Water treatment companies in Pennsylvania serve a vital role in managing and improving water quality. These organizations address the growing concerns regarding water pollution and sustainability through effective purification, wastewater management, and innovative technologies. Industry players include both local ventures and larger, corporate entities. Many firms specialize in specific sectors, such as agriculture, pharmaceuticals, or environmental services, ensuring tailored solutions to meet varying demands. As regulations tighten and environmental awareness rises, the industry is shifting toward sustainable practices and advanced treatment methodologies, integrating cutting-edge technologies and eco-friendly practices to enhance operational effectiveness and community wellness.

This list of top Pennsylvania water treatment companies features a mix of sizes and expertise, from small firms to large corporations. Established between 1950 and 2016, these companies range in employee count from 11 to over 3,600. Locations span across the state, with headquarters in cities like Pittsburgh, York, and Canonsburg. Each company specializes in unique areas, including ultrapure water, wastewater treatment, and innovative disinfection technologies. With a commitment to sustainability, they are well-positioned to address current water treatment challenges.

Continue reading for insights into Pennsylvania's top water treatment companies.

Top 19 Water Treatment Companies in Pennsylvania

1. Kroff, Inc.

• Website: kroff.com
• Ownership type: Private
• Headquarters: Pittsburgh, Pennsylvania, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 1988
• Headcount: 51-200
• LinkedIn: kroff-inc-

Kroff, Inc. is a water treatment company based in Pittsburgh, Pennsylvania, specializing in customized chemical and engineering solutions tailored to meet the unique needs of various industries. Since its inception in 1988, Kroff has focused on providing effective water treatment services to sectors such as agriculture, aerospace, automotive, and energy manufacture. The company prides itself on its innovative approach, employing a team of experienced professionals who develop solutions that not only address immediate water treatment challenges but also ensure compliance with evolving environmental regulations. Kroff has treated over 200 billion gallons of water and successfully removed five billion pounds of contaminants from the environment. Their commitment to sustainability is evident in their efforts to capture over 250 tons of CO2 annually. Kroff operates a state-of-the-art laboratory staffed by doctoral-level scientists, enabling them to create custom solutions that meet the specific requirements of their clients. With a focus on quality and safety, Kroff has achieved ISO-9001 certification, underscoring their dedication to maintaining high standards in their operations.

2. Tigg, LLC

• Website: tigg.com
• Ownership type: Private
• Headquarters: Oakdale, Pennsylvania, United States (USA)
• Founded year: 1977
• Headcount: 11-50
• LinkedIn: tigg-corporation

Tigg, LLC, also known as Newterra, is a water treatment company based in Oakdale, Pennsylvania. Founded in 1977, the company specializes in providing innovative solutions for both wastewater and potable water management. They serve a wide range of clients, including municipalities, private developers, and various industries such as agriculture, food and beverage, and chemical processing. Newterra offers a comprehensive suite of services, including wastewater treatment, consulting, and technical support, with a strong emphasis on sustainability and adherence to environmental regulations. Their focus on addressing emerging contaminants, such as PFAS, showcases their commitment to tackling contemporary water quality challenges. With a workforce of 11-50 employees, Newterra continues to expand its operations and capabilities, reinforcing its position in the water treatment industry.

3. Guardian CSC

• Website: guardiancsc.com
• Ownership type: Private
• Headquarters: York, Pennsylvania, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 1988
• Headcount: 51-200
• LinkedIn: guardiancsc

Guardian CSC, based in York, Pennsylvania, is a private water treatment service provider founded in 1988. The company specializes in a broad array of water treatment solutions, including monitoring, custom blending, and comprehensive water treatment plans. They cater to various industries, such as manufacturing, healthcare, food and beverage, and data centers, focusing on managing water quality and efficiency while ensuring compliance with safety standards. Guardian CSC employs certified water technologists and offers services like remote monitoring, preventative maintenance, and hands-off bulk delivery. Their commitment to energy savings and operational efficiency is evident through their innovative products and services, which aim to optimize water treatment systems for their clients. With a workforce of around 42 employees, Guardian CSC remains dedicated to providing expert care and support for water treatment systems across multiple sectors.

