Water treatment companies play an integral role in safeguarding our health and environment. These companies are essential service providers that make water fit for myriad uses such as drinking, industrial processes, medical applications, and more by eradicating harmful substances. The water treatment industry in Pennsylvania is diverse, boasting entities of different sizes that offer a plethora of innovative solutions aimed at promoting sustainability and efficiency. Looking forward, the industry is poised to thrive, driven by rising demand for clean water, stringent regulations, technological advancements, and growing awareness about reducing water footprint.


Top 19 water treatment companies in Pennsylvania

1. Evoqua Water Technologies

  • Website: evoqua.com
  • Headquarters: Pittsburgh, Pennsylvania, United States
  • Founded: 2013
  • Headcount: 1001-5000
  • Latest funding type: Acquired
  • LinkedIn

Evoqua Water Technologies LLC is a leading provider of water and wastewater treatment solutions. They offer a range of products and services, including filtration systems, disinfection systems, and high efficiency sand filters. With a focus on sustainability and innovation, Evoqua helps customers in various industries ensure clean and safe water for their operations.


2. GE Water & Process Technologies

  • Website: gewater.com
  • Headquarters: Trevose, Pennsylvania, United States
  • Founded: 1925
  • Headcount: 5001-10000
  • Latest funding type: Acquired
  • LinkedIn

GE Water is a company focused on water treatment and management solutions. Their offerings include technologies, products, and services for industrial, municipal, and commercial customers.


3. SUEZ - Water Technologies & Solutions

Veolia Water Technologies & Solutions is a global company offering sustainable water and wastewater solutions. They provide expertise in water purification systems, equipment and systems, chemical programs, and services. Their comprehensive portfolio includes predictive analytics, design and construction expertise, and water management services.


4. Aquatech International

  • Website: aquatech.com
  • Headquarters: Canonsburg, Pennsylvania, United States
  • Founded: 1981
  • Headcount: 501-1000
  • LinkedIn

Aquatech International offers integrated water services and solutions including desalination, zero liquid discharge, wastewater treatment, and industrial process water treatment. They specialize in membrane technology and provide energy services for total water management.


5. Purolite, An Ecolab Company

  • Website: purolite.com
  • Headquarters: King Of Prussia, Pennsylvania, United States
  • Founded: 1981
  • Headcount: 1001-5000
  • Latest funding type: Acquired
  • LinkedIn

Purolite is a global leader in resin separation, purification, and extraction technology, providing sustainable solutions for our environment, industry, and healthcare. They offer a wide range of products and services for water treatment, hydrometallurgy, oil and gas, food and beverage, pulp and paper, and more.


6. Newterra

  • Website: newterra.com
  • Headquarters: Coraopolis, Pennsylvania, United States
  • Founded: 1863
  • Headcount: 201-500
  • Latest funding type: Acquired
  • LinkedIn

Newterra is a company that provides custom modular facilities for domestic sewage treatment and water filtration. They offer solutions for various industries, including breweries, dairy, wineries, and mining. Their services include MBR modular facilities, oxidation ditch, water filtration, and groundwater remediation.


7. Hyde Marine

Hyde Marine is a company that offers ballast water treatment systems for all types of vessels. They provide solutions to help vessels comply with the complicated regulatory regime of ballast water management. With a focus on customer satisfaction, Hyde Marine's Service Group offers maintenance, parts, and testing services to ensure the proper functioning of their treatment systems. They work closely with customers to provide tailored solutions and have a strong industry reputation.


8. AquaPhoenix Scientific

  • Website: aquaphoenixsci.com
  • Headquarters: Hanover, Pennsylvania, United States
  • Founded: 2003
  • Headcount: 51-200
  • Latest funding type: Private Equity
  • LinkedIn

Aquaphoenixsci.com is a company that offers a range of products and services related to the science and technology of water. Their offerings include innovative water treatment solutions, laboratory equipment, and research services.


9. Qua

  • Website: quagroup.com
  • Headquarters: Canonsburg, Pennsylvania, United States
  • Founded: 2010
  • Headcount: 51-200
  • LinkedIn

QUA Group is a company that develops, manufactures, and markets advanced membrane products for water and wastewater treatment applications. Their products, such as CeraQ ceramic ultrafiltration membrane UF membranes, offer reliable removal of turbidity, microorganisms, and viruses.


10. Roberts Filter Group

Roberts Filter Group is a trusted provider of water treatment equipment and solutions for industrial and municipal industries. With a wide range of customizable products and systems, we exceed performance criteria for surface waters, groundwater, water reuse, drinking water, wastewater treatment, and industrial and minerals processes.


11. Guardian CSC

Guardian CSC is a full-service water treatment company serving commercial and industrial clients with a broad set of solutions for potable water and legionella, cooling water, boiler water, bulk delivery, monitoring, and wastewater systems.


12. Tigg, LLC

  • Website: tigg.com
  • Headquarters: Oakdale, Pennsylvania, United States
  • Founded: 1977
  • Headcount: 11-50
  • LinkedIn

Tigg.com is a manufacturer of ASME code steel tanks and pressure vessels. They offer complete filtration tank systems with granulated activated carbon media for municipalities and public entities looking to remove contaminants from their water sources. Tigg.com also develops and manufactures a broad range of activated carbon filters, adsorption equipment, and services for environmental remediation.


13. Black Opal Carbons

Black Opal Carbons (formerly IndoCarb) is a manufacturer of coconut shell based granular activated carbon and virgin powdered activated carbon used for water treatment, gold and oil recovery, air and gas purification, and other industrial applications.


14. Filter & Water Technologies

Filter & Water is a company based in Montgomeryville, PA that specializes in customized water filtration solutions. They offer a wide range of services, including filtration, deionization, reverse osmosis, and ultraviolet treatment. With expertise in industries such as pharmaceuticals, electronics, beverage, and health & beauty, they provide innovative technology and product formulations.


15. Nature's Way Purewater Systems, INC

Nature's Way Water is a company that offers sustainable water treatment solutions to businesses and homeowners. They provide innovative water filtration systems to improve the quality and taste of the water.


16. Reynolds Culligan Water

  • Website: yourwater.net
  • Headquarters: West Reading, Pennsylvania, United States
  • Founded: 1950
  • Headcount: 11-50
  • LinkedIn

Reynolds Culligan offers water treatment solutions for homes and businesses. Their products include water softeners, reverse osmosis drinking water systems, whole house water filters, and bottled water. They also offer commercial and industrial solutions like deionized water, filtration systems, and ultraviolet water treatment.


17. H2O Solutions, Inc.

H2O Solutions is a water treatment company that offers a diverse line of deionization products in the Northeast, including electro-deionization, reverse osmosis, ultraviolet disinfection, and submicron filtration.


18. Carbochem Inc.

  • Website: carbochem.com
  • Headquarters: Wynnewood, Pennsylvania, United States
  • Founded: 1984
  • Headcount: 11-50
  • LinkedIn

Carbochem is a global company that provides activated carbon products for multiple industries, including water treatment, food processing, and gas purification. Their products are used for filtration and purification applications such as removing taste and odor contaminants, treating food components, and purifying gases.


19. Long's EcoWater Systems, Inc.

Long's EcoWater Systems is a water treatment company providing expert service for all of your water needs. They offer a range of solutions for hard water, drinking water purification, bacteria in drinking water and problem water treatment. Their nationally recognized products and services are tailored to meet unique water needs of customers.


Want to find more water treatment companies?


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...and a lot more!