Water treatment is a significant sector in Ohio, with a variety of companies offering extensive services in this field. These companies cater to residential, commercial, industrial, municipal, and medical applications. Their services range from managing hard water issues to the purification and sanitation of drinking water. Furthermore, they tackle wastewater management, ensuring safe and efficient disposal and recycling. With a growing focus on sustainability and new technological innovations, these companies are constantly finding ways to deliver cost-effective, environmentally friendly water treatment solutions.


Top 19 water treatment companies in Ohio

1. The Lubrizol Corporation

  • Website: lubrizol.com
  • Headquarters: Wickliffe, Ohio, United States
  • Founded: 1928
  • Headcount: 5001-10000
  • Latest funding type: Acquired
  • LinkedIn

Lubrizol is a chemical company that offers a wide range of products and solutions. They specialize in lubricant and fuel additives, as well as engineered materials and polymers. Their offerings cater to various industries such as beauty and personal care, coatings, electronics, health, home care, oilfield and refinery, and water treatment.


2. DuBois Chemicals, Inc.

  • Website: duboischemicals.com
  • Headquarters: Sharonville, Ohio, United States
  • Founded: 1920
  • Headcount: 1001-5000
  • Latest funding type: Acquired
  • LinkedIn

DuBois is a leading specialty chemicals supplier, offering a wide range of products and solutions for various industries. They provide manufacturing fluids, lubricants, cleaners, rust preventives, heat treatment solutions, paper and pulp treatments, water treatment solutions, and auto care products. With a focus on quality, innovation, and sustainability, DuBois aims to help businesses optimize performance, improve efficiency, and reduce costs.


3. Kinetico Incorporated

  • Website: kinetico.com
  • Headquarters: Newbury, Ohio, United States
  • Founded: 1970
  • Headcount: 201-500
  • LinkedIn

Kinetico is a water treatment solutions company that offers a range of products designed to convert hard water into clean and soft water. Their products are based on consumer insights and experiences, providing an effective and easy solution for removing impurities and odors from water.


4. Clearwater Systems

Clearwater Systems is a water treatment company that offers home water treatment systems, boat water filtration systems, and marine water purification systems. Their systems provide softened water, remove soap scum, and eliminate hard water residues. They also offer salt-free water systems and whole-house water filters to address stains, odors, tastes, sediment, and debris in tap water. Additionally, they provide drinking water systems that eliminate bacteria, metals, minerals, and chemicals to produce clean and refreshing water.


5. Hague Quality Water International

  • Website: haguewater.com
  • Headquarters: Groveport, Ohio, United States
  • Founded: 1960
  • Headcount: 51-200
  • Latest funding type: Acquired
  • LinkedIn

Hague Quality Water is a leading manufacturer of water treatment products since 1960. They offer a wide range of solutions including water softeners, water filters, and reverse osmosis systems. Hague is committed to engineering excellence and provides top-of-the-line, innovative products.


6. Jones & Henry Engineers

  • Website: jheng.com
  • Headquarters: Toledo, Ohio, United States
  • Founded: 1926
  • Headcount: 51-200
  • LinkedIn

Jones & Henry is an engineering company dedicated to providing quality engineering services. They offer exceptional service and develop long-term relationships with clients. Their expertise lies in providing safe and reliable drinking water, wastewater management, and stormwater specialty services.


7. Water & Wastewater Equipment Company

  • Website: wwe-co.com
  • Headquarters: Cleveland, Ohio, United States
  • Founded: 1978
  • Headcount: 11-50
  • LinkedIn

Water & Wastewater Equipment Company (WWE) specializes in microfiltration systems, reverse osmosis water treatment systems, and plate clarifiers. They offer custom design, build, and installation services for filter presses, water recycling systems, and ion exchange systems. WWE's products and services are used to treat millions of gallons of water daily, reducing costs, improving water quality, and ensuring compliance with environmental regulations. Their expertise in fabrication, installation, and maintenance makes them a trusted partner in the water and wastewater treatment industry.