4. HIDROMATIC srl - Water Treatment & Management

• Website: hidromatic.it
• Ownership type: Private
• Headquarters: Modena, Pennsylvania, United States (USA)
• Employee distribution: Italy 100%
• Founded year: 1950
• Headcount: 11-50
• LinkedIn: hidromatic-srl

HIDROMATIC srl - Water Treatment & Management, based in Modena, Pennsylvania, has been a significant player in the water treatment industry since its inception in 1950. The company specializes in the design and implementation of both industrial and civil water treatment plants. With a dedicated team of engineers and technicians, HIDROMATIC focuses on providing innovative and sustainable solutions tailored to the specific needs of their clients, which include industrial businesses and municipalities. Their portfolio includes a variety of projects, such as large-scale water purification and desalination plants, showcasing their capability to handle complex water treatment challenges. The company is committed to environmental stewardship, ensuring compliance with stringent regulations while enhancing the efficiency of water management processes. Their certifications, including ISO standards, reflect their dedication to quality and safety in their operations. HIDROMATIC's ongoing research and development efforts position them well to adapt to the evolving demands of the water treatment sector.

5. Anglian Water Services

• Website: anglianwater.co.uk
• Ownership type: Corporate
• Headquarters: Huntingdon, Pennsylvania, United States (USA)
• Employee distribution: United Kingdom (UK) 99%
• Latest funding: December 2008
• Founded year: 1989
• Headcount: 5001-10000
• LinkedIn: anglian-water-services

Anglian Water Services Limited, founded in 1989, operates as a water utility company based in Huntingdon, Pennsylvania, USA. The company serves residential and business customers primarily in the East of England, focusing on the provision of clean drinking water and efficient wastewater treatment. With a workforce of approximately 3,653 employees, Anglian Water is committed to public health and environmental sustainability. Their services include monitoring water resources, treating and cleaning water, and managing sewage systems. The company also emphasizes community engagement and environmental stewardship, actively participating in initiatives aimed at improving river health and reducing pollution. Anglian Water's operations are crucial for maintaining water quality and ensuring reliable service delivery in their region.

6. H2O Solutions, Inc.

• Website: h2osolutionsinc.com
• Ownership type: Private
• Headquarters: Telford, Pennsylvania, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 1985
• Headcount: 11-50
• LinkedIn: h2o-solutions-inc

H2O Solutions, Inc., based in Telford, Pennsylvania, has been a player in the water treatment industry since its inception in 1985. The company specializes in ultrapure water applications, providing essential services to sectors that demand high-quality water, including biotechnology, pharmaceuticals, and semiconductors. Their offerings span the entire lifecycle of water purification systems, from initial needs assessment and system design to installation and ongoing maintenance. H2O Solutions prides itself on its ability to ensure compliance with stringent industry standards, which is critical for its clientele. The company operates a regeneration facility for deionization products, ensuring high-quality service and reliability. With a team of experienced engineers and technicians, H2O Solutions is equipped to handle complex water treatment challenges, making it a significant player in the industry.

7. Calgon Carbon Corporation

• Website: calgoncarbon.com
• Ownership type: Corporate
• Headquarters: Moon Township, Pennsylvania, United States (USA)
• Employee distribution: United States (USA) 92%, China 3%, Singapore 2%, Other 3%
• Latest funding: $1.1B, September 2017
• Founded year: 1942
• Headcount: 1001-5000
• LinkedIn: calgon-carbon-corporation

Calgon Carbon Corporation, founded in 1942 and based in Moon Township, Pennsylvania, is a manufacturer specializing in air and water purification solutions. The company produces a wide range of activated carbon products and offers reactivation services aimed at effective contaminant removal. Their product line includes solutions for municipal water treatment, wastewater management, and environmental remediation, catering to industrial, municipal, and consumer markets. Calgon Carbon is actively involved in addressing contemporary challenges in water treatment, particularly with emerging contaminants like PFAS. The company operates in various regions, including North America, Asia, and Europe, and has a significant workforce dedicated to innovation and customer service in the water treatment industry.

8. Res Kem LLC

• Website: reskem.com
• Ownership type: Private
• Headquarters: Aston, Pennsylvania, United States (USA)
• Founded year: 1983
• Headcount: 11-50
• LinkedIn: res-kem-corp

Res Kem LLC, based in Aston, Pennsylvania, has been a player in the water treatment industry since its inception in 1983. The company specializes in providing a variety of water treatment solutions, including filters, softeners, and reverse osmosis systems, catering to industrial, residential, and municipal clients. Res Kem's commitment to ensuring water quality and compliance with health standards is evident in their service offerings, which include off-site membrane cleaning and microbiological control programs. Their customer base spans various sectors, highlighting their adaptability and expertise in addressing specific water purification needs. The company operates multiple service centers, enhancing their ability to deliver timely support and maintenance services to clients. Res Kem's focus on educating customers about their water treatment needs further underscores their dedication to effective solutions.

