Industrial wastewater treatment plant construction companies focus on creating solutions for managing and treating wastewater effectively. Their efforts are vital for environmental protection and public health. Firms operate in this space from various locales, including the US and Europe, providing services that range from design and construction to maintenance of treatment facilities. Due to a growing emphasis on sustainable practices and technological advancements, the industry is evolving towards smart treatment solutions and increased automation. With the rising concerns over water scarcity and pollution, the demand for innovative wastewater systems is expected to grow, influencing investment trends significantly.


The companies listed vary in size and specialization, with headquarters spanning the United States, India, and Europe. Founded between 1953 and 2017, they showcase a mix of family-owned firms and corporate entities. Ranging from smaller firms employing under 50 to larger firms with thousands of employees, they concentrate primarily on wastewater treatment plant construction, offering comprehensive services in engineering, procurement, and infrastructure management. Their diverse experience underscores a commitment to addressing the escalating challenges in water management and sustainability across different sectors.


Read on to explore the top industrial wastewater treatment plant construction companies.


Top 22 Industrial Wastewater Treatment 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, is a private construction firm based in North Kansas City, Missouri. With a workforce of over 1,000 employees, the company specializes in water and wastewater systems, providing a comprehensive range of services that include pipe installation, treatment plant construction, and heavy civil projects. Garney serves a variety of clients, including municipal and federal agencies, as well as industrial and private sectors. Their commitment to building sustainable infrastructure is evident in their focus on public health and environmental sustainability. Garney has a notable track record in the industry, having been recognized for their work in wastewater treatment and related fields. They have self-performed construction on numerous treatment plants across the country, showcasing their capability to handle projects of varying sizes and complexities. The company operates under a philosophy that prioritizes safety and employee well-being, which is reflected in their strong safety record. Garney's dedication to the water industry is unwavering, as they strive to deliver essential infrastructure that supports communities and protects vital resources.


2. Eco Protection Engineers - India


Eco Protection Engineers - India, founded in 1999, is a private engineering and construction firm based in Chennai, Tamil Nadu. The company specializes in water and wastewater management, offering a range of services that include potable water treatment plants, wastewater treatment and recycling, and solid waste management solutions. With a workforce of over 500 employees, Eco Protection Engineers has successfully completed more than 500 projects across India and in several other countries. Their clientele includes public health departments and various industries, highlighting their capability to cater to both public and private sector needs. The company has been involved in notable projects such as the construction of sewage treatment plants and Zero Liquid Discharge systems, showcasing their technical expertise and commitment to sustainable practices in water management.


3. 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., also known as Ercole Marelli Impianti Tecnologici S.r.l., is an engineering and construction firm based in Milan, Italy. Founded in 1973, the company specializes in water and wastewater treatment solutions, catering to both municipal and industrial clients. E.M.I.T. offers a full suite of services, including the design, construction, and maintenance of wastewater treatment plants. With a strong focus on environmental compliance, they have successfully completed over 400 projects worldwide, showcasing their expertise in handling large-scale treatment facilities. Their projects span various countries, including ongoing work in Italy, India, Egypt, Georgia, Turkey, and Ukraine, reflecting their capability to manage complex international contracts. E.M.I.T. is certified under ISO 9001:2015, ISO 14001:2015, and ISO 45001:2018, underscoring their commitment to quality, environmental management, and health and safety standards.


4. 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 industry. Reynolds provides a range of services, including the construction of water and wastewater treatment plants, pipeline installation, and various related facilities. They serve government and industrial clients, emphasizing sustainable solutions and innovative project delivery. The company self-performs a significant portion of its work, which allows for greater control over project quality and timelines. With a workforce of approximately 250 employees, Reynolds has successfully completed over 270 treatment plants and installed more than 19 million feet of pipeline, demonstrating their capability and commitment to the water infrastructure sector.


5. Kennedy Jenks

  • Website: kennedyjenks.com
  • Ownership type: Corporate
  • Headquarters: San Francisco, California, United States (USA)
  • Employee distribution: United States (USA) 100%
  • Latest funding: December 2014
  • Founded year: 1919
  • Headcount: 201-500
  • LinkedIn: kennedyjenks-consultants

Kennedy Jenks is an engineering and consulting firm based in San Francisco, California, with a focus on water and industrial projects. Established in 1919, the company has built a reputation for providing a wide range of services, including wastewater treatment, design engineering, and natural resource management. They cater to both public agencies and private sector clients, reflecting their adaptability and commitment to meeting diverse needs. Kennedy Jenks has been involved in numerous projects across the United States, helping clients navigate the complexities of infrastructure development while adhering to regulatory standards. Their expertise in wastewater treatment is particularly notable, as they offer services such as facility planning, process design, and advanced treatment technologies. The firm emphasizes innovative and cost-effective solutions tailored to the specific requirements of each project, ensuring that they remain relevant in an evolving industry.


