The water treatment industry in Indiana is vital for ensuring access to clean and safe water in both urban and rural areas. Companies in this sector offer a range of services, including filtration, purification, and wastewater management, addressing the growing concerns about water quality and environmental sustainability. As awareness increases surrounding water pollution and scarcity, the industry is adapting by adopting innovative technologies. The shift towards more eco-friendly solutions, such as water reuse and efficient treatment processes, not only highlights the importance of this industry but also opens avenues for growth and investment opportunities.

This list features a collection of 23 water treatment companies based in Indiana, showcasing a mix of small and medium-sized firms. Founded between 1949 and 2017, with headquarters primarily in Indianapolis, these companies specialize in various aspects of water quality management. Their offerings include innovative solutions ranging from chemical treatment and filtration systems to advanced wastewater processing, catering to both residential and industrial clients.

Read on to discover top water treatment companies in Indiana.

Top 23 Water Treatment Companies in Indiana

1. Precision Chemical

• Website: precisionchem.com
• Ownership type: Private
• Headquarters: Boonville, Indiana, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 2002
• Headcount: 1-10
• LinkedIn: precision-chemical

Precision Chemical LLC, based in Boonville, Indiana, is a water treatment service provider that has been operational since 2002. The company specializes in advanced water treatment technologies and offers customized chemical solutions tailored to meet the specific needs of its clients. With a workforce of around 17 employees, Precision Chemical serves a variety of industries, including power generation, pharmaceuticals, and food processing. Their services aim to enhance water system efficiency and ensure compliance with health standards. The company operates multiple facilities in Indiana and Ohio, where they blend and develop their products. Precision Chemical is also committed to sustainability, offering green chemistry alternatives and solid chemical products that reduce environmental impact. Their extensive range of services includes waste water treatment, secondary disinfection of potable water, and Legionella analysis, showcasing their comprehensive approach to water management.

2. US Water Systems, Inc

• Website: uswatersystems.com
• Ownership type: Private
• Headquarters: Indianapolis, Indiana, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 2001
• Headcount: 51-200
• LinkedIn: us-water-systems-inc

US Water Systems, Inc., based in Indianapolis, Indiana, is a private company that specializes in water treatment solutions. Established in 2001, the firm focuses on providing effective water filtration, softening, and purification systems. Their product lineup includes advanced reverse osmosis systems, water softeners, and whole-house filtration solutions, designed to meet the needs of both residential and commercial customers. The company emphasizes quality and innovation, offering products like the All American 6 Stage Alkaline Reverse Osmosis System and the Matrixx Smart Metered Water Softener. US Water Systems also operates an online store, facilitating direct purchases for consumers. Their expertise in addressing specific water quality challenges, such as iron removal and PFAS treatment, underscores their active role in the water treatment industry.

3. Astbury Water Technology, Inc.

• Website: astburygroup.com
• Ownership type: Private
• Headquarters: Indianapolis, Indiana, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 1979
• Headcount: 51-200
• LinkedIn: astbury-water-technology-inc.

Astbury Water Technology, Inc., based in Indianapolis, Indiana, has been a key player in the water treatment industry since its inception in 1979. Originally founded as the Louis B. Astbury Company, Inc., the firm has built a strong reputation for its expertise in drinking water, wastewater, and industrial water treatment. With a dedicated team, Astbury provides a range of services including certified operations and maintenance of treatment plants, plant rehabilitation, and preventative maintenance. They also offer utility billing and laboratory analysis, catering to the needs of small to medium-sized utilities and municipalities. Their focus on regulatory compliance and efficiency underscores their commitment to environmental stewardship and client satisfaction. Astbury's operational footprint includes multiple regional offices, enhancing their ability to serve clients across various locations.

4. Covalen

• Website: covalen.com
• Ownership type: Private
• Headquarters: Indianapolis, Indiana, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 1949
• Headcount: 11-50
• LinkedIn: covalen

Covalen, based in Indianapolis, Indiana, specializes in water and wastewater management solutions. Established in 1949, the company has built a reputation for providing a wide array of products and services, including pumps, treatment plants, and emergency support for both residential and municipal clients. Covalen's operations are designed to meet the needs of engineers, builders, and homeowners, ensuring that all solutions comply with environmental standards. The company has managed municipal projects for utilities for over 20 years, expanding its offerings to include packaged water and wastewater treatment plants, booster stations, and UV disinfection equipment. Covalen also manufactures its own line of floating aeration and mixing equipment for lagoons and equalization basins, showcasing their commitment to innovation in the water treatment sector.

