The water treatment industry in Michigan addresses critical challenges related to clean water supply and wastewater management. Companies in this sector employ technologies for filtrating, purifying, and reusing water, catering to both municipal and industrial needs. As environmental regulations tighten and public demand for sustainable practices grows, firms are innovating continuously to stay relevant. There's also a notable emphasis on energy-efficient solutions and the integration of smart technologies, such as AI and IoT, which streamline operations and enhance compliance. This evolution is imperative as water scarcity issues surface and industries seek effective methods to manage and conserve water resources.

Michigan hosts a range of water treatment companies, varying in size from small firms to larger establishments with hundreds of employees. Many companies, like ProAct Services Corporation and Infrastructure Alternatives, Inc., were founded in the past few decades, showcasing the industry’s growth. Each specializes in distinct areas of water management, including wastewater treatment, filtration systems, and environmentally-friendly solutions. Locations from Kalamazoo to Auburn Hills reflect Michigan's commitment to improving water resources. These companies are strategically focused on serving local communities while also addressing broader environmental challenges.

Read on to discover the top water treatment companies in Michigan.

Top 22 Water Treatment Companies in Michigan

1. ProAct Services Corporation

• Website: proact-usa.com
• Ownership type: Corporate
• Headquarters: Ludington, Michigan, United States (USA)
• Employee distribution: United States (USA) 100%
• Latest funding: $132.0M, June 2018
• Founded year: 1994
• Headcount: 51-200
• LinkedIn: proact-services-corporation

ProAct Services Corporation, known as Evoqua Water Technologies, is based in Ludington, Michigan, and has been operational since 1994. The company specializes in water treatment solutions, focusing on filtration systems and wastewater management. They serve a variety of sectors, including municipal drinking water and industrial applications, ensuring compliance with environmental standards. Evoqua's product offerings include aerobic and anaerobic wastewater treatment systems, disinfection technologies, and high-efficiency filtration systems. With a workforce of approximately 43 employees, the company has established itself as a reliable provider of water treatment technologies. In 2018, Evoqua secured $132 million in funding, indicating strong investor confidence in their business model and growth potential.

2. Infrastructure Alternatives, Inc.

• Website: iaiwater.com
• Ownership type: Corporate
• Headquarters: Rockford, Michigan, United States (USA)
• Employee distribution: United States (USA) 100%
• Latest funding: February 2023
• Founded year: 2000
• Headcount: 51-200
• LinkedIn: infrastructure-alternatives-inc-

Infrastructure Alternatives, Inc. (IAI), established in 2000, is a service-oriented company based in Rockford, Michigan. With a workforce of approximately 57 employees, IAI focuses on water and wastewater treatment, offering a comprehensive suite of services that includes contract operations, engineering, and mechanical services. The company caters to both municipal and industrial clients, primarily in Michigan and Wisconsin. IAI is dedicated to ensuring safe and compliant water management, addressing the specific needs of its clients with tailored solutions. Their operations include the management of drinking water and wastewater treatment plants, where they provide essential services such as emergency call-outs, preventative maintenance, and laboratory analysis. IAI also emphasizes community involvement through initiatives like the IAI H2O Foundation, which supports environmental and humanitarian causes. This commitment to service and community engagement positions IAI as a significant player in the water treatment industry.

3. L.D. Docsa Associates, INC.

• Website: lddocsa.com
• Ownership type: Private
• Headquarters: Kalamazoo, Michigan, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 1963
• Headcount: 11-50
• LinkedIn: l.d.-docsa-associates-inc.

L.D. Docsa Associates, INC. is an engineering contractor based in Kalamazoo, Michigan, with a focus on water and wastewater treatment. Established in 1963, the company has over 20 years of experience in the industry, providing a range of services that include design, engineering, construction, and maintenance for both municipal and industrial clients. They emphasize sustainable solutions and have successfully completed more than 1,000 projects, managing an annual volume of approximately $25 million. L.D. Docsa operates a fabrication shop and employs certified welders, allowing them to perform a significant portion of their work in-house. Their commitment to compliance with environmental regulations and their ability to customize solutions for clients further solidify their position in the water treatment sector. The company prides itself on its skilled workforce and innovative approaches to tackling water resource management challenges.

