Environmental engineering companies in New York play a crucial role in addressing key environmental challenges. They focus on sustainability, pollution control, and resource management through various services. The industry consists of firms specializing in areas like water management, waste remediation, and ecological restoration. With growing regulatory pressures and a heightened awareness of climate change, these companies are innovating to meet new environmental standards. The push for cleaner technologies and solutions suggests a bright future, with collaborations likely increasing among public and private stakeholders to sustain urban and natural ecosystems.


The companies in this listing vary in size from small firms to large enterprises, with workforce numbers ranging from 10 to over 5,000 staff. They are strategically located across New York, with offices in metropolitan centers and suburban areas. Founded between the 1940s and the 2000s, each firm showcases unique specializations like civil engineering, environmental remediation, and sustainable design. These firms serve both public sector organizations and private clients, providing essential services that contribute to improved environmental health and compliance with regulations.


Continue reading to discover the top environmental engineering companies in New York.


Top 23 Environmental Engineering Companies in New York


1. GPI / Greenman-Pedersen, Inc.

  • Website: gpinet.com
  • Ownership type: Private
  • Headquarters: Babylon, New York, United States (USA)
  • Employee distribution: United States (USA) 99%
  • Founded year: 1966
  • Headcount: 1001-5000
  • LinkedIn: greenman-pedersen-inc-

GPI / Greenman-Pedersen, Inc. (GPI) is an engineering firm based in Babylon, New York, founded in 1966. With a workforce of approximately 1,380 employees, GPI provides a broad spectrum of services, including civil engineering, environmental consulting, and infrastructure development. The company serves both public and private sector clients, focusing on the design and maintenance of essential infrastructure projects. GPI's expertise extends to various areas such as water and wastewater management, environmental assessments, and sustainable design practices. Their commitment to corporate responsibility and sustainability is evident in their project portfolio, which includes significant contributions to environmental protection and community development. GPI has been recognized in industry rankings, reflecting their impact and reputation in the engineering field.


2. Cameron Engineering, an IMEG company


Cameron Engineering, an IMEG company, is a multi-disciplined consulting engineering and planning firm based in Woodbury, New York. Founded in 1985, the company has built a reputation for providing a wide range of engineering services, including mechanical, electrical, plumbing, civil engineering, and environmental assessments. With a team of over 90 professionals, including licensed engineers and environmental scientists, Cameron Engineering serves both public and private sector clients. Their projects often focus on sustainable design and compliance with environmental regulations, reflecting their commitment to innovative and cost-effective solutions. The firm has been involved in various significant projects, particularly in water and wastewater management, showcasing their expertise in environmental engineering. Their approach integrates a comprehensive understanding of municipal codes and industry standards, ensuring quality and timely delivery of services.


3. THEMAG Engenharia e Gerenciamento Ltda


THEMAG Engenharia e Gerenciamento Ltda, established in 1961, is an engineering consulting firm based in Brazil. The company specializes in environmental studies, energy consulting, and infrastructure projects. With a dedicated focus on environmental impact assessments, they develop comprehensive studies and reports to evaluate the potential effects of various projects on the environment. Their services extend to businesses and government entities, helping clients navigate regulatory requirements and ensure sustainable project development. The firm is committed to maintaining high standards of quality and ethics, as evidenced by their adherence to ISO 9001-2015 standards. The multidisciplinary team at THEMAG is equipped to handle complex projects, from feasibility studies to the commissioning and operation phases, ensuring that environmental considerations are integrated throughout the project lifecycle.


4. Akrf

  • Website: akrf.com
  • Ownership type: Private
  • Headquarters: New York, New York, United States (USA)
  • Employee distribution: United States (USA) 100%
  • Founded year: 1981
  • Headcount: 201-500
  • LinkedIn: akrf-inc-

Akrf, Inc. is a consulting firm based in New York City, founded in 1981. With a workforce of approximately 400 employees, Akrf specializes in engineering and environmental services. The firm offers a broad spectrum of services, including environmental impact assessments, civil engineering, and urban planning. Akrf's clientele includes real estate developers, government agencies, and various organizations seeking to comply with regulatory requirements while promoting sustainable practices. Their expertise extends to critical areas such as water resources, stormwater management, and ecological restoration. Akrf has been involved in numerous significant projects, including combined sewer overflow initiatives and climate resilience strategies, demonstrating their commitment to addressing environmental challenges. The firm emphasizes collaboration and innovation, striving to provide original solutions that meet the needs of their clients and the environment.


