Water treatment companies in Minnesota play a vital role in delivering safe and sustainable water. They tackle issues like hard water, wastewater management, and the purification of drinking water. The industry features diverse players, from innovative startups to established firms specializing in filtration systems, softeners, and treatment plants. As regulations tighten and environmental concerns rise, the focus is shifting towards eco-friendly solutions and advanced technologies. This is vital for maintaining water quality in both residential and industrial applications, aligning the industry with broader sustainability efforts while supporting public health and safety.

This list includes 21 notable water treatment companies based in Minnesota, representing a range of sizes from small businesses to larger corporations. Established years span from 1946 to 2023, reflecting a mix of historical expertise and modern innovation. Many of these companies are headquartered in key locations like Minneapolis and Chanhassen, focusing on specialized solutions such as water filtration, purification, and management, catering to industries including healthcare, agriculture, and municipal services.

Continue reading to learn about Minnesota's top water treatment companies.

Top 21 Water Treatment Companies in Minnesota

1. Kurita America

• Website: kuritaamerica.com
• Ownership type: Private
• Headquarters: Minneapolis, Minnesota, United States (USA)
• Employee distribution: United States (USA) 98%, Canada 2%
• Founded year: 1949
• Headcount: 501-1000
• LinkedIn: kurita-america-inc.

Kurita America, based in Minneapolis, Minnesota, is a water treatment solutions provider that has been operational since 1949. The company specializes in delivering a wide array of services and products aimed at enhancing water quality and promoting sustainability. They cater to various sectors, including biofuels, healthcare, food and beverage, and heavy industry. Kurita America focuses on helping businesses comply with environmental regulations while improving operational efficiency. Their innovative approach, known as the Total Solutions method, integrates chemistries, equipment, engineering, and services to address complex water treatment challenges. This holistic strategy not only aims to optimize water management but also emphasizes long-term partnerships with clients to foster sustainable practices. Kurita America is part of the Kurita Group, which is recognized globally for its expertise in water treatment and environmental solutions.

2. EcoWater Systems LLC

• Website: ecowater.com
• Ownership type: Corporate
• Headquarters: Woodbury, Minnesota, United States (USA)
• Employee distribution: United States (USA) 86%, China 7%, Canada 3%, Other 5%
• Latest funding: March 2024
• Founded year: 1925
• Headcount: 201-500
• LinkedIn: ecowater-systems-llc

EcoWater Systems LLC, based in Woodbury, Minnesota, is a prominent water treatment company that has been operational since 1925. The firm specializes in addressing hard water issues and enhancing water quality through a variety of products, including water softeners, drinking water systems, and filtration solutions. EcoWater also offers consultation and installation services, catering to both homeowners and businesses. Their extensive dealer network ensures that customers receive expert assistance tailored to their specific water challenges. The company places a strong emphasis on research and development, which drives their innovation in product design and technology. EcoWater's systems are rigorously tested for quality and performance, ensuring they meet high standards for reliability and effectiveness in improving water quality.

3. Aeration Industries International

• Website: aireo2.com
• Ownership type: Private
• Headquarters: Chaska, Minnesota, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 1974
• Headcount: 11-50
• LinkedIn: aeration-industries-international

Aeration Industries International, based in Chaska, Minnesota, has been a player in the water treatment sector since its inception in 1974. The company specializes in aeration technologies, which are essential for effective wastewater treatment. Their systems are designed to enhance the efficiency of biological treatment processes, making them suitable for various applications, including municipal wastewater treatment and industrial processes. Aeration Industries International serves a range of clients, from local municipalities to larger industrial operations, providing tailored solutions that meet regulatory compliance and environmental standards. Their commitment to innovation and sustainability positions them as a significant contributor to the water treatment industry.

4. Wigen Water Technologies

• Website: wigen.com
• Ownership type: Private
• Headquarters: Minneapolis, Minnesota, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 1965
• Headcount: 51-200
• LinkedIn: wigen-water-technologies

Wigen Water Technologies, based in Chaska, Minnesota, has been a player in the water treatment industry since its inception in 1965. The company specializes in manufacturing custom water treatment systems tailored to meet the specific needs of various sectors, including municipal, industrial, and ultrapure water applications. Wigen's product offerings include advanced technologies such as reverse osmosis, ultrafiltration, and membrane bioreactor systems, among others. Their services extend beyond product provision, offering specification assistance, parts and repair, and remote monitoring. Wigen has a strong focus on customer satisfaction, supported by their Advantage Service Assurance Program (ASAP). The company has been involved in notable projects, including advanced water reuse systems and upgrades for water treatment facilities, showcasing their expertise and commitment to innovation. Wigen operates not only in North America but also markets its solutions in Europe and Asia, reflecting its global outreach and influence in the water treatment sector.