4. Hesco

• Website: hesco-mi.com
• Ownership type: Private Equity
• Headquarters: Novi, Michigan, United States (USA)
• Employee distribution: United States (USA) 100%
• Latest funding: December 2023
• Founded year: 1972
• Headcount: 11-50
• LinkedIn: hesco_3

Hesco Group, LLC, based in Novi, Michigan, has been a significant player in the water and wastewater management industry since its founding in 1972. The company specializes in providing a wide range of services, including the installation, maintenance, and troubleshooting of water treatment equipment. With a dedicated team of technicians, Hesco ensures that the equipment they sell operates optimally, offering services such as preventative maintenance and customer training. Their primary clientele consists of municipalities and organizations that require efficient and compliant water management systems. Over the years, Hesco has built a reputation for superior customer service and innovative solutions, which has been crucial in helping their clients enhance operational performance. The company has not reported any recent funding, indicating stability in its operations and a focus on organic growth.

5. Unidro

• Website: unidro.com
• Ownership type: Private
• Headquarters: Milan, Michigan, United States (USA)
• Employee distribution: Italy 100%
• Founded year: 1971
• Headcount: 51-200
• LinkedIn: unidro-s.p.a.

Unidro, founded in 1971 and based in Milan, Michigan, is a private company specializing in water treatment solutions tailored for the Oil & Gas and Energy sectors. With a workforce of approximately 144 employees, Unidro has built a reputation for delivering custom-engineered solutions that meet the specific needs of its clients. The company offers a comprehensive range of services, including feasibility studies, process design, detailed engineering, and after-sales support. Their projects span across various international markets, showcasing their capability to handle complex water treatment challenges. Unidro's recent integration into Nijhuis Saur Industries has further solidified its position in the industrial water treatment sector, allowing for enhanced service offerings and technological advancements. Their commitment to client satisfaction and environmental sustainability is evident in their ongoing projects, which include significant contributions to major LNG and petrochemical facilities worldwide.

6. F&V Operations

• Website: fv-operations.com
• Ownership type: Private
• Headquarters: Grand Rapids, Michigan, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 2011
• Headcount: 51-200
• LinkedIn: f%26v-operations

F&V Operations & Resource Management, Inc. (FVOP) is a private company based in Grand Rapids, Michigan, founded in 2011. The firm specializes in water and wastewater treatment operations and management services, catering to both municipal and industrial clients. FVOP provides a range of services including maintenance, consulting, and technical support, ensuring that facilities comply with regulatory standards while operating efficiently. Their expertise covers drinking water treatment and distribution, as well as wastewater treatment and collections. FVOP operates primarily in Michigan and Indiana, focusing on optimizing water supply and wastewater management systems. The company prides itself on its commitment to employee development and maintaining a strong company culture, which is reflected in their high rate of repeat business from satisfied clients. With a team of professionals dedicated to improving water and wastewater facilities, FVOP plays a significant role in the water treatment industry.

7. Digested Organics - A Mott Company

• Website: digestedorganics.com
• Ownership type: Corporate
• Headquarters: Plymouth, Michigan, United States (USA)
• Employee distribution: United States (USA) 100%
• Latest funding: March 2023
• Founded year: 2013
• Headcount: 11-50
• LinkedIn: digested-organics-llc

Digested Organics - A Mott Company, based in Plymouth, Michigan, is a wastewater treatment and filtration solutions provider that has been operational since 2013. The company focuses on advanced technologies designed to tackle the intricate challenges of water purification and waste reduction. Their services include piloting, consulting, and manufacturing equipment tailored to meet the needs of various industries, such as food and beverage, agriculture, and waste management. With a team of experts, they offer solutions that not only ensure regulatory compliance but also promote environmental sustainability. Recently acquired by Mott Corporation, Digested Organics is positioned to leverage additional resources and expertise, further enhancing its service offerings in the wastewater treatment sector. Their commitment to turning waste into valuable resources and reducing operational costs underscores their relevance in the industry.

8. Gordon Water Systems

• Website: gordonwater.com
• Ownership type: Family Owned
• Headquarters: Kalamazoo, Michigan, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 1973
• Headcount: 11-50
• LinkedIn: gordon-water-systems

Gordon Water Systems, based in Kalamazoo, Michigan, has been a family-owned water treatment company since its founding in 1973. The company specializes in providing a range of services, including water softening, filtering, and bottled water delivery. They serve both residential and commercial customers across more than 13 counties in West Michigan, with office locations in Grand Rapids, Kalamazoo, Portage, and Rockford. As an authorized dealer of Kinetico products, Gordon Water Systems offers non-electric water treatment systems that have gained recognition for their efficiency and effectiveness. The company emphasizes customer service and community engagement, reflecting their commitment to ensuring access to clean and safe water for their clients.