5. LaBella Associates

  • Website: labellapc.com
  • Ownership type: Private
  • Headquarters: Rochester, New York, United States (USA)
  • Employee distribution: United States (USA) 97%, Spain 3%
  • Founded year: 1978
  • Headcount: 1001-5000
  • LinkedIn: labella-associates-p-c-

LaBella Associates, founded in 1978 and based in Rochester, New York, is a consulting firm that provides a wide array of professional services, including architecture, engineering, and environmental consulting. With a workforce of approximately 1,439 employees, the company serves a variety of clients, including businesses and government entities, helping them navigate complex infrastructure and environmental challenges. LaBella's environmental consulting division is particularly noteworthy, offering services such as air permitting, environmental due diligence, and wetlands and ecological services. Their projects often focus on sustainable practices and compliance with environmental regulations, showcasing their commitment to protecting natural resources while supporting community development. The firm has built a reputation for responsiveness and collaboration, which are essential in addressing the multifaceted issues within the environmental sector.


6. C&S Companies

  • Website: cscos.com
  • Ownership type: Private
  • Headquarters: Syracuse, New York, United States (USA)
  • Employee distribution: United States (USA) 100%
  • Founded year: 1968
  • Headcount: 501-1000
  • LinkedIn: c%26s-engineers-inc-

C&S Companies, founded in 1968 and based in Syracuse, New York, is a private engineering and construction firm with a workforce of approximately 661 employees. The company offers a broad spectrum of services, including architecture, environmental consulting, and project management. They cater to a variety of clients, such as government agencies, healthcare institutions, and commercial developers, assisting them in navigating complex infrastructure projects. C&S Companies has a notable emphasis on environmental services, which includes conducting environmental assessments, ensuring compliance with regulations, and promoting sustainability in their projects. Their recent work on hazardous substances regulations and PFAS updates showcases their active role in addressing pressing environmental issues. Furthermore, their commitment to energy and sustainability reflects their dedication to fostering environmentally responsible practices across various sectors.


7. P.W. Grosser Consulting, Inc.


P.W. Grosser Consulting, Inc. (PWGC) is an environmental consulting firm based in Bohemia, New York, with additional offices across the state and in Connecticut. Established in 1990, the company specializes in engineering services and sustainability solutions. PWGC serves clients in various sectors, including healthcare, government, and real estate, providing expertise in environmental compliance and engineering practices. The firm is known for its ability to help clients address regulatory challenges and enhance their environmental performance. With a team of over 60 professionals, PWGC offers a wide range of services, such as civil and site engineering, waste management, and remediation. Their projects include significant contributions to wastewater treatment upgrades and brownfield redevelopment, showcasing their active role in improving environmental conditions. The company operates with a mission to assist clients in cleaning up the planet for future generations, reflecting their commitment to sustainability and responsible engineering practices.


8. WENDEL Companies

  • Website: wendelcompanies.com
  • Ownership type: Private
  • Headquarters: Williamsville, New York, United States (USA)
  • Employee distribution: United States (USA) 100%
  • Latest funding: Other (Grant), $120,000, July 2007
  • Founded year: 1940
  • Headcount: 201-500
  • LinkedIn: wendel-companies

WENDEL Companies, based in Williamsville, New York, is a professional services firm founded in 1940. With a workforce of approximately 329 employees, the company specializes in architecture, engineering, energy efficiency, and construction management. WENDEL provides tailored solutions to a variety of clients, including local and state governments, educational institutions, and private developers. Their expertise spans a wide range of services, particularly in environmental engineering, where they focus on critical areas such as drinking water and wastewater management, stormwater systems, and civil engineering. The firm is also dedicated to promoting sustainability through energy efficiency initiatives and renewable energy projects. Their approach includes comprehensive energy audits, clean energy master planning, and the implementation of energy performance contracts. WENDEL's commitment to enhancing infrastructure while addressing environmental concerns positions them as a relevant player in the environmental engineering industry.


