The municipal water treatment plant construction industry revolves around creating essential infrastructure that ensures clean and safe water for communities. Companies in this field design, build, and maintain facilities that treat water for drinking and manage wastewater. As urban populations grow and environmental regulations tighten, the demand for these services is increasing. Innovations in technology and sustainability practices are shaping the industry’s future, with a focus on eco-friendly solutions and energy efficiency. Companies are increasingly prioritizing this modern approach to meet the mounting global water challenges well into the future.

This article showcases 22 municipal water treatment plant construction companies, varying in size and scope. Firms range from large organizations employing thousands in the USA, like Garney Construction, to smaller firms like Kingdom Construction in the UK. Founded from 1972 onwards, these companies represent a blend of seasoned experience and innovative solutions in wastewater and water treatment. Their operational footprints stretch globally, with specializations in design, engineering, and project management.

Read on to discover the top municipal water treatment plant construction companies.

Top 22 Municipal Water Treatment Plant Construction Companies

1. Garney Construction

• Website: garney.com
• Ownership type: Private
• Headquarters: North Kansas City, Missouri, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 1961
• Headcount: 1001-5000
• LinkedIn: garney-construction

Garney Construction, established in 1961 and based in North Kansas City, Missouri, is a private construction firm that specializes in water and wastewater systems. With a workforce of over 1,000 employees, the company has developed a strong presence in the construction industry, focusing on essential infrastructure that supports public health and environmental sustainability. Garney offers a wide range of services, including pipe installation, treatment plant construction, and heavy civil projects. They have successfully completed numerous projects for municipal and federal agencies, as well as industrial and private clients. Their expertise spans various aspects of water management, including the construction of treatment plants, pump stations, and pipelines. Garney's commitment to safety is evident in their impressive safety record, which is significantly better than the industry average. The company operates under a model of employee ownership, which fosters a culture of accountability and dedication among its workforce. Garney's extensive experience and focus on water infrastructure make them a key player in the municipal water treatment sector.

2. 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, is a construction firm that specializes in water and wastewater treatment solutions. Established in 1984, the company has been serving municipal and industrial clients across the Upper Midwest for nearly four decades. Rice Lake Construction offers a comprehensive range of services, including the construction of treatment plants, lift stations, and other essential infrastructure. They pride themselves on their self-performing capabilities, which allow them to manage various aspects of construction in-house, ensuring high standards of quality and efficiency. The company has successfully completed over 330 wastewater projects, with a total value exceeding $1.6 billion. Their commitment to safety, integrity, and customer service is evident in their approach to project delivery. As part of the WRG family of companies, Rice Lake Construction benefits from additional resources and expertise, further enhancing their ability to deliver successful outcomes for their clients.

3. 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-standing commitment to the water resource sector. Reynolds focuses on providing sustainable solutions for government agencies, industrial clients, and private entities. Their services include the construction of water treatment plants, wastewater treatment facilities, pipelines, and various other water-related infrastructure projects. With a workforce of approximately 250 employees, Reynolds has successfully completed over 270 treatment plants and installed more than 19 million feet of pipeline. The company prides itself on self-performing 65-85% of its projects, which allows for greater control over project costs and timelines. Their recent projects highlight their expertise in modern treatment technologies, ensuring they meet the evolving needs of water quality management.

4. Afroughbana.co.

• Website: afroughbana.com
• Ownership type: Private
• Headquarters: Tehran, Tehran, Iran
• Founded year: 2003
• Headcount: 51-200
• LinkedIn: afroughbana

Afroughbana.co., established in 2003 and based in Tehran, Iran, is a private construction and engineering company that specializes in water and wastewater management solutions. With a workforce of 51 to 200 employees, the firm has built a reputation for delivering high-quality projects in the water sector. Their services include the design and construction of water treatment plants, pumping stations, and sewage systems. Afroughbana.co. has successfully completed numerous projects for municipal authorities and industrial clients, demonstrating their capability in addressing various water management needs. The company prides itself on its commitment to quality and timely project execution, which has earned them the trust and satisfaction of their clients over nearly two decades of operation.