9. ProMinent North America

• Website: prominent.us
• Ownership type: Private
• Headquarters: Pittsburgh, Pennsylvania, United States (USA)
• Employee distribution: United States (USA) 62%, Canada 30%, Malta 3%, Other 5%
• Founded year: 1978
• Headcount: 201-500
• LinkedIn: prominent-fluid-controls-inc-

ProMinent North America, based in Pittsburgh, Pennsylvania, is a private company founded in 1978. It specializes in providing water treatment solutions, particularly focusing on disinfection systems and metering technology. The company caters to a range of sectors, including hospitality and industrial, ensuring that their products contribute to safe and efficient water treatment processes. ProMinent is committed to environmentally friendly solutions, which is increasingly important in today's market. Their operations include manufacturing and offering services related to water quality management, showcasing their comprehensive approach to addressing water treatment needs. With a significant portion of their workforce located in the United States and Canada, ProMinent maintains a strong regional presence while also engaging in international markets.

10. Inframark

• Website: inframark.com
• Ownership type: Private Equity
• Headquarters: Horsham, Pennsylvania, United States (USA)
• Employee distribution: United States (USA) 100%
• Latest funding: December 2020
• Founded year: 1974
• Headcount: 1001-5000
• LinkedIn: inframark

Inframark, founded in 1974 and based in Horsham, Pennsylvania, is a private equity-owned company that specializes in water and wastewater management services. With a workforce of approximately 1,366 employees, Inframark provides a range of solutions including operations and maintenance, utility district management, and community support. The company is dedicated to ensuring sustainable water resources and efficient service delivery, catering primarily to municipalities and utility districts. Inframark's operations include tailored water supply and monitoring, water treatment, and distribution systems, as well as wastewater operations and management. Their innovative approach incorporates automation and intelligence to enhance operational efficiency. Inframark's mission emphasizes the protection and replenishment of critical water resources, reflecting their commitment to sustainability in the industry.

11. CDG Chlorine Dioxide

• Website: cdgenvironmental.com
• Ownership type: Private
• Headquarters: Allentown, Pennsylvania, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 2009
• Headcount: 11-50
• LinkedIn: cdg-environmental.-llc

CDG Chlorine Dioxide, based in Allentown, Pennsylvania, is a private company founded in 2009 that specializes in environmental services, particularly in water treatment and disinfection solutions. The company offers products like CDG Solution 3000 and CDG Aquadioxide, which are designed to control microorganisms in various applications, including food processing and potable water treatment. Their solutions are particularly valued in sectors such as agriculture, hospitality, and municipal water management, where effective water treatment is critical. CDG's innovative approach includes the development of ready-to-use chlorine dioxide solutions that eliminate the need for on-site chemical mixing, enhancing safety and efficiency for users. The company has established itself as a reliable partner for businesses seeking to ensure safe and effective water management, contributing to public health and environmental sustainability.

12. ProChemTech International, Inc.

• Website: prochemtech.com
• Ownership type: Private
• Headquarters: Brockway, Pennsylvania, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 1987
• Headcount: 11-50
• LinkedIn: prochemtech-international-inc.

ProChemTech International, Inc., based in Brockway, Pennsylvania, is a private company that has been operating since 1987. The firm specializes in water management, offering integrated solutions for boiler systems, cooling systems, and wastewater treatment. ProChemTech caters to a variety of clients, including commercial, industrial, and municipal entities, providing customized chemical treatment products and on-site services. Their focus is on optimizing water usage while ensuring compliance with environmental regulations. The company is ISO 9001:2000 certified for its water management programs and operates multiple US EPA-registered facilities for the production of biocides. ProChemTech prides itself on its innovative and customized solutions, which are backed by decades of experience and scientific research. Their services include the design and installation of water treatment systems, as well as ongoing maintenance and support to ensure efficient operation and regulatory compliance.