9. Cornerstone Environmental Group, LLC


Cornerstone Environmental Group, LLC, based in Middletown, New York, is an engineering firm that specializes in environmental and solid waste management services. Founded in 2004, the company has built a reputation for delivering expert guidance in managing waste and ensuring compliance with environmental regulations. Their service offerings include air quality management, landfill engineering, and environmental compliance, catering to a variety of businesses and organizations. Since 2015, Cornerstone has been subcontracting services to Tetra Tech, Inc., which has expanded their technical project execution capabilities across multiple markets. The firm operates under several state-registered professional entities, ensuring that all engineering work is performed by licensed professionals. With a dedicated team experienced in various engineering disciplines, Cornerstone has successfully completed numerous projects involving design, permitting, construction, and certification of solid waste facilities under various regulatory agencies.


10. D&B Engineers and Architects, P.C.

  • Website: db-eng.com
  • Ownership type: Private
  • Headquarters: Woodbury, New York, United States (USA)
  • Founded year: 1965
  • Headcount: 201-500
  • LinkedIn: dvirka-%26-bartilucci

D&B Engineers and Architects, P.C. is a well-established engineering and architectural firm based in Woodbury, New York. Founded in 1965, the company has developed a robust portfolio of services that includes civil engineering, environmental remediation, construction management, and various integrated services. D&B is particularly noted for its work in environmental investigation and remediation, which addresses critical issues related to pollution and environmental sustainability. The firm serves a wide range of clients, including governmental agencies and private sector organizations, emphasizing innovative and sustainable solutions to complex design and construction challenges. Their multidisciplinary approach allows them to tackle projects that require a blend of engineering and architectural expertise, ensuring that they meet the evolving needs of their clients while adhering to environmental standards.


11. Brooker Engineering, PLLC

  • Website: brookerengineering.com
  • Ownership type: Private
  • Headquarters: Suffern, New York, United States (USA)
  • Employee distribution: United States (USA) 100%
  • Founded year: 1983
  • Headcount: 11-50
  • LinkedIn: brooker-engineering

Brooker Engineering, PLLC is a private consulting firm based in Suffern, New York, established in 1983. The company focuses on providing environmental engineering services, including site assessments, remediation, and compliance consulting. With a team of approximately 30 employees, Brooker Engineering has built a reputation for addressing complex environmental issues for both public and private sector clients. Their expertise extends to hazardous materials management, environmental impact assessments, and regulatory compliance, making them a valuable partner for organizations seeking to navigate the intricacies of environmental regulations. The firm has not reported any recent funding, indicating a stable operational model that relies on its established client base and industry experience.


12. Chazen, A LaBella Company

  • Website: chazencompanies.com
  • Ownership type: Private
  • Headquarters: Poughkeepsie, New York, United States (USA)
  • Employee distribution: United States (USA) 100%
  • Founded year: 1947
  • Headcount: 1001-5000
  • LinkedIn: the-chazen-companies

Chazen, A LaBella Company, based in Poughkeepsie, New York, is a professional services firm that specializes in architecture, engineering, and environmental consulting. Founded in 1947, the company has built a solid reputation for providing comprehensive solutions across various sectors, including public works and healthcare. Their environmental consulting services cover a wide range of areas, such as air permitting, brownfield redevelopment, and water resource planning. Chazen has been actively involved in over 150 brownfield and Superfund sites in New York State, showcasing their expertise in transforming contaminated properties into usable spaces. Their commitment to sustainable design and effective project management further underscores their role in the environmental engineering industry.