6. 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 industry since its establishment in 1984. The company specializes in water and wastewater treatment solutions, catering to both municipal and industrial clients. With a workforce of 201-500 employees, Rice Lake has built a reputation for delivering high-quality construction services, particularly in the area of wastewater treatment. They have completed over 330 wastewater projects, demonstrating their extensive experience and capability in this field. The company prides itself on its self-performing approach, which allows them to manage various aspects of construction in-house, ensuring quality and efficiency. Their commitment to safety, integrity, and customer service further enhances their standing in the industry. As part of the WRG family of companies, Rice Lake Construction Group benefits from additional resources and expertise, further solidifying its position in the market.


7. Alder Construction

  • Website: alderconstruction.com
  • Ownership type: Family Owned
  • Headquarters: Salt Lake City, Utah, United States (USA)
  • Employee distribution: United States (USA) 100%
  • Founded year: 1965
  • Headcount: 51-200
  • LinkedIn: alder-construction

Alder Construction, based in Salt Lake City, Utah, is a family-owned general contractor with a rich history dating back to 1961. The company specializes in the construction of water and wastewater treatment plants, pump stations, and pipeline projects. With a portfolio of over 300 completed projects, Alder has built a reputation for delivering quality infrastructure services to municipalities and organizations focused on water management. Their operations are primarily concentrated in Utah, where they manage long-term construction projects. The company prides itself on its self-performing capabilities, allowing them to control quality, schedule, and costs effectively. Alder Construction's experienced staff, many of whom have been with the company for over 20 years, contribute to its strong track record in the industry. They have received numerous awards for their projects, underscoring their commitment to excellence in construction.


8. Moltz Construction, Inc.

  • Website: moltzconstruction.com
  • Ownership type: Private
  • Headquarters: Windsor, Colorado, United States (USA)
  • Employee distribution: United States (USA) 100%
  • Founded year: 1989
  • Headcount: 201-500
  • LinkedIn: moltz-construction-inc

Moltz Construction, Inc., based in Windsor, Colorado, is a private construction firm established in 1989. With a workforce of approximately 87 employees, the company has carved out a niche in the construction of water and wastewater treatment facilities. Their expertise spans heavy civil construction, and they employ various delivery methods tailored to meet the specific needs of their clients. Moltz Construction has a strong track record of completing projects safely, on time, and within budget. They have a rich history in the industry, having shifted their focus primarily to water and wastewater projects under the leadership of CEO Eric Moltz. The company has successfully managed numerous complex projects, including industrial wastewater treatment plants, and has received recognition for their work, such as the Design-Build Excellence Award in 2010. Their commitment to safety and quality is evident in their operations, making them a reliable partner in the construction sector.


9. Afroughbana.co.

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

Afroughbana.co., based in Tehran, Iran, is a private construction and engineering company founded in 2003. The firm specializes in water and wastewater management solutions, providing a range of services that include the design and construction of water treatment plants, pumping stations, and sewage systems. With a workforce of approximately 51 to 200 employees, Afroughbana has established itself as a key player in the water sector, primarily serving municipal authorities and industrial firms. The company prides itself on delivering high-quality projects and has successfully completed numerous initiatives in the water and wastewater industry, demonstrating a strong commitment to meeting the needs of its clients. Their portfolio includes various projects such as the construction of wastewater treatment plants and the implementation of sewage systems, showcasing their expertise and experience in this critical field.


10. Cid Srl

  • Website: cidgroup.it
  • Ownership type: Private
  • Headquarters: Colloredo Di Monte Albano, Friuli-Venezia Giulia, Italy
  • Founded year: 1979
  • Headcount: 11-50
  • LinkedIn: cid-srl

Cid Srl, based in Colloredo Di Monte Albano, Friuli-Venezia Giulia, Italy, is a private company established in 1979. With a workforce of 20 employees, Cid Srl specializes in the design, construction, and management of wastewater treatment plants. The company has a strong focus on providing customized solutions that cater to the unique requirements of its clients, which include both industrial and public sector entities. Over the years, Cid Srl has successfully managed and constructed more than 250 wastewater treatment facilities, showcasing their expertise and commitment to environmental compliance. Their services extend beyond construction to include maintenance, technical management, and environmental consulting, positioning them as a comprehensive provider in the water treatment sector.