13. Eureka Resources

• Website: eureka-resources.com
• Ownership type: Private
• Headquarters: Williamsport, Pennsylvania, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 2008
• Headcount: 51-200
• LinkedIn: eureka-resources-llc

Eureka Resources, founded in 2008 and based in Williamsport, Pennsylvania, is an environmental solutions company that specializes in wastewater treatment and mineral recovery. The firm primarily serves industries such as oil and gas, where it focuses on reclaiming used industrial water and extracting valuable minerals like lithium and salt. Their innovative, patented processes allow them to remove hundreds of types of impurities from wastewater, resulting in purified water and high-quality minerals. The company emphasizes environmental compliance, ensuring that their treated water meets the EPA's Clean Water Act standards before being released into local waterways. Eureka Resources has also made strides in mineral recovery, producing lithium carbonate from oil and natural gas brine wastewater, which positions them as a significant player in the growing lithium market. Their commitment to sustainable practices and responsible resource management highlights their role in the water treatment industry.

14. Qua

• Website: quagroup.com
• Ownership type: Private
• Headquarters: Canonsburg, Pennsylvania, United States (USA)
• Employee distribution: India 88%, United States (USA) 12%
• Founded year: 2010
• Headcount: 51-200
• LinkedIn: qua

Qua Group LLC, based in Canonsburg, Pennsylvania, is a private company founded in 2010 that develops and manufactures advanced membrane products for water and wastewater treatment. Their product lineup includes FEDI® (Fractional Electrodeionization), Q-SEP® (Ultrafiltration Membranes), CeraQ™ (Ceramic Membrane), and EnviQ® (Submerged UF Membranes). These products are designed to address complex water treatment challenges across various industries, including power generation and pharmaceuticals. Qua emphasizes continuous innovation and quality, managing the entire lifecycle of its products from concept to manufacturing. The company has also established a significant presence in India, where a large portion of its workforce is located, indicating a strategic approach to global market engagement. Qua's commitment to improving operational efficiency and reducing environmental impact through its technologies is evident in its mission to create long-term value for customers and partners.

15. PSI Pumping Solutions, Inc.

• Website: pumpsol.com
• Ownership type: Private
• Headquarters: York Springs, Pennsylvania, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 2002
• Headcount: 11-50
• LinkedIn: psi-pumping-solutions-inc

PSI Pumping Solutions, Inc., founded in 2002, is a private company based in York Springs, Pennsylvania. With a workforce of 11 to 50 employees, PSI specializes in providing comprehensive water and wastewater treatment solutions. Their services include maintenance, inspection, and structural coating, aimed at ensuring the efficient operation of water systems for municipal and commercial clients. The company has completed numerous projects, including centralized water treatment facilities and wastewater treatment plant improvements, demonstrating their expertise in the field. PSI operates primarily in Central Pennsylvania but also extends its services to regions as far as Washington D.C. Their mission is driven by core values of perseverance, service, and integrity, reflecting a commitment to quality and community engagement. PSI has not reported any funding, indicating a self-sustained growth model since its inception.

16. EMG International, LLC

• Website: emgint.com
• Ownership type: Private
• Headquarters: Nether Providence Township, Pennsylvania, United States (USA)
• Employee distribution: United States (USA) 100%
• Latest funding: Other (Grant), $168,000, December 2011
• Founded year: 1996
• Headcount: 11-50
• LinkedIn: emgint

EMG International, LLC, founded in 1996 and based in Nether Providence Township, Pennsylvania, specializes in wastewater treatment and environmental consulting. The company offers a range of services including high-strength wastewater treatment, sustainability solutions, and laboratory services. EMG's focus is primarily on industries such as food and beverage manufacturing, where they help clients meet regulatory compliance and sustainability objectives. Their proprietary PurEffluent technology is designed to handle high-strength waste streams, providing reliable and cost-effective treatment options. EMG also emphasizes sustainability through energy-efficient practices, renewable energy generation, and water recycling initiatives. The company has been involved in various successful projects, showcasing their expertise and commitment to environmental stewardship.

17. Comtech Industries, Inc.

• Website: comtechindustriesinc.com
• Ownership type: Private
• Headquarters: Canonsburg, Pennsylvania, United States (USA)
• Employee distribution: United States (USA) 91%, China 9%
• Founded year: 1995
• Headcount: 51-200
• LinkedIn: comtech-industries-inc-

Comtech Industries, Inc., founded in 1995 and based in Canonsburg, Pennsylvania, is a private company that specializes in industrial and environmental solutions. With a workforce of around 32 employees, Comtech focuses on providing innovative services in water treatment, fluid measurement, and hydrocarbon detection. Their primary clientele includes companies in the oil and gas sector, where they offer solutions for managing produced water and ensuring compliance with environmental regulations. Comtech's portfolio includes advanced technologies such as the Hydro-Vac unloading system and the HCDETX hydrocarbon detection system, which enhance operational efficiency and safety in water management. The company also provides consulting services for treatment facility design, showcasing their expertise in creating tailored solutions for complex water-related challenges. Comtech's commitment to addressing the unique needs of their clients positions them as a relevant player in the water treatment industry.