13. EnviroTrac Ltd.

  • Website: envirotrac.com
  • Ownership type: Private
  • Headquarters: Yaphank, New York, United States (USA)
  • Employee distribution: United States (USA) 100%
  • Founded year: 1993
  • Headcount: 51-200
  • LinkedIn: envirotrac

EnviroTrac Ltd. is an environmental consulting firm based in Yaphank, New York, with a workforce of approximately 132 employees. Established in 1993, the company specializes in providing comprehensive solutions for environmental management, remediation, and construction. They cater to a variety of clients, including businesses and government agencies, helping them navigate environmental challenges and comply with regulatory requirements. EnviroTrac's service offerings include brownfields development, groundwater remediation, emergency spill response, and environmental compliance, among others. The firm operates through a network of professionals dedicated to safety and sustainability, boasting over 70 licensed professionals. Their commitment to safety is underscored by their trademarked program, "Safety On®," which emphasizes the importance of a secure working environment. EnviroTrac's extensive experience and expertise in environmental consulting and engineering make them a relevant player in the industry.


14. Hazen and Sawyer

  • Website: hazenandsawyer.com
  • Ownership type: Private
  • Headquarters: New York, New York, United States (USA)
  • Employee distribution: United States (USA) 99%, Other 1%
  • Latest funding: Other (Grant), $130,000, February 2012
  • Founded year: 1951
  • Headcount: 1001-5000
  • LinkedIn: hazen-and-sawyer

Hazen and Sawyer is a private consulting engineering firm based in New York City, founded in 1951. The company specializes in water management solutions, focusing on drinking water, wastewater, and stormwater management. They serve municipal utilities and government agencies, providing essential services that address water quality challenges and ensure compliance with environmental regulations. With a workforce of approximately 1,941 employees, Hazen and Sawyer has established itself as a significant player in the water sector. Their projects include innovative treatment systems and advanced technologies aimed at improving water supply and quality. The firm is also involved in applied research initiatives, contributing to the development of cutting-edge solutions in wastewater treatment and stormwater management. Their commitment to public health and environmental protection is evident in their work, which aims to deliver sustainable and effective water management solutions to communities across the United States.


15. Stv

  • Website: stvinc.com
  • Ownership type: Private
  • Headquarters: New York, New York, United States (USA)
  • Employee distribution: United States (USA) 99%
  • Founded year: 1912
  • Headcount: 1001-5000
  • LinkedIn: stv

STV Incorporated, founded in 1912 and based in New York City, is a private professional services firm with a workforce of approximately 3,855 employees. The company specializes in architecture, engineering, construction management, and planning, serving both government and private sector clients. STV is dedicated to providing innovative solutions for infrastructure projects that not only enhance community development but also prioritize sustainability. Their operations span across North America, with a strong emphasis on local engagement and collaboration. STV's services include environmental engineering, where they focus on sustainable design and resilience planning, ensuring that their projects meet the environmental needs of the communities they serve. They have been involved in significant projects such as the LA Metro Zero-Emissions Bus Program and various environmental planning initiatives, showcasing their commitment to integrating environmental considerations into their work.


16. Thornton Tomasetti

  • Website: thorntontomasetti.com
  • Ownership type: Private
  • Headquarters: New York, New York, United States (USA)
  • Employee distribution: United States (USA) 68%, India 16%, United Kingdom (UK) 8%, Other 8%
  • Founded year: 1949
  • Headcount: 1001-5000
  • LinkedIn: thornton-tomasetti

Thornton Tomasetti is a scientific and engineering consulting firm based in New York City, established in 1949. With a workforce of approximately 1,828 employees, the company operates globally, providing a wide array of services that include structural engineering, facade engineering, and sustainability solutions. They cater to various sectors such as architecture, construction, and defense, helping clients navigate complex engineering challenges. Thornton Tomasetti emphasizes innovation and collaboration, investing in research and development to enhance their service offerings. Their commitment to sustainability is highlighted through initiatives focused on climate action, decarbonization, and resilience, positioning them as a proactive player in the environmental engineering space.


17. Nelson Pope Voorhis


Nelson Pope Voorhis, established in 1997, is an environmental consulting firm based in Melville, New York. The company specializes in land use planning and analysis, providing a wide array of services that include environmental audits, ecological assessments, stormwater management, and engineering solutions. They cater to both public and private sector clients, focusing on sustainable project outcomes and ensuring compliance with environmental regulations. With a team of experienced professionals, Nelson Pope Voorhis has successfully managed numerous complex environmental projects, demonstrating their capability in navigating the intricacies of environmental consulting. Their portfolio showcases a commitment to quality and innovation in addressing environmental challenges, particularly in the New York Metro area and Hudson Valley. The firm operates without reported funding, indicating a stable, self-sustaining business model.