5. Thermal Process Systems Inc

• Website: thermalprocess.com
• Ownership type: Private
• Headquarters: Crown Point, Indiana, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 1995
• Headcount: 11-50
• LinkedIn: thermal-process-systems-inc

Thermal Process Systems Inc, founded in 1995 and based in Crown Point, Indiana, is a private company that specializes in biosolids management. With a team of 17 employees, the company has carved out a niche in the wastewater treatment industry by offering innovative solutions tailored to the needs of water reclamation facilities. Their proprietary processes, including the ThermAer and ExCalibAer systems, focus on enhancing biosolids treatment efficiency, achieving significant reductions in volatile solids, and ensuring compliance with environmental regulations. Thermal Process Systems is dedicated to providing comprehensive support to its clients, which includes technical guidance and spare parts sales. Their expertise in biosolids processing and commitment to sustainability make them a notable entity in the water treatment sector.

6. Reynolds Construction, LLC

• Website: reynoldscon.com
• Ownership type: Private
• Headquarters: Orleans, Indiana, United States (USA)
• Employee distribution: United States (USA) 95%, Nigeria 2%, Tanzania 2%
• Founded year: 2017
• Headcount: 201-500
• LinkedIn: reynoldsconstructionllc

Reynolds Construction, LLC, based in Orleans, Indiana, is a construction firm that specializes in water, wastewater, and renewable energy infrastructure. Founded in 2017, the company has roots tracing back to the mid-1930s, showcasing a long history in the water resource construction sector. Reynolds provides a range of services, including the construction of water treatment plants, wastewater treatment facilities, and pipeline installations. They cater primarily to government and industrial clients, ensuring that their projects meet the highest standards of quality and sustainability. With a workforce of approximately 250 employees, Reynolds has successfully completed over 19 million feet of pipeline installations and has a strong portfolio of municipal and industrial water treatment contracts. Their commitment to self-performing 65-85% of their projects enhances their ability to manage costs and timelines effectively.

7. Wessler Engineering

• Website: wesslerengineering.com
• Ownership type: Private
• Headquarters: Indianapolis, Indiana, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 1975
• Headcount: 51-200
• LinkedIn: wessler-engineering

Wessler Engineering, founded in 1975 and based in Indianapolis, Indiana, is a private engineering firm with a workforce of approximately 109 employees. The company specializes in environmental and water resource management services, catering primarily to municipalities and organizations. Their expertise spans various areas, including drinking water treatment, wastewater management, and stormwater solutions. Wessler Engineering emphasizes collaboration and compliance with environmental standards, ensuring that their projects meet regulatory requirements. They have been involved in significant projects, such as the Indianapolis Airport's stormwater and deicing capacity project, which received the ACEC Grand Project Award. This recognition reflects their commitment to innovative and effective water management solutions. With multiple locations across Indiana and Ohio, Wessler Engineering continues to play a vital role in addressing water treatment challenges in the communities they serve.

8. EasyWater

• Website: easywater.com
• Ownership type: Family Owned
• Headquarters: Fishers, Indiana, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 1986
• Headcount: 51-200
• LinkedIn: easywater

EasyWater, based in Fishers, Indiana, is a family-owned water treatment company founded in 1986. The company specializes in providing innovative solutions to address various water quality issues for both residential and commercial clients. Their product lineup includes the popular No-Salt Conditioner, which effectively tackles hard water problems without the use of salt or chemicals. EasyWater also offers a range of filtration systems, such as the RevitaLife RO system, designed to remove toxins and enhance the taste of drinking water. With a focus on reducing water waste and energy consumption, EasyWater has established itself as a reliable provider of water treatment solutions. Their commitment to customer service is evident through their free water testing and support services, ensuring that clients receive tailored solutions for their specific water challenges.

9. Rabb Kinetico Water Systems

• Website: rabbkinetico.com
• Ownership type: Private
• Headquarters: Warsaw, Indiana, United States (USA)
• Founded year: 1951
• Headcount: 51-200
• LinkedIn: rabb-kinetico-water-systems

Rabb Kinetico Water Systems, based in Warsaw, Indiana, has been a prominent player in the water treatment industry since its founding in 1951. The company specializes in water purification, softening, and filtration, serving both residential and commercial customers across North Central Indiana. Their product range includes water softeners, drinking water systems, and specialty treatment systems, all designed to address specific water quality issues. As an authorized independent dealer of Kinetico products, Rabb Water Systems offers advanced non-electric water softeners and filtration solutions that are recognized for their efficiency and effectiveness. The company prides itself on its customer-centric approach, providing free water analyses to ensure that clients receive tailored solutions that meet their unique needs. With a commitment to quality and service, Rabb Kinetico Water Systems has built a reputation for reliability and expertise in the water treatment field.