5. Mar Cor Purification

• Website: mcpur.com
• Ownership type: Corporate
• Headquarters: Plymouth, Minnesota, United States (USA)
• Latest funding: $4.6B, January 2021
• Founded year: 1971
• Headcount: 201-500
• LinkedIn: mar-cor-purification

Mar Cor Purification, based in Plymouth, Minnesota, has been a significant player in the water filtration industry since its founding in 1971. The company specializes in medical and industrial water purification systems, catering primarily to hospitals, clinics, and industrial laboratories. Their product range includes dialysis water treatment systems, high purity water systems, and various disinfection and filtration products. Mar Cor is particularly known for its advanced solutions in hemodialysis water treatment, ensuring that healthcare facilities have access to safe and reliable water for patient care. The company also provides extensive support services, including equipment installation and preventative maintenance, which are crucial for maintaining the integrity of water systems in critical applications. With a workforce of approximately 227 employees, Mar Cor continues to play a vital role in ensuring water quality across various sectors.

6. Vessco Holdings

• Website: vesscoholdings.com
• Ownership type: Private
• Headquarters: Chanhassen, Minnesota, United States (USA)
• Founded year: 2018
• Headcount: 11-50
• LinkedIn: vessco-holdings

Vessco Holdings, now known as Vessco Water, is a water treatment solutions provider based in Chanhassen, Minnesota. Founded in 2018, the company specializes in delivering innovative equipment and services tailored for municipal and industrial markets. Vessco Water focuses on cleaning, delivering, and reclaiming water, serving a wide range of industries such as food and beverage, pharmaceuticals, and mining. The company operates through a family of companies, which enhances its service offerings and allows for a collaborative approach to water treatment solutions. Vessco Water is committed to environmental stewardship and aims to transform the water treatment industry by providing exceptional products and services. Their mission emphasizes building strength and stability through partnerships with manufacturers and a dedication to customer satisfaction.

7. Water Control Corporation

• Website: watercontrolinc.com
• Ownership type: Private
• Headquarters: Ramsey, Minnesota, United States (USA)
• Employee distribution: United States (USA) 92%, United Kingdom (UK) 8%
• Founded year: 1971
• Headcount: 11-50
• LinkedIn: water-control-corporation-inc

Water Control Corporation, founded in 1971 and based in Ramsey, Minnesota, is a private company specializing in water treatment solutions. With a workforce of approximately 26 employees, the company has built a reputation for addressing complex water quality challenges across both commercial and residential sectors. Their product range includes water softeners, high-purity water systems, and various specialty water treatment solutions. They serve a diverse clientele, including architects, engineers, plumbing contractors, and homeowners, who rely on their expertise to tackle difficult water issues. Water Control Corporation also emphasizes a comprehensive approach, offering services that span from system design and documentation to fabrication and commissioning. Their commitment to quality and customer service is evident in their extensive experience and the breadth of their service offerings.

8. Apex Water and Process

• Website: teamapex.com
• Ownership type: Private
• Headquarters: Saint Michael, Minnesota, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 2023
• Headcount: 201-500
• LinkedIn: apex-water-process

Apex Water and Process, founded in 2023 and based in Saint Michael, Minnesota, is a private company specializing in water treatment solutions. The firm provides tailored services to various sectors, including agriculture, healthcare, and industrial manufacturing. With a focus on optimizing operations, ensuring compliance, and enhancing sustainability, Apex leverages advanced technology and expert knowledge to address the unique challenges faced by its clients. The company offers a range of services, from water safety assessments to on-site support and reliable equipment solutions. Their approach is characterized by a commitment to collaboration, aiming to develop strategies that align with the operational goals of their partners. Although Apex is a new player in the industry, it combines the expertise of several established entities, positioning itself as a capable provider of water treatment solutions.