18. eDesign Dynamics

  • Website: edesigndynamics.com
  • Ownership type: Private
  • Headquarters: New York, New York, United States (USA)
  • Employee distribution: United States (USA) 100%
  • Founded year: 2003
  • Headcount: 11-50
  • LinkedIn: edesign-dynamics

eDesign Dynamics is an environmental engineering and planning firm based in New York City, founded in 2003. The company specializes in water resources modeling, habitat restoration, and green stormwater infrastructure design. They provide consulting services aimed at addressing ecological challenges and promoting sustainable practices. eDesign Dynamics works with a variety of clients, including public agencies, non-profit organizations, and educational institutions, both in the United States and internationally. Their projects often integrate innovative design with regulatory compliance, focusing on urban and rural ecological restoration. The firm is known for its personalized service and collaborative approach, frequently engaging in interdisciplinary teamwork to deliver effective solutions. Their portfolio includes significant projects that highlight their expertise in managing stormwater, restoring habitats, and planning for resilience against climate change.


19. True Environmental

  • Website: true-environmental.com
  • Ownership type: Private
  • Headquarters: New York, New York, United States (USA)
  • Employee distribution: United States (USA) 86%, Canada 14%
  • Founded year: 2022
  • Headcount: 201-500
  • LinkedIn: true-environmental

True Environmental is an environmental consulting and engineering firm based in New York City, founded in 2022. The company specializes in providing a range of services aimed at helping businesses and organizations navigate environmental challenges. Their offerings include construction management, water management, and sustainability solutions. True Environmental's mission is to foster sustainable and resilient environments, which they pursue through expert consulting and engineering services. The firm has a strong focus on key markets such as coastal resilience, energy, industrial, and water management, addressing critical issues like sea level rise and water quality. The leadership team, with extensive experience in the environmental sector, drives the company's commitment to delivering effective solutions. True Environmental is actively expanding its capabilities and has recently acquired other environmental consulting firms to enhance its service offerings.


20. M&J Engineering

  • Website: mjengineers.com
  • Ownership type: Private
  • Headquarters: New Hyde Park, New York, United States (USA)
  • Employee distribution: United States (USA) 98%, Other 2%
  • Founded year: 2004
  • Headcount: 201-500
  • LinkedIn: m%26j-engineering

M&J Engineering P.C. is an engineering and consulting firm based in New Hyde Park, New York, founded in 2004. With a workforce of approximately 313 employees, the company specializes in engineering design, construction management, and environmental consulting. M&J Engineering serves a broad spectrum of clients, including federal, state, and local government agencies, as well as private sector entities. Their focus on infrastructure projects ensures compliance with regulatory standards, which is essential in today's environmentally conscious climate. Notably, M&J has been awarded significant contracts, such as the $800 million USAID Global A-E Services IDIQ contract, which emphasizes their role in promoting sustainable development globally. The firm is also recognized as a certified Minority Business Enterprise (MBE) and Small Business Enterprise (SBE), reflecting their commitment to diversity and inclusion within the engineering sector. With offices across multiple states, M&J Engineering continues to expand its influence and capabilities in the engineering and environmental consulting fields.


21. Delta Engineers, Architects, & Surveyors


Delta Engineers, Architects, & Surveyors, based in Endwell, New York, is a private firm established in 1976. With a workforce of approximately 96 employees, the company specializes in architecture, engineering, and environmental services. They cater to various sectors, including education, healthcare, and commercial enterprises. Delta's environmental services are particularly noteworthy, as they manage projects related to ecological assessments, stormwater management, and compliance with environmental regulations. Their team includes experts in environmental project design and management, ensuring that they meet client needs while adhering to high standards of environmental responsibility. Delta's commitment to quality is underscored by their ISO 9001:2015 certification, reflecting their dedication to maintaining effective quality management systems. The firm has built a reputation for delivering tailored solutions that align with client objectives, making them a relevant player in the environmental engineering sector.