11. Dahi Bondad Company

  • Website: dbcompany.net
  • Ownership type: Private
  • Headquarters: Tehran, Tehran, Iran
  • Founded year: 2010
  • Headcount: 51-200
  • LinkedIn: dbcompany

Dahi Bondad Company, established in 2010 and based in Tehran, Iran, operates as an engineering and construction firm. The company provides a wide array of services across several industries, including oil, gas, water treatment, and environmental management. With a workforce of approximately 51 to 200 employees, Dahi Bondad has carved out a niche in the Iranian and Middle Eastern markets. Their expertise in water and wastewater treatment is particularly notable, as they design and engineer modern treatment plants and offer services that cover everything from consultation to the construction and commissioning of these facilities. The company emphasizes sustainability and compliance with industry standards, showcasing their commitment to environmental management. Their portfolio includes significant projects in industrial wastewater treatment, where they utilize advanced technologies to achieve high water recovery rates. Dahi Bondad's strategic partnerships with international firms enhance their capabilities, allowing them to deliver specialized solutions tailored to complex projects.


12. Aquatec Maxcon

  • Website: aquatecmaxcon.com.au
  • Ownership type: Private
  • Headquarters: Wulkuraka, Queensland, Australia
  • Employee distribution: Australia 97%, United Kingdom (UK) 3%
  • Founded year: 1970
  • Headcount: 201-500
  • LinkedIn: aquatec-maxcon-pty-ltd

Aquatec Maxcon Pty Ltd, based in Wulkuraka, Queensland, Australia, specializes in water and wastewater technology and equipment. Founded in 1970, the company has developed a robust portfolio that includes engineering, project management, and installation services for both municipal and industrial clients. Their expertise spans a wide array of advanced water treatment technologies, including coagulation, flocculation, sedimentation, and various filtration processes. Aquatec Maxcon is also involved in waste to energy solutions, reflecting their commitment to sustainable practices in water resource management. The company has successfully completed numerous projects across Australia and internationally, demonstrating their capability to deliver comprehensive solutions tailored to the specific needs of their clients. With a dedicated team and a focus on innovation, Aquatec Maxcon continues to play a significant role in the water and wastewater treatment industry.


13. Ward and Burke


Ward and Burke Construction Ltd, founded in 2001 and based in Kilcolgan, Galway, Ireland, is a private construction and engineering firm that focuses on infrastructure development. The company offers a wide range of services, including the design, construction, and maintenance of water and wastewater systems. They have a strong presence in the wastewater sector, with award-winning projects that include municipal and industrial wastewater treatment plants, pipelines, and storage solutions. Their capabilities extend to full turnkey solutions, integrating civil engineering with mechanical, electrical, instrumentation, control, and automation (MEICA) services. Ward and Burke operates in multiple regions, including the UK, Ireland, Canada, and the USA, and has a commitment to sustainability and quality, evidenced by their certifications in environmental and quality management systems. They have not reported any recent funding, indicating a stable operational model without external financial dependencies.


14. Harbor Pacific Contractors, Inc.

  • Website: harborpacific.com
  • Ownership type: Private
  • Headquarters: Redmond, Washington, United States (USA)
  • Employee distribution: United States (USA) 100%
  • Founded year: 1987
  • Headcount: 11-50
  • LinkedIn: harbor-pacific-contractors

Harbor Pacific Contractors, Inc., based in Redmond, Washington, has been a player in the construction industry since its founding in 1987. The company specializes in industrial, mechanical, and heavy civil construction services, with a particular focus on wastewater treatment facilities and water treatment plants. They serve both public and private clients across the Pacific Northwest, including Washington, Oregon, and Alaska. Harbor Pacific is known for its commitment to environmental stewardship, undertaking projects that not only enhance infrastructure but also promote sustainable practices. Their portfolio includes significant projects like the Granite Falls Wastewater Treatment Facility Upgrade and the construction of various pump stations and wastewater conveyance systems. The company self-performs a substantial portion of its work, employing skilled laborers and tradespeople to ensure quality and efficiency in project delivery. Harbor Pacific's approach to construction management emphasizes collaboration with clients and subcontractors, fostering strong relationships and a reputation for reliability in the industry.


15. John T. Jones Construction Co.

  • Website: jtjconst.com
  • Ownership type: Family Owned
  • Headquarters: Fargo, North Dakota, United States (USA)
  • Employee distribution: United States (USA) 100%
  • Founded year: 1953
  • Headcount: 51-200
  • LinkedIn: john-t.-jones-construction-co.