10. Atom Chemical

• Website: atomchemical.com
• Ownership type: Private
• Headquarters: Georgetown, Indiana, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 1994
• Headcount: 11-50
• LinkedIn: atom-chemical

Atom Chemical, founded in 1994 and based in Georgetown, Indiana, is a private company specializing in industrial and commercial water treatment solutions. With a workforce of 11 to 50 employees, Atom Chemical has carved out a niche in providing tailored water management services. Their offerings include glycol services, acid cleaning, legionella testing, and wastewater management, among others. The company serves a variety of sectors, including automotive, food and beverage, healthcare, and more, demonstrating their adaptability to different industrial needs. Atom Chemical emphasizes the importance of maintaining efficient and safe water systems, which is crucial for their clients' operational success. Their approach combines advanced chemical processes with a commitment to customer service, aiming to extend the life of machinery and reduce costs for their clients. This focus on specialized service and customer care has allowed Atom Chemical to maintain relevance in the competitive water treatment industry.

11. Water Solutions Unlimited

• Website: getwsu.com
• Ownership type: Private
• Headquarters: Indianapolis, Indiana, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 1987
• Headcount: 11-50
• LinkedIn: water-solutions-unlimited

Water Solutions Unlimited, based in Indianapolis, Indiana, is a private chemical supplier that specializes in water treatment and sanitation solutions. Founded in 1987, the company has built a solid reputation over the past 35 years, serving municipal, industrial, and agricultural sectors. They offer a wide array of products and services, including water treatment chemicals, wastewater treatment solutions, and toll blending services. With three manufacturing locations in Camby, IN, East Peoria, IL, and Jackson, MI, Water Solutions Unlimited ensures efficient distribution and timely delivery of their products. Their operations are characterized by a strong emphasis on customer service, providing tailored solutions to meet specific client needs. The company also engages in water testing, treatment system design, installation, maintenance, and repair, showcasing their comprehensive approach to water quality management.

12. B.L. Anderson

• Website: blanderson.com
• Ownership type: Private
• Headquarters: Lafayette, Indiana, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 1961
• Headcount: 11-50
• LinkedIn: b-l-anderson

B.L. Anderson Company, Inc., founded in 1961, operates as a manufacturing representative in the environmental processing industry, with a strong emphasis on water and wastewater treatment. Based in Lafayette, Indiana, the company serves municipal water treatment facilities across Indiana, Southern Ohio, and Kentucky. B.L. Anderson is dedicated to ensuring these facilities operate efficiently by providing vital parts and services. Their extensive inventory includes flow meters, valves, and other essential components, allowing for quick delivery and support. The company also prioritizes customer education, offering training sessions and seminars to keep clients informed about new technologies and best practices. With a team of experienced professionals, B.L. Anderson has built a reputation as a reliable resource for both supply and service in the water treatment industry.

13. Peerless Midwest, Inc.

• Website: peerlessmidwest.com
• Ownership type: Private
• Headquarters: Mishawaka, Indiana, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 1973
• Headcount: 51-200
• LinkedIn: peerless-midwest-inc-

Peerless Midwest, Inc., based in Mishawaka, Indiana, has been a prominent player in the water supply and fire protection sectors since its inception in 1973. The company specializes in a wide array of services, including well drilling, water treatment, wastewater systems, and hydrogeological services. With a workforce of over 100 professionals, Peerless Midwest operates across multiple states, providing essential solutions to municipalities and rural communities. Their commitment to customer service is evident in their long-standing relationships with clients, which have been cultivated over decades. The company also emphasizes the importance of innovation, utilizing the latest technologies in their operations. As an employee-owned entity, Peerless Midwest fosters a culture of accountability and dedication among its staff, further enhancing its service quality. Their extensive experience and comprehensive service offerings position them as a reliable partner in the water treatment industry.