9. Jaytech Water Solutions

• Website: jaytech.com
• Ownership type: Private
• Headquarters: Fridley, Minnesota, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 1977
• Headcount: 11-50
• LinkedIn: jaytech-water-management-solutions

Jaytech Water Solutions, founded in 1977 and based in Fridley, Minnesota, specializes in comprehensive water treatment services tailored for industrial, commercial, and healthcare facilities. The company offers a range of solutions, including steam boiler and cooling tower water treatment, chemical water treatment, and water analysis and consulting. With a workforce of approximately 44 employees, Jaytech emphasizes customized treatment plans designed to meet the unique needs of each client. Their commitment to safety and efficiency is evident in their proactive approach to waterborne pathogen testing and audits. Over the years, Jaytech has built a reputation for reliability and professionalism, making them a trusted partner for organizations seeking to optimize their water treatment processes. They maintain several offices across the central U.S., allowing them to effectively support their clients' needs.

10. International Chemtex

• Website: chemtexcorp.com
• Ownership type: Family Owned
• Headquarters: Lakeville, Minnesota, United States (USA)
• Employee distribution: United States (USA) 95%, Mexico 5%
• Founded year: 1978
• Headcount: 51-200
• LinkedIn: chemtexcorp

International Chemtex, based in Lakeville, Minnesota, has been a dedicated provider of water treatment solutions since its inception in 1978. The company specializes in treating water for heating, cooling, and wastewater systems, catering to industries such as food processing and mining. With a workforce of around 56 employees, Chemtex prides itself on its customer-centric approach and commitment to environmental sustainability. Their product offerings include boiler water treatment, cooling water treatment, and wastewater management solutions, among others. Chemtex also provides a range of services, including consultations, lab support, and regulatory management, ensuring that clients meet compliance standards while optimizing their operations. The company operates with an ISO 9001:2015 certification, underscoring its dedication to quality and efficiency. Chemtex's focus on innovative solutions and customer service positions it as a relevant player in the water treatment industry.

11. Packard Culligan Water

• Website: culliganwater.com
• Ownership type: Family Owned
• Headquarters: Minnetonka, Minnesota, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 1946
• Headcount: 501-1000
• LinkedIn: packard-culligan-water

Packard Culligan Water, based in Minnetonka, Minnesota, is a family-owned water treatment company that has been serving customers since 1946. The company specializes in enhancing water quality through a variety of products and services tailored for residential, commercial, and industrial applications. Their offerings include water softeners, filtration systems, and bottled water delivery, which are designed to meet the growing demand for clean and safe water. Culligan Water also provides maintenance, installation, and emergency services, ensuring that customers receive comprehensive support for their water treatment needs. With a dedicated team of experts, Packard Culligan Water is committed to delivering high-quality water solutions and maintaining customer satisfaction across the United States.

12. Apollo Water Services

• Website: apollowaterservices.com
• Ownership type: Private
• Headquarters: Chanhassen, Minnesota, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 2001
• Headcount: 51-200
• LinkedIn: apollowaterservices

Apollo Water Services, based in Chanhassen, Minnesota, is a private company founded in 2001. With a workforce of approximately 42 employees, the firm specializes in water treatment services, focusing on solutions for water management that include chemical treatments and environmental assistance. Their clientele primarily consists of businesses and organizations that require effective water treatment to ensure compliance and operational efficiency. Apollo Water Services prides itself on providing customized services and products tailored to meet the specific needs of its clients. The company operates under the umbrella of Apollo Technology Group LLC, which allows it to leverage broader capabilities while maintaining a focus on delivering unique solutions. Their offerings include water balance modeling, chemical treatments for cooling towers and boilers, and on-site services, showcasing their comprehensive approach to water management.

13. Water Doctors Water Treatment Co.

• Website: waterdrs.com
• Ownership type: Private
• Headquarters: Minneapolis, Minnesota, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 1984
• Headcount: 11-50
• LinkedIn: hoey-marketing-inc.-dba-water-doctors-water-co.