John T. Jones Construction Co., founded in 1953 and based in Fargo, North Dakota, is a family-owned construction firm that specializes in building water and wastewater treatment facilities, pump stations, and heavy concrete projects. With a workforce of 51-200 employees, the company has carved out a niche in the Midwest, focusing on essential infrastructure for water management. Since transitioning into the water and wastewater sector in the mid-1980s, they have completed numerous projects, showcasing their capability in both municipal and industrial contexts. Their commitment to safety and employee development is evident in their operational practices, and they self-perform a significant portion of their work, which enhances their control over project quality and timelines. The firm has successfully executed projects with budgets ranging from $1 million to $60 million, reflecting their capacity to handle substantial contracts. Their extensive experience and ongoing projects in wastewater treatment underscore their relevance in this industry.


16. Green Tech


Green Tech Company, based in Kabul, Afghanistan, is a private construction and engineering firm founded in 2007. The company specializes in environmental consultancy and water treatment solutions, with a strong emphasis on wastewater treatment plants (WWTP). Green Tech offers a range of services including the design, fabrication, installation, and maintenance of wastewater treatment systems. They have developed a solid reputation in the local and regional market, having completed projects for various industrial and governmental organizations. Their client list includes significant entities such as the US Army Corps of Engineers and USAID, showcasing their capability to handle complex projects. Green Tech also operates an environmental laboratory that provides comprehensive testing services for water and wastewater analysis, further solidifying their role in the water treatment industry.


17. Hidroinzeniring d.o.o.

  • Website: hidroinzeniring.si
  • Ownership type: Private
  • Headquarters: Ljubljana, Ljubljana, Slovenia
  • Employee distribution: Slovenia 67%, Croatia 33%
  • Founded year: 1971
  • Headcount: 11-50
  • LinkedIn: hidroinzeniring-d-o-o

Hidroinzeniring d.o.o. is a Slovenian engineering firm established in 1971, specializing in environmental and infrastructure projects. With a workforce of 11-50 employees, the company has built a solid reputation over its five-decade history. It offers a comprehensive range of services, including technical consulting, project design, and construction management, primarily targeting local governments and industrial clients. The firm is particularly noted for its work in wastewater treatment, having developed both municipal and industrial treatment plants. Their projects extend beyond Slovenia, reaching countries like Croatia, Serbia, and Montenegro, showcasing their regional influence. Hidroinzeniring is dedicated to sustainable practices, focusing on innovative solutions for wastewater treatment, drinking water supply, and waste management, which positions them well within the environmental engineering sector.


18. Novexx Pte Ltd

  • Website: novexx.com.sg
  • Ownership type: Private
  • Headquarters: Singapore
  • Employee distribution: Singapore 100%
  • Founded year: 2001
  • Headcount: 51-200
  • LinkedIn: novexx-pte-ltd

Novexx Pte Ltd, established in 2001, is a private engineering consultancy based in Singapore. The company specializes in integrated engineering solutions, with a strong emphasis on industrial wastewater treatment and waste management technologies. They cater primarily to the industrial and pharmaceutical sectors, offering a range of services that include project management, mechanical construction, and recruitment consultancy. Novexx is dedicated to delivering high-quality, innovative solutions tailored to meet the specific needs of their clients. Their commitment to environmental sustainability is evident in their use of advanced technologies for wastewater treatment, such as the Advanced Oxidation Process (AOP). With a team of experienced engineers, Novexx aims to resolve complex engineering challenges while ensuring customer satisfaction and operational efficiency.


19. Inncive

  • Website: inncive.es
  • Ownership type: Private
  • Headquarters: Madrid, Madrid, Spain
  • Employee distribution: Spain 100%
  • Founded year: 1999
  • Headcount: 51-200
  • LinkedIn: inncive

Inncive, founded in 1999 and based in Madrid, Spain, is a private engineering firm that specializes in environmental infrastructure projects. The company focuses on wastewater treatment, potable water treatment, and waste management solutions. With a dedicated team of professionals, including civil engineers and environmental scientists, Inncive has successfully completed over 250 projects, showcasing their expertise in the field. They have developed a range of wastewater treatment plants, including those for industrial applications, and have worked on projects in various countries, particularly in South America. Their commitment to innovation and sustainability is evident in their approach to engineering solutions that effectively manage water resources and waste. Inncive operates internationally, with branches in Brazil, Peru, and Colombia, further solidifying their presence in the environmental engineering sector.