14. Pro Products

• Website: proproducts.com
• Ownership type: Private
• Headquarters: Fort Wayne, Indiana, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 1995
• Headcount: 11-50
• LinkedIn: pro-products

Pro Products LLC, based in Fort Wayne, Indiana, has been a significant player in the water treatment and irrigation solutions market since its inception in 1995. The company specializes in formulating, manufacturing, and marketing a variety of products designed to enhance water quality and maintain irrigation systems for both commercial and residential applications. Their product lineup includes water softener cleaners, corrosion control solutions, and water testing kits, among others. Pro Products emphasizes sustainability in its operations, implementing recycling programs and striving to reduce greenhouse gas emissions and water usage. The company is ISO 9001:2015 certified, reflecting its commitment to quality management. Additionally, Pro Products has established a strong distributor network, allowing them to reach a wide customer base. Their focus on continuous improvement and customer satisfaction further solidifies their position in the water treatment industry.

15. Commonwealth Engineers, Inc.

• Website: commonwealthengineers.com
• Ownership type: Corporate
• Headquarters: Indianapolis, Indiana, United States (USA)
• Employee distribution: United States (USA) 100%
• Latest funding: February 2014
• Founded year: 1974
• Headcount: 51-200
• LinkedIn: commonwealth-engineers-inc.

Commonwealth Engineers, Inc., founded in 1974 and based in Indianapolis, Indiana, is an engineering firm that specializes in water resource management and consulting services. With a workforce of approximately 146 employees, the company provides comprehensive solutions for wastewater treatment, potable water systems, stormwater management, and civil engineering projects. Their clientele includes municipalities and private sector organizations, reflecting their capability to handle a wide range of infrastructure development and regulatory compliance challenges. The firm prides itself on its holistic approach to engineering, integrating technical considerations with affordability and regulatory requirements. Commonwealth Engineers has been involved in numerous projects aimed at enhancing community infrastructure, ensuring safe drinking water, and managing stormwater effectively. Their commitment to sustainability and innovative solutions positions them as a key player in the water treatment sector.

16. Solution Group

• Website: solutionmgt.com
• Ownership type: Private
• Headquarters: Indianapolis, Indiana, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 2010
• Headcount: 51-200
• LinkedIn: solutionmgt

Solution Group, based in Indianapolis, Indiana, is a private company founded in 2010. It specializes in renewable energy and wastewater treatment solutions, catering to a variety of clients including businesses in food manufacturing, agriculture, and municipalities. The company offers a range of services that include wastewater treatment, monitoring and optimization, and renewable energy generation. Their approach focuses on helping clients optimize waste management processes and reduce operational costs through innovative energy solutions. Notably, Solution Group has achieved impressive results for its clients, such as a food manufacturer saving over $2 million by converting wastewater into energy. Their commitment to compliance and safety further enhances their standing in the industry, making them a relevant player in the water treatment sector.

17. IWC Innovations

• Website: iwcinnovations.com
• Ownership type: Private
• Headquarters: Indianapolis, Indiana, United States (USA)
• Employee distribution: United States (USA) 93%, India 7%
• Founded year: 2016
• Headcount: 11-50
• LinkedIn: innovativewater

IWC Innovations, founded in 2016 and based in Indianapolis, Indiana, is a private company dedicated to water safety and treatment. With a team of skilled water specialists, the company focuses on Legionella management and offers a comprehensive suite of services, including water testing, remediation, and tailored water management plans. IWC Innovations serves a variety of sectors such as healthcare, education, hospitality, and commercial industries, ensuring compliance with health standards and maintaining safe water systems. Their expertise extends to high-purity water solutions, catering to industries that require stringent water quality standards. The company operates across all 50 U.S. states, Canada, and the Caribbean, demonstrating a broad reach in the water treatment market. IWC Innovations emphasizes the importance of proactive water safety measures, making them a relevant player in the industry.

18. National Water Services LLC.

• Website: national-water.com
• Ownership type: Private
• Headquarters: Paoli, Indiana, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 2002
• Headcount: 51-200
• LinkedIn: national-water-services-llc

National Water Services LLC, based in Paoli, Indiana, is a private company founded in 2002. The firm specializes in essential water services, including groundwater exploration, well construction, and wastewater treatment. They serve a range of clients, from municipalities to businesses, ensuring effective management and maintenance of water systems. With a team that boasts over 500 years of cumulative experience, National Water Services is well-equipped to tackle the complexities of modern water management. Their innovative approaches, such as patented well rehabilitation techniques and predictive maintenance for pumps, demonstrate their commitment to enhancing water resource efficiency. The company operates across several states, including Indiana, Kentucky, and Ohio, and emphasizes safety and quality in their service delivery.

