The water treatment industry in Rhode Island consists of various companies delivering imperative services essential for health, wellness, and environmental sustainability. The companies in this sector specialize in services like water filtration, purification, wastewater management, quality monitoring, and more. They also provide essential utilities for residential, commercial, and industrial purposes. With advances in technology and a growing emphasis on preserving resources, these firms are more focused than ever on delivering more efficient and sustainable water treatment solutions.


Top 22 water treatment companies in Rhode Island

1. Providence Water Supply Board

Providence Water is a water utility company that provides clean and safe drinking water to customers in Providence, Rhode Island. They offer services such as water supply management, water quality monitoring, and customer assistance programs.


2. bioprocessH2O, LLC

BioprocessH2O is a company that specializes in designing and manufacturing innovative wastewater systems for safe water disposal and reuse. They provide custom solutions tailored to each client's needs, helping them maximize the efficiency and effectiveness of their water usage.


3. International Dioxcide

  • Website: idiclo2.com
  • Headquarters: North Kingstown, Rhode Island, United States
  • Founded: 1948
  • Headcount: 11-50
  • LinkedIn

International Dioxcide is the largest North American producer and distributor of sodium chlorite, offering commercial water treatment solutions. They specialize in chlorine dioxide technology and innovation, providing superior products for applications such as cooling towers, disinfectants, industrial water, odor control, oil and gas, potable water, and wastewater.


4. Build Smart

Buildsmart-energy.eu is a company that offers water softening solutions to help customers save money and energy. Their water softeners remove iron and other minerals from water, preventing stains and improving water quality. By investing in their water softening systems, customers can enjoy the benefits of softer water and extend the lifespan of their plumbing and appliances.


5. Aqua Science LLC

Aqua Science is a provider of water filtration products including pressure tanks, water filter cartridges, whole house water filters, and drinking water system filters. They also offer a range of water pumps, pump control boxes, and other well components.


6. Zilmet Usa

  • Website: zilmetusa.com
  • Headquarters: North Kingstown, Rhode Island, United States
  • Founded: 1962
  • Headcount: 11-50
  • LinkedIn

Zilmet USA offers a range of water treatment and storage solutions, including residential and commercial tanks, heat exchangers, magnetic filters, mixing valves and water conditioners.


7. Water Filter

The Water Filter Company offers solutions to improve water quality for both residential and commercial customers. They specialize in whole house and drinking water filtration systems, water testing, and radon mitigation.


8. Aquas Group

  • Website: aquas-group.com
  • Headquarters: East Providence, Rhode Island, United States
  • Founded: 1986
  • Headcount: 1-10
  • LinkedIn

AQUASGROUP is a chemical engineering based, design/build manufacturer of process water recycling systems such as zero liquid discharge parts washers, metal finishing process lines, and wastewater treatment and recovery systems, with a focus on sustainability and efficiency.


9. Paul's Water Works INC

Paul's Water Works specializes in water treatment, well drilling, and water filter systems for residential and commercial clients. With over 20 years of experience and expertise in local water quality issues, they offer custom-designed solutions to improve water quality and safety.


10. Phillips Plumbing & Mechanical

Phillips Plumbing & Mechanical is a family owned company specializing in single and multi-family plumbing and heating repairs, replacements, remodeling, and custom homes. They also offer plumbing and heating services for commercial and industrial maintenance staffs.


11. Clear Water Plumbing

  • Website: clearwaterphp.com
  • Headquarters: North Smithfield, Rhode Island, United States
  • Headcount: 1-10

Whether you need an emergency plumbing service, a water heater replacement or a new water filtration system, turn to the experts.


12. Hart Companies

Hart Companies is a multi-discipline engineering, architectural, and project management firm specializing in the pharmaceutical, biotech, and process industries. With decades of experience and expertise in unit operations, operating conditions, and control systems, Hart delivers excellence in design, construction, and passivation of new facilities. They also offer services in specialty chemical, water, and waste treatment, energy, industrial facilities, and microelectronics.


13. The Chemical Company

  • Website: thechemco.com
  • Headquarters: Jamestown, Rhode Island, United States
  • Founded: 1988
  • Headcount: 51-200
  • LinkedIn

The Chemco is the largest international supplier and distributor of chemicals, composites, and plastics. They partner with manufacturers globally to provide cost-effective alternatives for businesses of all sizes.


14. Primary Flow Signal, Inc.

Primary Flow Signal is a leading provider of world-class differential pressure flow elements for liquid, gas, and steam applications. With a focus on quality, accuracy, and reliability, they offer a wide range of flow meters and metering products to meet the unique needs of their customers.


15. A b Hoxie Well and Pump inc.

  • Website: abhoxie.com
  • Headquarters: Charlestown, Rhode Island, United States
  • Headcount: 1-10
  • LinkedIn

A.B. Hoxie, Inc., is a family owned business dedicated to providing our customers with professional service. Our highly trained technicians have 90 years of combined experience in the water well industry. We continue on going job training, safety courses and education related to the products we sell and service. Our mission as professionals in the water well industry is to provide our customers with honest, professional service and quality products for their water well need.


16. Cumberland Well & Pump

Cumberland Well & Pump is a company that provides well drilling, pump installation, and water treatment services in Cumberland County, Pennsylvania.


17. Allan Prior

  • Website: allanprior.com
  • Headquarters: Newport, Rhode Island, United States
  • Headcount: 1-10

Allan Prior LLC is a company that operates in the Consumer Services industry. It employs 11-20 people and has $1M-$5M of revenue. The company is headquartered in Newport, Rhode Island.


18. Pure Beverage Systems, Inc.

  • Website: purebev.com
  • Headquarters: Cranston, Rhode Island, United States
  • Founded: 2004
  • Headcount: 11-50
  • LinkedIn

Pure Beverage offers a range of water and ice machines that utilize a nine stage purification process to remove harmful germs and add key nutrients for a great taste. They aim to provide the best drinking water in New England.


19. Narragansett Bay Commission Ri

  • Website: narrabay.com
  • Headquarters: Providence, Rhode Island, United States
  • Headcount: 201-500
  • LinkedIn

Narrabay.com is a company focused on the restoration and conservation of Narragansett Bay. They work towards improving water quality and protecting the ecosystem of the bay.


20. Water Treatment Solutions

Never worry about your water again. Water Treatment Solutions system saves you money by removing harmful minerals that ruin appliances. Call 401-275-5959.


21. legion development

  • Website: legionh2o.com
  • Headquarters: Cranston, Rhode Island, United States
  • Headcount: 1-10

legion development Inc is a company that operates in the Construction industry. It employs 6-10 people and has $1M-$5M of revenue. The company is headquartered in Cranston, Rhode Island.


22. Specialty Diving Services Inc

Specialty Diving Services (SDS) has built a great reputation throughout New England as a top-notch marine construction and commercial dive contractor.


Want to find more water treatment companies?


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...and a lot more!