5. Polaqua

• Website: polaqua.pl
• Ownership type: Private
• Headquarters: Piaseczno, Masovian Voivodeship, Poland
• Employee distribution: Poland 100%
• Founded year: 1990
• Headcount: 501-1000
• LinkedIn: polaqua

Polaqua, founded in 1990 and based in Piaseczno, Poland, is a private construction and engineering firm that specializes in environmental engineering and infrastructure development. With a workforce of around 220 employees, the company has established itself as a significant player in the construction sector, particularly in the areas of wastewater treatment and water supply systems. Polaqua has a strong commitment to modernizing Poland's water and sewage networks, employing both traditional and innovative engineering solutions. Their portfolio includes notable projects such as the reconstruction of wastewater treatment plants and the development of water supply systems, showcasing their capability in handling complex municipal contracts. The company prides itself on utilizing advanced technology and environmentally safe methods, ensuring high-quality service delivery. Polaqua's experience and technical expertise make it a relevant entity in the municipal water treatment sector.

6. E.M.I.T. S.p.A.

• Website: emit.it
• Ownership type: Corporate
• Headquarters: Milan, Lombardy, Italy
• Employee distribution: Italy 100%
• Latest funding: January 2014
• Founded year: 1973
• Headcount: 51-200
• LinkedIn: e.m.i.t.-s.p.a.

E.M.I.T. S.p.A., officially known as Ercole Marelli Impianti Tecnologici S.r.l., is an engineering and construction firm based in Milan, Italy. Founded in 1973, the company has carved out a niche in the water and wastewater treatment sector. E.M.I.T. specializes in the design, construction, and maintenance of treatment plants, catering to both municipal and industrial clients. Their projects span across various countries, including significant undertakings in Italy, Egypt, Georgia, and India. The company prides itself on its engineering expertise and commitment to environmental standards, having successfully completed over 400 projects worldwide. E.M.I.T. holds several certifications, including ISO 9001:2015 for quality management, which underscores its dedication to maintaining high operational standards. Their ongoing projects, such as the wastewater treatment plant in Palermo and others in Egypt and Georgia, further demonstrate their active involvement in the municipal water treatment sector.

7. Eco Protection Engineers - India

• Website: ecoprotection.in
• Ownership type: Private
• Headquarters: Chennai, Tamil Nadu, India
• Employee distribution: India 100%
• Founded year: 1999
• Headcount: 201-500
• LinkedIn: eco-protection-engineers---india

Eco Protection Engineers - India, established in 1999, is an engineering and construction company based in Chennai, Tamil Nadu. The firm specializes in water and wastewater management, offering a comprehensive suite of services that includes the construction of potable water treatment plants, wastewater treatment facilities, and solid waste management solutions. With a workforce of over 500 employees, Eco Protection Engineers has successfully completed more than 500 projects, demonstrating a strong presence in the water industry. Their clientele includes public health departments and various industries, highlighting their capability to cater to both municipal and industrial needs. The company has been involved in notable projects such as the Ganga Rejuvenation initiative and has executed projects under significant government programs like AMRUT and Namami Ganga. Their commitment to sustainable practices and innovative solutions positions them as a relevant player in the municipal water treatment sector.

8. Kingdom Construction Limited

• Website: kingdomconstruction.ca
• Ownership type: Private
• Headquarters: Ayr, Scotland, United Kingdom (UK)
• Employee distribution: Canada 100%
• Founded year: 2006
• Headcount: 11-50
• LinkedIn: kingdom-construction-ltd

Kingdom Construction Limited, based in Ayr, Ontario, is a private construction firm founded in 2006. The company specializes in industrial and municipal construction projects, with a strong emphasis on water and wastewater treatment facilities. Their team comprises skilled project managers, civil, mechanical, and electrical professionals, enabling them to offer comprehensive in-house solutions. Kingdom Construction has successfully completed numerous projects, including upgrades to pumping stations and water treatment plants, demonstrating their capability in handling complex municipal infrastructure tasks. Their commitment to safety and quality is evident in their operations, which are supported by a unionized labor force represented by the Christian Labour Association of Canada (CLAC). This focus on quality and safety, along with their extensive project experience, underscores their relevance in the municipal water treatment sector.

9. Eagle Contracting, LP.

• Website: eaglecontractinglp.com
• Ownership type: Corporate
• Headquarters: Keller, Texas, United States (USA)
• Employee distribution: United States (USA) 76%, United Arab Emirates 24%
• Latest funding: January 2024
• Founded year: 1987
• Headcount: 51-200
• LinkedIn: eagle-contracting-lp-

Eagle Contracting, LP. is a general contractor based in Keller, Texas, specializing exclusively in the water and wastewater industry. Founded in 1987, the company has built a solid reputation for delivering construction services for water treatment plants, wastewater treatment facilities, and related infrastructure projects. Their clientele primarily consists of municipalities and public utilities, which rely on their expertise for effective water management solutions. Eagle Contracting has successfully completed numerous high-profile projects, including significant improvements and expansions at various water treatment plants across Texas. The firm has consistently ranked in the Engineering News-Record's national survey of the Top 200 Environmental Contractors in the United States, reflecting their established presence in the industry. With a dedicated team and a commitment to quality, Eagle Contracting continues to play a vital role in enhancing water infrastructure.