19. Airvac - Vacuum Sewer Collection Systems

• Website: airvac.com
• Ownership type: Private
• Headquarters: Rochester, Indiana, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 1969
• Headcount: 51-200
• LinkedIn: airvac-roediger-vacuum-technology

Airvac - Vacuum Sewer Collection Systems, founded in 1969 and based in Rochester, Indiana, is a private company that specializes in vacuum sewer technology. They provide innovative and eco-friendly wastewater management solutions tailored for municipalities and industrial facilities. Airvac's offerings include a range of vacuum sewer components, engineering, and planning services. Their products are designed to facilitate effective wastewater conveyance, making them essential for projects that require reliable and efficient sewer systems. The company has a strong commitment to quality, as evidenced by their ISO-9001:2015 certification, ensuring that their products meet stringent regulatory standards. Airvac's customer base includes city planners, construction companies, and wastewater treatment plants, highlighting their integral role in the water treatment industry. They also engage in community-focused initiatives and emphasize environmental sustainability in their operations.

20. Bowen

• Website: bowensqp.com
• Ownership type: Private
• Headquarters: Indianapolis, Indiana, United States (USA)
• Employee distribution: United States (USA) 99%
• Founded year: 1967
• Headcount: 501-1000
• LinkedIn: bowen-engineering-corporation

Bowen, founded in 1967 and based in Indianapolis, Indiana, is a private construction company with a workforce of approximately 514 employees. The firm specializes in engineering, procurement, and construction (EPC) services across various sectors, including water and wastewater, energy, and industrial markets. Bowen has a notable track record in the water treatment industry, having constructed over 1,000 treatment facilities. Their expertise spans multiple treatment technologies, including physical, chemical, and biological processes. Bowen is particularly recognized for its work in addressing contaminants such as PFAS, PFOS, and PFOA, which are critical issues in modern water treatment. The company serves both private and municipal clients, emphasizing compliance and efficiency in project delivery. Their self-performing capabilities allow them to maintain control over safety, quality, and scheduling, which enhances their project outcomes.

21. Office H2O

• Website: officeh2o.com
• Ownership type: Family Owned
• Headquarters: Indianapolis, Indiana, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 2015
• Headcount: 51-200
• LinkedIn: officeh2o

Office H2O, founded in 2015 and based in Indianapolis, Indiana, is a family-owned company that specializes in providing bottleless water coolers and ice machines. With a workforce of around 61 employees, the company has established itself as a significant player in the hydration solutions market, particularly in the Midwest. Office H2O focuses on advanced filtration systems that ensure the delivery of high-quality drinking water, boasting a 98% purity level through a patented five-stage purification process. Their systems utilize UVC-LED technology to protect against pathogens, making them a safer alternative to traditional bottled water units. The company emphasizes customer service excellence, with a commitment to quick response times and reliable service. They have successfully installed over 17,000 machines, serving more than 600,000 consumers. Office H2O is dedicated to reducing plastic waste and carbon emissions by promoting bottleless solutions, which aligns with current environmental trends. Their offerings cater to businesses of all sizes, providing customizable hydration solutions that include hot, cold, and sparkling water options.

22. C&J Well Co.

• Website: cj4water.com
• Ownership type: Family Owned
• Headquarters: Brownsburg, Indiana, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 1996
• Headcount: 11-50
• LinkedIn: c%26j-well-drilling

C&J Well Co. is a family-owned well drilling and water treatment company based in Brownsburg, Indiana. Founded in 1996, the company has built a reputation for providing essential services to homeowners and businesses in Central Indiana. Their expertise includes well maintenance, inspections, and geothermal drilling, all aimed at ensuring a reliable water supply and high water quality. C&J Well Co. also offers a range of water treatment solutions, including water softeners and reverse osmosis systems, through their sister company. With a dedicated team of skilled technicians, they prioritize customer satisfaction and quick response times, particularly in emergency situations. Their commitment to quality service and community support has established them as a trusted provider in the water treatment industry.

23. Toric Engineering

• Website: toriceng.com
• Ownership type: Private
• Headquarters: Danville, Indiana, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 2003
• Headcount: 11-50
• LinkedIn: toric-engineering

Toric Engineering, founded in 2003 and based in Danville, Indiana, specializes in engineering services tailored for water and wastewater management. With a dedicated team of approximately 33 employees, the company offers a range of services including system integration, panel manufacturing, and field services. Their work primarily supports municipalities and industrial clients, ensuring the reliable operation of control systems essential for effective water treatment. Toric Engineering also emphasizes logistics, managing the delivery of products directly to job sites, which enhances their service efficiency. Their projects span various aspects of water and wastewater systems, showcasing their commitment to quality and innovation in the industry.

Water Treatment Insights: Key Companies in Indiana

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