9. Duperon Corporation

• Website: duperon.com
• Ownership type: Family Owned
• Headquarters: Saginaw, Michigan, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 1985
• Headcount: 51-200
• LinkedIn: duperon-corporation

Duperon Corporation, based in Saginaw, Michigan, is a family-owned company that has been providing water and wastewater solutions since its inception in 1985. The firm specializes in manufacturing screening technologies and debris management systems that cater to the needs of municipalities and industrial facilities. Their product lineup includes various types of bar screens, trash racks, and debris handling systems, all designed to improve the efficiency of wastewater treatment processes. Duperon has built a reputation for reliability and innovation, with a focus on adaptive technologies that protect pumps and enhance operational efficiency. The company has a strong commitment to customer service, aiming to exceed client expectations through tailored solutions and ongoing support. With over 35 years of experience, Duperon continues to play a significant role in the water treatment industry, addressing challenges such as the removal of problematic debris like flushable wipes and fats, oils, and grease (FOG).

10. Filtra-Systems Company LLC

• Website: filtrasystems.com
• Ownership type: Private
• Headquarters: Southfield, Michigan, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 1979
• Headcount: 51-200
• LinkedIn: filtra-systems-co

Filtra-Systems Company LLC, founded in 1979 and based in Southfield, Michigan, is a private industrial filtration company that specializes in custom-engineered filtration and separation solutions. With a workforce of approximately 67 employees, the company has carved out a niche in various industries, including automotive, chemical, and oil and gas. Filtra-Systems offers a comprehensive range of products and services aimed at enhancing operational efficiency and ensuring environmental compliance. Their water treatment solutions include advanced technologies for industrial water filtration, wastewater treatment, and PFAS removal, showcasing their commitment to addressing critical environmental challenges. The company has installed over 20,797 filtration systems across 37 nations, reflecting their global reach and expertise in the field. Filtra-Systems is also ISO 9001:2015 certified, underscoring their dedication to quality and customer satisfaction.

11. Crystal Clear Water Treatment

• Website: crystalclearkalamazoo.com
• Ownership type: Private
• Headquarters: Kalamazoo, Michigan, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 1979
• Headcount: 201-500
• LinkedIn: crystal-clear-water-treatment

Crystal Clear Water Treatment, based in Kalamazoo, Michigan, has been a prominent player in the water treatment industry since its inception in 1979. The company specializes in providing a variety of solutions aimed at ensuring clean and safe water for both residential and commercial clients. Their product offerings include advanced water softeners, reverse osmosis systems, and chemical-free iron filters, all designed to meet the specific needs of their customers. With a strong emphasis on using high-quality materials, Crystal Clear Water Treatment has built a reputation for reliability and effectiveness. The company is dedicated to customer satisfaction, which is evident in their tailored services and support. Over the years, they have maintained a local focus while also reaching clients across the nation, showcasing their commitment to quality and service in the water treatment field.

12. Sali Group-ES, LLC

• Website: saligroup-es.com
• Ownership type: Private
• Headquarters: Ann Arbor, Michigan, United States (USA)
• Employee distribution: United States (USA) 58%, Indonesia 42%
• Founded year: 2002
• Headcount: 1-10
• LinkedIn: sali-group

Sali Group-ES, LLC, based in Ann Arbor, Michigan, is an engineering firm established in 2002 that specializes in the design and fabrication of industrial water and wastewater treatment systems. The company serves various sectors, including automotive, steel, food, and agriculture, providing tailored solutions to manage water resources effectively and ensure compliance with environmental regulations. With a core team of professionals boasting over 30 years of experience in the water and wastewater sector, Sali Group-ES has participated in more than 35 major automotive wastewater treatment facilities worldwide. Their projects often involve advanced technologies such as biological treatment, membrane separation, and physical-chemical processes. The firm also collaborates with local state universities on research programs, showcasing their commitment to innovation and development in the field. Sali Group-ES operates with a focus on delivering competitive value pricing, making them an attractive option for businesses seeking efficient water treatment solutions.

13. M.W. Watermark

• Website: mwwatermark.com
• Ownership type: Private
• Headquarters: Holland, Michigan, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 2003
• Headcount: 51-200
• LinkedIn: m-w-watermark

M.W. Watermark, based in Holland, Michigan, is a private company established in 2003 that specializes in wastewater treatment equipment and services. The firm offers a range of products, including filter presses, sludge dryers, and slant plate clarifiers, catering to industries such as manufacturing and mining. Their services extend beyond equipment sales; they provide field services, laboratory testing, and equipment refurbishment, ensuring that clients receive comprehensive support for their wastewater management needs. M.W. Watermark is dedicated to environmental stewardship, aiming to help businesses reduce their wastewater and solid waste disposal. Their in-house laboratory allows for tailored solutions, optimizing equipment performance and ensuring effective treatment processes. With a workforce of around 31 employees, the company maintains a strong presence in the U.S. market, focusing on quality and customer satisfaction.