18. Envirep/TLC

• Website: envirep.com
• Ownership type: Private
• Headquarters: Camp Hill, Pennsylvania, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 1983
• Headcount: 11-50
• LinkedIn: envirep-tlc-environmental

Envirep/TLC, based in Camp Hill, Pennsylvania, has been a key player in the water and wastewater treatment industry since its founding in 1983. The company specializes in providing a range of services, including equipment sales, maintenance, and training, primarily targeting municipalities and industrial clients. Envirep/TLC is dedicated to ensuring efficient operation and reliability in water management systems. They represent a variety of top-tier manufacturers, offering products that are crucial for pumping, storing, and treating potable water, wastewater, storm water, landfill leachate, and biosolids. Their experienced team is committed to delivering practical and cost-effective solutions, from conceptual design to installation and ongoing service. The company also emphasizes customer service, with a mission to support clients through emergency services and training programs, ensuring that their equipment operates at peak performance.

19. Creston Water Solutions

• Website: creston.com
• Ownership type: Private Equity
• Headquarters: Aston, Pennsylvania, United States (USA)
• Employee distribution: United States (USA) 86%, Mexico 14%
• Latest funding: $94.1M, November 2016
• Founded year: 2001
• Headcount: 11-50
• LinkedIn: creston

Creston Water Solutions, based in Aston, Pennsylvania, is a water treatment company that has been active since 2001. The firm specializes in innovative technologies aimed at disinfection and biofouling control, serving a range of industries including power generation, mining, and municipal water treatment. Their product offerings include seawater electrochlorination systems and hypochlorite generation technologies, which are designed to enhance operational efficiency and safety for their clients. With a team of industry experts, Creston is dedicated to addressing water treatment challenges through advanced technology. The company has a significant presence in the United States and Mexico, reflecting its operational reach. In 2016, Creston received substantial funding, which underscores investor confidence in its business model and growth potential. The company’s commitment to innovation and its established history in the industry position it as a relevant player in the water treatment sector.

Water Treatment Insights: Key Companies in Pennsylvania

Company	Headquarter	Size	Founded	Ownership
Kroff, Inc.	Pittsburgh, Pennsylvania, United States (USA)	51-200	1988	Private
Tigg, LLC	Oakdale, Pennsylvania, United States (USA)	11-50	1977	Private
Guardian CSC	York, Pennsylvania, United States (USA)	51-200	1988	Private
HIDROMATIC srl - Water Treatment & Management	Modena, Pennsylvania, United States (USA)	11-50	1950	Private
Anglian Water Services	Huntingdon, Pennsylvania, United States (USA)	5001-10000	1989	Corporate
H2O Solutions, Inc.	Telford, Pennsylvania, United States (USA)	11-50	1985	Private
Calgon Carbon Corporation	Moon Township, Pennsylvania, United States (USA)	1001-5000	1942	Corporate
Res Kem LLC	Aston, Pennsylvania, United States (USA)	11-50	1983	Private
ProMinent North America	Pittsburgh, Pennsylvania, United States (USA)	201-500	1978	Private
Inframark	Horsham, Pennsylvania, United States (USA)	1001-5000	1974	Private Equity
CDG Chlorine Dioxide	Allentown, Pennsylvania, United States (USA)	11-50	2009	Private
ProChemTech International, Inc.	Brockway, Pennsylvania, United States (USA)	11-50	1987	Private
Eureka Resources	Williamsport, Pennsylvania, United States (USA)	51-200	2008	Private
Qua	Canonsburg, Pennsylvania, United States (USA)	51-200	2010	Private
PSI Pumping Solutions, Inc.	York Springs, Pennsylvania, United States (USA)	11-50	2002	Private
EMG International, LLC	Nether Providence Township, Pennsylvania, United States (USA)	11-50	1996	Private
Comtech Industries, Inc.	Canonsburg, Pennsylvania, United States (USA)	51-200	1995	Private
Envirep/TLC	Camp Hill, Pennsylvania, United States (USA)	11-50	1983	Private
Creston Water Solutions	Aston, Pennsylvania, United States (USA)	11-50	2001	Private Equity

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