10. KAJACS Contractors, Inc.

• Website: kajacs.com
• Ownership type: Private
• Headquarters: Little Rock, Arkansas, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 1993
• Headcount: 51-200
• LinkedIn: kajacs-contractors

KAJACS Contractors, Inc., founded in 1993 and based in Little Rock, Arkansas, is a private construction firm specializing in infrastructure projects that focus on water supply and sewage systems. The company serves municipalities and public works authorities, providing essential services such as water transmission, sewer installation, and wastewater treatment. KAJACS is recognized for its commitment to safety, quality, and integrity, which are core values that guide their operations. They have successfully completed numerous projects, including the construction of water treatment plants and wastewater facilities, showcasing their expertise in the municipal water sector. With a workforce of 51-200 employees, KAJACS combines seasoned professionals with modern equipment to deliver high-quality work. Their portfolio includes significant projects across Arkansas, Missouri, Tennessee, and Mississippi, reflecting their active engagement in the industry.

11. SMC Infrastructures Pvt Ltd

• Website: smcinfra.com
• Ownership type: Private
• Headquarters: Thane, Maharashtra, India
• Employee distribution: India 78%, Maldives 15%, Oman 4%, Other 3%
• Founded year: 1982
• Headcount: 501-1000
• LinkedIn: smc-infrastructures-pvt-ltd

SMC Infrastructures Pvt Ltd, based in Thane, Maharashtra, has been operational since 1982. The company specializes in infrastructure development, particularly in water and wastewater management. They have successfully executed over 30 water treatment plants and laid more than 5000 kilometers of pipelines, showcasing their expertise in this critical area. SMC serves various government agencies and municipalities, providing essential services that enhance urban development and public health. Their focus on quality and safety is reflected in their ISO certifications, including ISO 9001:2015, ISO 14001:2015, and ISO 45001:2018. The company has also expanded its operations internationally, with projects in countries like the Maldives and Oman, further solidifying its reputation in the infrastructure sector.

12. Eliquo

• Website: eliquowater.com
• Ownership type: Family Owned
• Headquarters: Geisenheim, Hesse, Germany
• Employee distribution: Germany 100%
• Founded year: 2014
• Headcount: 501-1000
• LinkedIn: eliquo-water-group

Eliquo Water Group, based in Geisenheim, Hesse, Germany, is a family-owned company that specializes in municipal water and wastewater treatment solutions. Established in 2014, Eliquo has built a reputation for providing comprehensive services that include the construction of treatment plants, sewage sludge management, and engineering services. The company primarily serves municipalities across Europe, focusing on sustainable and efficient water management practices. With a workforce of over 500 employees, Eliquo prides itself on its technical expertise and commitment to innovation. They have developed proprietary technologies and have a strong emphasis on energy efficiency and resource recovery in water treatment processes. Eliquo's recent acquisition of Malmberg Water further enhances their capabilities and market presence, demonstrating their ambition to grow and adapt in the water treatment industry.

13. MPE a division of Englobe

• Website: mpe.ca
• Ownership type: Corporate
• Headquarters: Canada
• Employee distribution: Canada 95%, Brazil 4%
• Latest funding: December 2021
• Founded year: 1983
• Headcount: 201-500
• LinkedIn: mpe-engineering-ltd.

MPE a division of Englobe is a Canadian professional engineering consulting firm established in 1983. With a workforce of approximately 400 employees, the company operates across multiple provinces, including Alberta, Saskatchewan, Manitoba, and British Columbia. MPE specializes in providing comprehensive engineering services in municipal, water resource, and building services sectors. Their commitment to quality and innovation has allowed them to serve a wide range of clients, including municipalities, governments, and private industries. MPE has a strong focus on water treatment and has successfully completed numerous projects in this domain, such as the Water Treatment Plant for the City of Medicine Hat and various wastewater treatment initiatives. Their strategic partnership with Englobe Corporation has further enhanced their service offerings, allowing them to tackle complex infrastructure challenges effectively. MPE's dedication to client relationships and community involvement underscores their role as a trusted engineering partner in the water treatment sector.