8. Technical Resources Group

Technical Resources Group (TRG) is a proven leader in providing water treatment services, consulting, and placement for technical professionals. They offer a wide variety of water filtration and purification services, including heat exchanger cleaning, chiller tube cleaning, and cooling tower cleaning. TRG also provides products such as Harmsco filters, Judo filters, ECI softeners, and reverse osmosis systems. Their services increase efficiency of heat transfer, remove biofilm, and extend the life of HVAC equipment. TRG serves industrial and commercial customers in the water and wastewater treatment industry.


9. Western Reserve Water Systems

Western Reserve Pure Water is a small mom and pop shop serving the northern Ohio and surrounding areas since 2002. Backed by a global corporation, they provide innovative water treatment products and services to reduce operating costs and improve customer experiences. They offer a wide range of solutions for commercial and industrial applications, including deionized water, water softeners, reverse osmosis, and more.


10. Trionetics, Incorporated

  • Website: trionetics.com
  • Headquarters: Brooklyn Heights, Ohio, United States
  • Founded: 1987
  • Headcount: 11-50
  • LinkedIn

Trionetics is a full-service manufacturer specialized in industrial water purification, wastewater treatment/recycling, and plating lines. With over 40 years of combined experience, we offer customized water treatment solutions for various industries including electronics, automotive, aerospace, food and beverage, metal finishing, and mining. Our highly automated systems, high-quality products, and expertise help clients achieve their water treatment goals effectively.


11. Pure H2O dba RainSoft

Pure H2O dba as RainSoft offers in-home water filtration and air purification solutions. They provide a range of products including water softeners and conditioners, carbon filtration systems, whole-house air purification, and ultraviolet water disinfection.


12. Dayton Water Systems

Dayton Water Systems provides water treatment solutions for commercial and medical clients. They design and build customized systems for water softening, filtration, deionization, reverse osmosis, and disinfection.


13. NuStream Filtration

NuStream Filtration offers water treatment solutions for a range of industries and applications, including cooling tower filtration, reverse osmosis, central sterile services, and laboratory filtration. Their products are compact but heavy-duty, customizable to fit unique needs and meet stringent standards.


14. Gordon Brothers Water

Gordon Bros. Water offers, installs, and maintains water softeners, drinking water systems, and specialty salt-free water conditioning systems. The company provides solutions for both residential and commercial customers.


15. Midwest Water Softeners

Midwest Water Softeners is a company that specializes in providing municipal and well water treatment solutions. They offer a range of services including water testing, installation, and repair of water filtration systems. They also sell various water conditioning products.


16. Aqua Tech Water Treatment

Aqua Tech Water Treatment Systems provides water softeners and bottled water for home and industry.


17. Culligan Man

Culligan is a water treatment company specializing in water softeners, water filtration systems, reverse osmosis drinking water systems, bottled water and softener salt delivery for both home and office, as well as other water purification systems.


18. Butler Water Systems LLC

Butler Water Systems is a water treatment company offering a wide range of water refinement systems and solutions for residential, commercial, and industrial customers in Cincinnati and surrounding areas.


19. WateRx

  • Website: waterx.com
  • Headquarters: Cincinnati, Ohio, United States
  • Founded: 1983
  • Headcount: 51-200

WateRx™ offers water purification appliances including under-counter, whole house, and shower filters using green ultraviolet technology and tankless heaters.


Want to find more water treatment companies?


If you want to find more companies that offer extensive solutions, including water purification, sanitation, and wastewater management you can do so with Inven. This list was built with Inven and there are hundreds of companies like these globally.


With Inven you'll also get to know the company's:


  • Ownership: Which of these are private equity backed? Which are family-owned?
  • Contact data: Who are the owners and CEO's? What are their emails and phone numbers?
  • Financials: How do these companies perform financially? What are their revenues and profit margins?

...and a lot more!