14. Superior Water Treatment

• Website: superiorwaterconditioners.com
• Ownership type: Family Owned
• Headquarters: Traverse City, Michigan, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 1964
• Headcount: 1-10
• LinkedIn: superior-water-treatment

Superior Water Treatment, based in Traverse City, Michigan, is a family-owned business that has been providing innovative water treatment solutions since 1964. The company specializes in eco-friendly technologies, particularly magnetic water conditioners that effectively control scale and corrosion without the use of harmful chemicals. Their products cater to a wide range of applications, including residential, commercial, and industrial sectors. Superior Water Treatment has a strong commitment to customer support and product integrity, which has helped them build a loyal customer base. They operate through a network of dealers and have successfully completed over 400,000 installations across the United States and internationally. The company is also part of LAKOS Filtration Solutions, further enhancing its credibility and reach in the water treatment industry.

15. Besco Water Treatment

• Website: bescowater.com
• Ownership type: Private
• Headquarters: Battle Creek, Michigan, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 1960
• Headcount: 11-50
• LinkedIn: besco-water

Besco Water Treatment, Inc. is a privately owned water treatment company based in Battle Creek, Michigan. Established in 1960, the company specializes in providing solutions for water quality issues faced by both residential and commercial customers. Their product offerings include water softeners, reverse osmosis systems, and bottled water, addressing a variety of common water problems such as hard water and contaminants. With a workforce of 11 to 50 employees, Besco Water Treatment has built a reputation for reliability and customer satisfaction over the years. They operate through direct sales and an online shopping platform, making their products accessible to a wider audience. The company serves several areas in Michigan, including Battle Creek, Grand Rapids, and Lansing, and has garnered positive feedback for their knowledgeable staff and efficient service.

16. Trucent Inc.

• Website: trucent.com
• Ownership type: Private
• Headquarters: Dexter, Michigan, United States (USA)
• Employee distribution: United States (USA) 95%, Mexico 5%
• Founded year: 1997
• Headcount: 51-200
• LinkedIn: trucent

Trucent Inc., founded in 1997 and based in Dexter, Michigan, is a private company that specializes in fluid separation solutions. With a workforce of approximately 99 employees, Trucent offers a variety of services and products tailored to industries such as manufacturing, bioprocessing, and food and beverage. Their expertise includes industrial fluid purification, coolant filtration, oil purification, and notably, wastewater purification. Trucent provides expert consultation, custom engineering solutions, and maintenance services aimed at enhancing operational efficiency, minimizing waste, and ensuring product quality. The company operates primarily in the United States, with a small presence in Mexico, and has built a reputation for its comprehensive approach to fluid management and separation technologies.

17. Aquasight

• Website: aquasight.io
• Ownership type: Private
• Headquarters: Troy, Michigan, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 2015
• Headcount: 11-50
• LinkedIn: aquasight

Aquasight, founded in 2015 and based in Troy, Michigan, is a private technology firm dedicated to enhancing water management through advanced AI-driven solutions. The company offers a suite of products designed to assist water utilities and engineering firms in optimizing their operations, reducing costs, and ensuring regulatory compliance. Their platform integrates real-time monitoring and predictive maintenance capabilities, addressing critical challenges in the water sector. Aquasight's solutions, such as ATLAS for pump health, AURA for smart water distribution, and APOLLO for wastewater treatment, are utilized by over 100 cities and towns, showcasing their impact on the industry. The company is committed to continuous innovation, providing tools that help utilities manage their resources more effectively and sustainably.

18. AMSA, Inc.

• Website: amsainc.com
• Ownership type: Private
• Headquarters: Auburn, Michigan, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 1996
• Headcount: 11-50
• LinkedIn: amsa-inc

AMSA, Inc., founded in 1996 and based in Auburn, Michigan, is a private chemical manufacturer that specializes in water treatment solutions tailored for cooling systems. The company develops a range of products aimed at controlling biofilm and ensuring clean surfaces in various industrial applications. Their clientele primarily includes businesses in manufacturing and power generation, sectors that require efficient cooling water management to optimize operations. AMSA's BCP® chemistry is integral to their offerings, which include programs for biofilm control and system maintenance. The company also provides technical support and resources to help clients implement effective treatment programs. With a dedicated workforce of around 20 employees, AMSA, Inc. continues to play a significant role in the water treatment industry, focusing on innovative solutions to meet the specific needs of their customers.

