they cater to various industries, including construction, manufacturing, and utilities, across Europe.

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.

Antea Group is an international environment, health, safety, and sustainability consulting firm. Its US operation, Antea Group USA, is headquartered in St. Paul, Minnesota, United States, and works with many of the world's most sustainable companies to address ESG and business challenges. The firm's services span environmental remediation, regulatory compliance, worker safety, merger and acquisition support, and sustainability strategy. Its dedicated water stewardship team specializes in water strategy and program advisory, water risk assessments, water efficiency and innovation, and water footprinting. As a CDP accredited consultancy provider, Antea Group also delivers CDP disclosure and corporate reporting services covering the Climate Change, Water Security, and Forests questionnaires. Through sister companies in Belgium, Brazil, France, India, the Netherlands, Poland, Spain, and the United Kingdom, the group draws on more than 3,200 employees across over 75 offices worldwide.