22. Ingalls & Associates LLP

  • Website: ingallsllp.com
  • Ownership type: Corporate
  • Headquarters: Schenectady, New York, United States (USA)
  • Employee distribution: United States (USA) 100%
  • Latest funding: January 2017
  • Founded year: 1991
  • Headcount: 11-50
  • LinkedIn: ingalls-%26-associates-llp

Ingalls & Associates LLP, based in Schenectady, New York, is an engineering firm that has been operational since 1991. With a team of 11 to 50 employees, the company specializes in civil engineering, environmental consulting, and surveying services. They cater to a variety of clients, including institutions, municipalities, and private developers, providing tailored solutions for site development and regulatory compliance. Ingalls has a solid track record in environmental engineering, focusing on environmental permitting, ecological assessments, and compliance with state and federal regulations. Their project portfolio includes significant undertakings such as wetland impact permitting, stormwater pollution prevention plans, and environmental impact statements. This extensive experience positions them as a knowledgeable player in the environmental engineering sector, particularly in the Northeastern United States.


23. HUNT Engineers, Architects & Surveyors


HUNT Engineers, Architects & Surveyors, founded in 1974, is a private firm based in Horseheads, New York. With a workforce of approximately 172 employees, the company specializes in engineering, architecture, and surveying services. HUNT serves a variety of clients, including municipalities, educational institutions, and commercial entities, tackling infrastructure and design challenges across multiple sectors. Their service offerings include environmental engineering, civil engineering, landscape architecture, and more. Notably, HUNT has engaged in projects related to water and wastewater management, demonstrating their commitment to environmental stewardship. The firm also emphasizes sustainable practices, as seen in their solar energy initiatives. HUNT's long-standing presence in the industry and their focus on compliance and successful project execution position them as a relevant player in the environmental engineering sector.



Environmental Engineering Insights: Key Companies in New York


CompanyHeadquarterSizeFoundedOwnership
GPI / Greenman-Pedersen, Inc.Babylon, New York, United States (USA)1001-50001966Private
Cameron Engineering, an IMEG companyWoodbury, New York, United States (USA)51-2001985Corporate
THEMAG Engenharia e Gerenciamento LtdaBrooklyn, New York, United States (USA)10001+1961Private
AkrfNew York, New York, United States (USA)201-5001981Private
LaBella AssociatesRochester, New York, United States (USA)1001-50001978Private
C&S CompaniesSyracuse, New York, United States (USA)501-10001968Private
P.W. Grosser Consulting, Inc.Bohemia, New York, United States (USA)51-2001990Private
WENDEL CompaniesWilliamsville, New York, United States (USA)201-5001940Private
Cornerstone Environmental Group, LLCMiddletown, New York, United States (USA)51-2002004Corporate
D&B Engineers and Architects, P.C.Woodbury, New York, United States (USA)201-5001965Private
Brooker Engineering, PLLCSuffern, New York, United States (USA)11-501983Private
Chazen, A LaBella CompanyPoughkeepsie, New York, United States (USA)1001-50001947Private
EnviroTrac Ltd.Yaphank, New York, United States (USA)51-2001993Private
Hazen and SawyerNew York, New York, United States (USA)1001-50001951Private
StvNew York, New York, United States (USA)1001-50001912Private
Thornton TomasettiNew York, New York, United States (USA)1001-50001949Private
Nelson Pope VoorhisMelville, New York, United States (USA)11-501997Private
eDesign DynamicsNew York, New York, United States (USA)11-502003Private
True EnvironmentalNew York, New York, United States (USA)201-5002022Private
M&J EngineeringNew Hyde Park, New York, United States (USA)201-5002004Private
Delta Engineers, Architects, & SurveyorsEndwell, New York, United States (USA)51-2001976Private
Ingalls & Associates LLPSchenectady, New York, United States (USA)11-501991Corporate
HUNT Engineers, Architects & SurveyorsHorseheads, New York, United States (USA)51-2001974Private


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