Water Doctors Water Treatment Co. is a Minnesota-based company that has been providing water filtration solutions since 1984. With a focus on both residential and commercial markets, they offer a range of products including drinking water systems, whole home filtration units, and water softeners. The company is known for addressing various water quality issues, such as iron and arsenic removal, ensuring that customers receive clean and safe water. Water Doctors prides itself on its custom-engineered solutions, designed to meet the specific needs of its clients. They are also a member of several industry associations, which underscores their commitment to quality and innovation in water treatment. Over the years, they have received multiple awards for their products and services, reflecting their expertise and dedication to the field. Their experienced staff is equipped to assist customers in selecting, designing, and installing the right water filtration systems for their needs, further solidifying their role in the water treatment industry.

14. Commers The Water Company

• Website: commers.com
• Ownership type: Family Owned
• Headquarters: Blaine, Minnesota, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 1947
• Headcount: 11-50
• LinkedIn: commers-water

Commers The Water Company, based in Blaine, Minnesota, has been a trusted name in water treatment since its founding in 1947. This family-owned business specializes in providing water softening and purification solutions tailored to the needs of both residential and commercial customers in the Twin Cities metro area. Their offerings include a variety of water softeners, drinking water systems, and emergency repair services, ensuring that clients have access to high-quality water. Commers also emphasizes customer service, providing free water testing and 24-hour emergency services. With three convenient locations in Blaine, Golden Valley, and Burnsville, they cater to a wide range of communities, addressing common water quality issues such as hardness and contaminants. Their commitment to using advanced technology, like their Water Efficient Technology (W.E.T.), showcases their focus on efficiency and sustainability in water treatment.

15. Shank Constructors

• Website: shankconstructors.com
• Ownership type: Private
• Headquarters: Brooklyn Park, Minnesota, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 1965
• Headcount: 51-200
• LinkedIn: shank-constructors

Shank Constructors, based in Brooklyn Park, Minnesota, has been a significant player in the construction of water and wastewater facilities since its founding in 1965. The company has built a reputation for delivering high-quality technical solutions at competitive prices. Their expertise lies specifically in the construction of water treatment plants and related infrastructure, serving clients primarily across the Midwest. Over the years, Shank Constructors has successfully completed hundreds of projects, showcasing their commitment to innovation and excellence in the water treatment sector. Their team comprises skilled engineers and constructors who ensure that each project meets stringent quality and safety standards. With a focus on water reclamation and treatment, Shank Constructors continues to play a vital role in enhancing the water infrastructure that communities rely on.

16. Vessco Water

• Website: vesscowater.com
• Ownership type: Private
• Headquarters: Chanhassen, Minnesota, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 2018
• Headcount: 51-200
• LinkedIn: vessco-holdings

Vessco Water, based in Chanhassen, Minnesota, is a private company that specializes in the distribution of water treatment equipment. Established in 2018, Vessco Water serves both municipal and industrial markets, providing innovative solutions that ensure the delivery of clean water for various applications. The company operates through a network of affiliated companies across the United States, each recognized for their expertise in specific segments of the water and wastewater treatment industries. Vessco Water's offerings include flow control, automation, process equipment, and pump services, among others. Their mission is to transform the water treatment industry by fostering collaboration and synergy among their companies, which enhances their service delivery and operational efficiency. This commitment to innovation and environmental stewardship positions Vessco Water as a significant contributor to the water treatment sector.

17. ECOsmarte

• Website: ecosmarte.com
• Ownership type: Private
• Headquarters: Minneapolis, Minnesota, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 1994
• Headcount: 11-50
• LinkedIn: ecosmarte-planet-friendly-inc-

ECOsmarte, founded in 1994 and based in Minneapolis, Minnesota, is a private company specializing in water treatment solutions. The firm focuses on chlorine-free pool systems and well water treatment, providing eco-friendly alternatives to conventional chemical treatments. With a workforce of 11-50 employees, ECOsmarte has developed a reputation for its innovative products that enhance water quality while minimizing environmental impact. The company has installed its systems in all 50 U.S. states and over 130 countries, showcasing its global reach. ECOsmarte's technology is rooted in scientific advancements, including principles inspired by NASA, which allows for effective water purification without the use of harmful chemicals. Their commitment to sustainability and customer satisfaction is evident in their extensive network of resellers and the positive testimonials from users of their systems.