14. BAR Constructors, Inc.

• Website: barconstructors.com
• Ownership type: Family Owned
• Headquarters: Lancaster, Texas, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 1979
• Headcount: 51-200
• LinkedIn: bar-constructors-inc

BAR Constructors, Inc., based in Lancaster, Texas, has been a family-owned construction firm since its founding in 1979. The company specializes in the construction of water and wastewater treatment plants, as well as pipeline installation. With a workforce of 51-200 employees, BAR Constructors has successfully completed projects exceeding $1 billion in value, focusing on high-pressure pump stations and complex chemical feed systems. They prioritize safety and quality, utilizing their own skilled labor for the majority of their projects while engaging subcontractors for specialized tasks. As a certified minority-owned business, BAR Constructors actively encourages participation from minority vendors and subcontractors, reflecting their commitment to inclusivity in the industry. Their operational strategies include rigorous safety programs and the use of advanced equipment technology, ensuring compliance with regulatory standards and optimal project execution.

15. Espina & Delfín

• Website: espinaydelfin.com
• Ownership type: Private
• Headquarters: Santiago De Compostela, A Coruña, Spain
• Employee distribution: Spain 85%, Colombia 12%, Haiti 2%
• Founded year: 1977
• Headcount: 201-500
• LinkedIn: espina-y-delfin-s-l-

Espina & Delfín, founded in 1977 and based in Santiago De Compostela, A Coruña, Spain, is a private construction firm with a workforce of approximately 123 employees. The company specializes in public works and water management services, focusing on hydraulic construction and the comprehensive management of the water cycle. They provide solutions tailored for municipalities and public entities, ensuring efficient water services while adhering to sustainability principles. Espina & Delfín has developed numerous projects in the water treatment sector, including wastewater treatment plants and potable water treatment facilities, demonstrating their expertise and commitment to quality in this critical area. Their operations extend beyond Spain, with a presence in Colombia and Haiti, further showcasing their capability in managing water-related projects across different regions.

16. Pikaron Construction &contracting CO.INC.

• Website: pikaron.com
• Ownership type: Private
• Headquarters: Ankara, Ankara, Turkey
• Employee distribution: Iraq 84%, Turkey 16%
• Founded year: 1995
• Headcount: 201-500
• LinkedIn: pikaron-construction-%26contracting-co-ltd-

Pikaron Construction & Contracting Co. Inc., established in 1995, is a private construction and engineering firm based in Ankara, Turkey. The company specializes in the construction of water and wastewater treatment facilities, pipelines, and various infrastructure projects. With a workforce of approximately 201-500 employees, Pikaron serves a mix of industrial, corporate, and municipal clients, offering tailored solutions to meet their water management needs. Their extensive experience in the water treatment sector is highlighted by completed projects such as the Ramadi Wastewater Treatment Plant in Iraq, showcasing their capability in handling large-scale municipal projects. The company aims to provide cost-effective and reliable water treatment systems, reinforcing its commitment to enhancing water management practices in the regions it operates.

17. BenchMark Management LLC

• Website: bmmllc.com
• Ownership type: Private
• Headquarters: Atlanta, Georgia, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 2003
• Headcount: 11-50
• LinkedIn: benchmark-management-llc

BenchMark Management LLC, based in Atlanta, Georgia, is an engineering and construction management firm founded in 2003. With a team of approximately 29 professionals, the company specializes in municipal water, wastewater, and stormwater projects. They offer a comprehensive suite of services, including engineering design, construction management, and program management, aimed at ensuring compliance and successful project delivery for municipal governments and agencies. BenchMark has been involved in notable initiatives, such as the City of Atlanta’s Clean Water Atlanta Initiative, which is one of the largest consent decree programs in the Southeast. Their expertise extends to the design of wastewater and drinking water treatment plants, as well as water distribution systems. BenchMark is recognized as a certified Minority Business Enterprise and Disadvantaged Business Enterprise, reflecting their commitment to promoting diversity in the industry. They have received multiple awards for their contributions to minority contracting, further solidifying their reputation in the municipal construction sector.

18. Ticsa Grupo EPM

• Website: ticsa.com.mx
• Ownership type: Private
• Headquarters: Cuauhtemoc, Ciudad De México, Mexico
• Employee distribution: Mexico 75%, Colombia 24%
• Founded year: 1983
• Headcount: 201-500
• LinkedIn: ticsa-grupo-epm

Ticsa Grupo EPM, founded in 1983 and based in Cuauhtemoc, Ciudad De México, is a private company dedicated to the water treatment industry. With a workforce of approximately 388 employees, Ticsa specializes in the design, construction, operation, and maintenance of water treatment systems. They serve both industrial and municipal clients, providing comprehensive solutions that include engineering and consulting services. The company emphasizes sustainable practices and the use of advanced technologies to ensure compliance with environmental standards. Ticsa has a notable presence in Mexico and Colombia, having successfully designed and constructed over 160 wastewater treatment plants. Their services cover the entire water cycle, from potable water treatment to wastewater management, showcasing their expertise in the field.