20. Stirloch

  • Website: stirloch.com.au
  • Ownership type: Private
  • Headquarters: Traralgon, Victoria, Australia
  • Employee distribution: Australia 100%
  • Founded year: 1997
  • Headcount: 11-50
  • LinkedIn: stirloch

Stirloch is an engineering and construction company based in Traralgon, Victoria, Australia, founded in 1997. With a workforce of 11 to 50 employees, Stirloch focuses on civil engineering, water and wastewater infrastructure, and commercial property development. The company serves both public and private sector clients, delivering high-quality projects that address essential infrastructure needs. Stirloch has established a strong presence in the water and wastewater sector, undertaking significant projects such as the construction of wastewater treatment plants and pump stations. Their in-house engineering team, which includes civil, structural, electrical, and mechanical engineers, is dedicated to providing innovative and cost-effective solutions. Stirloch is committed to maintaining rigorous quality, safety, and environmental management standards, ensuring that their projects meet the highest benchmarks in the industry.


21. 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 specializing in engineering, procurement, and construction services for water and wastewater treatment. The company serves both industrial and municipal clients, providing tailored solutions to meet environmental challenges and optimize resource management. Shafab's offerings extend beyond construction to include operation and maintenance services, as well as manufacturing capabilities for water treatment equipment. Their project portfolio features a range of industrial wastewater treatment plants, including notable installations like the Fajr Industrial Waste Water Treatment Plant II and the Gachsaran Industrial Waste Water Treatment Plant. Shafab is recognized for its commitment to continuous development, investing in training and R&D to enhance its technological capabilities. The company has established strong commercial relationships with reputable international manufacturers, ensuring access to advanced technologies and equipment. This strategic approach positions Shafab as a competent player in the water and wastewater treatment sector.


22. Ietos

  • Website: ietos.net
  • Ownership type: Private
  • Headquarters: Heliopolis, Cairo Governorate, Egypt
  • Employee distribution: Egypt 99%
  • Founded year: 2001
  • Headcount: 201-500
  • LinkedIn: ietos

Ietos, officially known as the Integrated Environmental Technologies and Oil Services Co., was established in 2001 and is based in Heliopolis, Cairo, Egypt. The company operates in the water treatment sector, focusing on customized solutions for water and wastewater management. With a workforce of approximately 263 employees, Ietos has built a reputation for executing a wide range of projects, including over 500 water and wastewater treatment plants. Their services span engineering, procurement, construction, and maintenance, catering to both public and private sector clients. Ietos is particularly noted for its expertise in industrial wastewater treatment, addressing the needs of various industries such as food and beverage, textiles, and automotive. The company is certified as a general contractor by the Egyptian Federation for Construction & Building Contractors, further solidifying its credibility in the industry.



Industrial Wastewater Treatment Insights: Key Companies


CompanyHeadquarterSizeFoundedOwnership
Garney ConstructionNorth Kansas City, Missouri, United States (USA)1001-50001961Private
Eco Protection Engineers - IndiaChennai, Tamil Nadu, India201-5001999Private
E.M.I.T. S.p.A.Milan, Lombardy, Italy51-2001973Corporate
Reynolds Construction, LLCOrleans, Indiana, United States (USA)201-5002017Private
Kennedy JenksSan Francisco, California, United States (USA)201-5001919Corporate
Rice Lake Construction GroupDeerwood, Minnesota, United States (USA)201-5001984Private
Alder ConstructionSalt Lake City, Utah, United States (USA)51-2001965Family Owned
Moltz Construction, Inc.Windsor, Colorado, United States (USA)201-5001989Private
Afroughbana.co.Tehran, Tehran, Iran51-2002003Private
Cid SrlColloredo Di Monte Albano, Friuli-Venezia Giulia, Italy11-501979Private
Dahi Bondad CompanyTehran, Tehran, Iran51-2002010Private
Aquatec MaxconWulkuraka, Queensland, Australia201-5001970Private
Ward and BurkeKilcolgan, Galway, Ireland1001-50002001Private
Harbor Pacific Contractors, Inc.Redmond, Washington, United States (USA)11-501987Private
John T. Jones Construction Co.Fargo, North Dakota, United States (USA)51-2001953Family Owned
Green TechKabul, Kabul, Afghanistan51-2002007Private
Hidroinzeniring d.o.o.Ljubljana, Ljubljana, Slovenia11-501971Private
Novexx Pte LtdSingapore51-2002001Private
InnciveMadrid, Madrid, Spain51-2001999Private
StirlochTraralgon, Victoria, Australia11-501997Private
Shafab Engineering Co.Tehran, Tehran, Iran201-5001981Private
IetosHeliopolis, Cairo Governorate, Egypt201-5002001Private


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