19. Enerco Corporation

• Website: enercocorp.com
• Ownership type: Family Owned
• Headquarters: Potterville, Michigan, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 1977
• Headcount: 11-50
• LinkedIn: enerco-corporation

Enerco Corporation, based in Potterville, Michigan, has been a significant player in the water treatment industry since its inception in 1977. The company specializes in a wide array of chemical products and services aimed at optimizing boiler and cooling systems, ensuring cleanliness and sanitation, and managing wastewater effectively. Enerco serves a variety of sectors, including manufacturing and food and beverage, focusing on enhancing system efficiency and ensuring compliance with regulatory standards. With a dedicated team of professionals, including chemists and microbiologists, Enerco operates a state-of-the-art laboratory for water analysis and treatment recommendations. Their extensive product line includes over 700 chemical products tailored for specific applications, alongside equipment designed to support their treatment solutions. Enerco's commitment to customer service is evident in their promise of free quotes within 24 hours and their proactive approach to problem-solving and support.

20. Aquosis Fluid Solutions

• Website: aquosis.com
• Ownership type: Private
• Headquarters: Maple City, Michigan, United States (USA)
• Employee distribution: Canada 100%
• Founded year: 2006
• Headcount: 51-200
• LinkedIn: aquatech-pump-and-power-inc

Aquosis Fluid Solutions, based in Maple City, Michigan, is a private company founded in 2006. With a workforce of around 21 employees, the company focuses on fluid management technology, offering a range of products that include battery-powered pumps and dewatering solutions. Their clientele primarily consists of businesses and organizations in the construction and environmental services sectors, which rely on Aquosis for their expertise in enhancing operational efficiency and achieving high returns on investment. The company is recognized for its innovative approach, particularly with the introduction of North America’s first battery-powered trash and dewatering pump, showcasing their commitment to advancing technology in fluid management. Aquosis also provides tailored solutions driven by their extensive experience in dewatering, bypass, and filtration engineering, making them a valuable partner in the water treatment industry.

21. Weiss Construction

• Website: weissconstruction.com
• Ownership type: Family Owned
• Headquarters: Novi, Michigan, United States (USA)
• Employee distribution: United States (USA) 97%, France 3%
• Founded year: 1969
• Headcount: 51-200
• LinkedIn: weiss-construction-co-llc

Weiss Construction, based in Novi, Michigan, is a family-owned company that has been operating since 1969. With a workforce of approximately 93 employees, the firm specializes in the construction of water and wastewater infrastructure. Over the decades, Weiss Construction has completed more than 1,000 projects, amassing a contract value exceeding $1 billion. Their portfolio includes a variety of essential facilities such as treatment plants, pumping stations, and reservoirs. The company prides itself on its self-performing capabilities, which allow them to manage a significant portion of the construction process directly. This approach not only enhances efficiency but also ensures adherence to quality and safety standards. Weiss Construction has built strong relationships with local municipalities and government entities, positioning itself as a trusted contractor in the water treatment industry.

22. Mersino Water Solutions

• Website: mersino.com
• Ownership type: Family Owned
• Headquarters: Auburn Hills, Michigan, United States (USA)
• Employee distribution: United States (USA) 99%, Other 1%
• Latest funding: Other (Debt), $20.0M, May 2018
• Founded year: 1988
• Headcount: 501-1000
• LinkedIn: mersino-dewatering

Mersino Water Solutions, based in Auburn Hills, Michigan, has been a key player in the water management industry since its founding in 1988. As a family-owned business, Mersino specializes in providing comprehensive solutions for water-related challenges, focusing on pumping, dewatering, and trenching services. Their expertise spans multiple sectors, including agriculture, civil construction, environmental, and municipal utilities. Mersino's commitment to delivering tailored solutions is evident in their approach to projects, where they leverage their in-house engineering team to ensure optimal outcomes. The company operates a robust fleet of equipment, primarily sourced from their own manufacturer, Global Pump, which is known for its efficiency and reliability. Mersino has also secured funding, with a notable amount of $20 million in 2018, indicating their growth potential and investment in enhancing their service capabilities. This combination of experience, specialized services, and operational readiness positions Mersino as a relevant entity in the water treatment industry.

Water Treatment Insights: Key Companies in Michigan

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