19. Oxyhin Sdn Bhd

• Website: amayassociates.com
• Ownership type: Private
• Headquarters: New York, New York, United States (USA)
• Employee distribution: Malaysia 100%
• Founded year: 2003
• Headcount: 11-50
• LinkedIn: oxyhin-sdn-bhd

Oxyhin Sdn Bhd, also known as Amay Associates, PE, PC, is a private engineering consulting firm based in New York, founded in 2003. The company specializes in environmental, civil, and mechanical engineering services, catering to a variety of clients including municipalities, industrial facilities, and government agencies. Amay Associates has a strong focus on water treatment, having worked on significant projects such as the Croton Water Filtration Plant and the Newtown Creek Water Pollution Control Plant. Their services include construction management, value engineering, and environmental audits, which are crucial for the effective operation of municipal water treatment facilities. The firm is recognized as a Minority and Women Owned Business Enterprise (MWBE) in New York, enhancing their credibility and outreach in the industry.

20. Woodard & Curran

• Website: woodardcurran.com
• Ownership type: Private
• Headquarters: Portland, Maine, United States (USA)
• Employee distribution: United States (USA) 100%
• Latest funding: $7.1M, September 2021
• Founded year: 1979
• Headcount: 1001-5000
• LinkedIn: woodard-%26-curran

Woodard & Curran, founded in 1979 and based in Portland, Maine, is a private consulting firm that specializes in water and environmental services. With a workforce of over 1,000 employees, the company provides tailored solutions for both public and private sector clients. Their expertise spans various aspects of water treatment, including drinking water, municipal wastewater, and stormwater management. Woodard & Curran is known for its integrated approach, combining engineering, operations, and science to address complex environmental challenges. They have been involved in significant projects, such as the design-build delivery of a water treatment plant for the University of New Hampshire, showcasing their capabilities in construction and project management. The firm is committed to sustainability and actively engages in community development initiatives, reflecting their dedication to leaving a positive impact on the environment and the communities they serve. In 2021, they received funding amounting to over $7 million, indicating ongoing growth and investment in their operations.

21. Louis W Bray Construction Limited

• Website: lwbray.com
• Ownership type: Family Owned
• Headquarters: Ottawa, Ontario, Canada
• Employee distribution: Canada 100%
• Founded year: 1972
• Headcount: 51-200
• LinkedIn: louis-w-bray-construction-limited

Louis W Bray Construction Limited, established in 1972, is a family-owned construction company based in Ottawa, Ontario. With a workforce of 51 to 200 employees, the firm has built a reputation for its expertise in infrastructure development. The company specializes in various services, including earthworks, underground installations, and the construction of water treatment facilities, bridges, and other civil engineering projects. Notably, they have successfully delivered numerous municipal water and wastewater treatment plants, showcasing their capability in this critical area. Their clientele primarily consists of municipalities and government agencies, reflecting their commitment to community development and reliable construction services. The company prides itself on its strong project management and collaborative approach, ensuring smooth execution of projects while fostering lasting relationships with clients.

22. Shafab Engineering Co.

• Website: shafab.com
• Ownership type: Private
• Headquarters: Tehran, Tehran, Iran
• Employee distribution: Iran 100%
• Founded year: 1981
• Headcount: 201-500
• LinkedIn: shafab-engineering-co

Shafab Engineering Co., founded in 1981 and based in Tehran, Iran, operates as a private EPC contractor. The company focuses on engineering, procurement, and construction services tailored for water and wastewater treatment facilities. Shafab serves both industrial and municipal clients, providing comprehensive solutions that tackle environmental challenges and resource management. Their service offerings include not only construction but also operation and maintenance services, as well as manufacturing capabilities for water treatment equipment. Shafab has successfully completed various municipal wastewater treatment projects, such as the Rasht and Lahijan plants, showcasing their expertise in this area. The company prides itself on continuous development and training, aiming to enhance its research and development capabilities through collaboration with international partners. This commitment to innovation and quality positions Shafab as a significant player in the water treatment sector.

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