18. Xerxes

• Website: xerxes.com
• Ownership type: Private
• Headquarters: Minneapolis, Minnesota, United States (USA)
• Employee distribution: United States (USA) 68%, Canada 29%, Netherlands 3%
• Founded year: 1979
• Headcount: 501-1000
• LinkedIn: zclxerxes

Xerxes Corporation, founded in 1979 and based in Minneapolis, Minnesota, is a manufacturer known for its fiberglass storage tanks and stormwater management solutions. The company provides a range of products tailored for fuel, water, and wastewater applications, serving various sectors including retail and industrial. Xerxes has developed a reputation for its innovative technologies that address environmental standards and customer needs. Their product line includes fire protection water tanks, potable water tanks, rainwater harvesting tanks, and wastewater tanks, all designed to be corrosion-resistant and durable. With over 40 years of experience in tank design and manufacturing, Xerxes has shipped more than 225,000 tanks across North America. Their commitment to quality and engineering excellence positions them as a significant player in the water treatment industry.

19. Vessco, Inc.

• Website: vessco.com
• Ownership type: Private Equity
• Headquarters: Chanhassen, Minnesota, United States (USA)
• Employee distribution: United States (USA) 100%
• Latest funding: November 2020
• Founded year: 1978
• Headcount: 201-500
• LinkedIn: vesscoinc

Vessco, Inc., founded in 1978 and based in Chanhassen, Minnesota, is a water treatment company that specializes in providing equipment and service solutions tailored for municipal and industrial markets. With a workforce of approximately 25 employees, Vessco has built a reputation over its 45 years of operation for delivering reliable water treatment solutions across several states, including Minnesota, North Dakota, South Dakota, Iowa, and Nebraska. The company offers a wide range of products, including process equipment, flow control systems, and custom chemical feed solutions. Vessco's approach is centered around a 'Total Solution' philosophy, which encompasses initial project consultation, design partnering, installation assistance, and ongoing support. Their commitment to customer service is evident in their extensive inventory of spare parts and their proactive project management and service teams. Vessco is also part of the Vessco Water family, which further solidifies its position in the water treatment industry.

20. Rice Lake Construction Group

• Website: ricelake.org
• Ownership type: Private
• Headquarters: Deerwood, Minnesota, United States (USA)
• Employee distribution: United States (USA) 95%, Canada 5%
• Founded year: 1984
• Headcount: 201-500
• LinkedIn: rice-lake-construction-group

Rice Lake Construction Group, based in Deerwood, Minnesota, has been a significant player in the construction of water and wastewater treatment facilities since its establishment in 1984. The company serves both municipal and industrial clients, providing a wide range of construction services that include the building of treatment plants, lift stations, and other essential infrastructure. Rice Lake emphasizes self-performing capabilities, which allows them to manage various aspects of projects in-house, ensuring quality and efficiency. They have completed hundreds of wastewater treatment projects, showcasing their expertise in addressing the complexities of water treatment construction. As a recognized entity in the industry, Rice Lake Construction Group has also been acknowledged as an ENR Top 200 Environmental Contractor, reflecting their commitment to delivering high-quality construction services. Their operations extend primarily across the Upper Midwest, where they have built a reputation for reliability and excellence in project execution.

21. Lema

• Website: lema.io
• Ownership type: Venture Capital
• Headquarters: Saint Paul, Minnesota, United States (USA)
• Employee distribution: United States (USA) 100%
• Latest funding: Seed, $100,000, March 2022
• Founded year: 2014
• Headcount: 11-50
• LinkedIn: lema-technology

Lema, founded in 2014 and based in Saint Paul, Minnesota, is a technology company focused on renewable energy and water purification solutions. With a team of 19 employees, Lema designs and manufactures products aimed at improving access to clean water and energy, particularly in off-grid settings. Their notable product, the LEMA™ Water system, is a solar-powered hot drinking water kiosk that can treat and dispense up to 750 liters of water daily, utilizing concentrated solar energy to eliminate pathogens. This innovative solution is targeted at schools, farms, and healthcare centers, especially in regions where traditional water treatment methods are not feasible. Lema has received seed funding of $100,000 in March 2022, which supports their mission to provide sustainable solutions for critical human needs. The company is committed to American manufacturing and has established a presence in various international markets, including Kenya, Haiti, and South Sudan, where they have successfully implemented their systems.

Water Treatment Insights: Key Companies in Minnesota

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