Environmental consulting companies in New York focus on environmental planning, risk assessment, and regulatory compliance. These firms cater to both governmental and private clients, offering services like remediation, ecological assessments, and sustainability consulting. As industries become more environmentally conscious, the demand for innovative solutions is on the rise. Companies are increasingly integrating technology into their practices, driving efficiency and clarity. Additionally, the state’s emphasis on sustainable development creates a conducive environment for these firms to thrive. Understanding local policies and regulations is critical, making these professionals invaluable in navigating complex environmental challenges.


The companies in this list vary in size and specialization, with many operating out of New York City and its surroundings. Founded between 1961 and 2022, these firms employ anywhere from a handful to several thousand professionals. Their specializations range from air quality management to environmental remediation and sustainability. The mix of established firms and newer entrants showcases innovation in the industry. The smaller firms bring agility, while larger companies leverage their resources for extensive projects, creating a dynamic marketplace for environmental solutions.


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


Top 25 Environmental Consulting Companies in New York


1. Roux

  • Website: rouxinc.com
  • Ownership type: Corporate
  • Headquarters: Islandia, New York, United States (USA)
  • Employee distribution: United States (USA) 100%
  • Latest funding: May 2021
  • Founded year: 1981
  • Headcount: 201-500
  • LinkedIn: roux-associates

Roux is an environmental consulting firm based in Islandia, New York, founded in 1981. With a workforce of approximately 442 employees, Roux specializes in a wide array of services that address environmental, health, and safety compliance, ecological risk assessments, and remediation efforts. The firm serves a mix of private and public sector clients, helping them navigate the complexities of environmental regulations and manage risks associated with contamination. Roux has a strong emphasis on sustainability, offering green and sustainable remediation solutions. Their projects include significant undertakings in various sectors, such as energy, industrial facilities, and real estate development. Roux operates through multiple legal entities, showcasing their extensive reach and operational capabilities in the environmental consulting field.


2. 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., based in Yaphank, New York, is an environmental consulting firm that has been operational since 1993. With a workforce of approximately 132 employees, the company specializes in providing comprehensive solutions for environmental management, remediation, and construction. EnviroTrac serves a wide array of clients, including businesses and government agencies, helping them navigate environmental challenges and adhere to regulatory requirements. Their service offerings include brownfields development, due diligence assessments, emergency spill response, and groundwater remediation, among others. The firm prides itself on its commitment to safety, as evidenced by their trademarked safety program, 'Safety On®,' and has achieved over two million hours without a lost time accident. EnviroTrac operates through a network of licensed professionals, ensuring that they deliver expert assessments and innovative solutions tailored to the unique needs of their clients. Their involvement in various sectors, including oil and gas, real estate, and environmental litigation, further underscores their relevance in the environmental consulting industry.


3. 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 has built a reputation for providing comprehensive engineering services and sustainability solutions. PWGC specializes in environmental compliance, waste management, and engineering practices, serving clients in sectors such as healthcare, government, and real estate. Their services include carbon footprint assessments, civil and site engineering, remediation, and sustainability consulting. The firm prides itself on its ability to help clients navigate regulatory challenges while enhancing their environmental impact. With a team of over 60 professionals, PWGC is equipped to handle a variety of projects, from wastewater upgrades to brownfield redevelopment. Their commitment to client satisfaction and ethical practices is evident in their mission to help clean up the planet for future generations.


4. THEMAG Engenharia e Gerenciamento Ltda


THEMAG Engenharia e Gerenciamento Ltda, founded in 1961 and based in São Paulo, Brazil, is an engineering consulting firm that specializes in environmental studies, energy consulting, and infrastructure projects. The company has built a solid reputation for its expertise in navigating regulatory requirements and ensuring sustainable project development. THEMAG's services include conducting Environmental Impact Assessments (EIA) and developing comprehensive plans for monitoring and controlling environmental impacts. Their multidisciplinary team is equipped to handle projects across various sectors, including energy generation, mining, and industrial plants. With a commitment to quality and ethical standards, THEMAG aims to meet client needs while promoting environmental responsibility. The firm operates primarily in Brazil, serving both private businesses and government entities, which highlights its significant role in the local consulting market.


5. 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, established in 1981. With a workforce of around 400 employees, Akrf specializes in engineering and environmental services. The firm offers a wide range of services, including environmental impact assessments, civil engineering, urban planning, and sustainability consulting. Akrf works with various clients, including real estate developers and government entities, helping them navigate regulatory frameworks and implement sustainable practices. Their expertise extends to critical areas such as climate resilience, water resource management, and ecological restoration. Akrf has been involved in numerous significant projects, including combined sewer overflow initiatives and the development of green infrastructure, demonstrating their active role in addressing pressing environmental challenges.


6. 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 economic analysis. 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 projects in the New York Metro area and Hudson Valley, contributing to community development and environmental stewardship. Their commitment to quality and innovative solutions positions them as a significant player in the environmental consulting industry.


7. Walden Environmental Engineering, PLLC


Walden Environmental Engineering, PLLC, based in Oyster Bay, New York, is an environmental consulting firm that has been operational since 1995. The company specializes in a broad spectrum of services, including air quality management, site remediation, and regulatory compliance. With a team of experienced engineers, geologists, and hydrogeologists, Walden is dedicated to addressing the unique environmental challenges faced by their clients. Their clientele primarily consists of businesses in the construction and manufacturing sectors, which often require expert guidance to navigate the intricate web of environmental regulations. Walden emphasizes a collaborative approach, ensuring that they tailor their services to meet the specific needs of each client. The firm has also expanded its service offerings over the years, demonstrating a commitment to innovation and responsiveness in a constantly evolving industry. Their community outreach initiatives and focus on sustainability further reflect their dedication to improving environmental conditions and supporting local communities.


8. 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 is a consulting firm based in Rochester, New York, established in 1978. With a workforce of approximately 1,439 employees, the company operates primarily in the United States, with a small presence in Spain. LaBella provides a broad spectrum of professional services, including architecture, engineering, and environmental consulting. Their environmental consulting division is particularly noteworthy, offering services such as air permitting, brownfield and urban redevelopment, environmental due diligence, and wetlands and ecological services. The firm collaborates with various clients, including businesses and government entities, to tackle infrastructure and environmental challenges. LaBella emphasizes a partnership approach, focusing on responsiveness and collaboration to meet client needs effectively. Their commitment to sustainability and community involvement is evident in their project work, which often aims to balance environmental protection with economic growth.


9. ASA Analysis & Communication, Inc.

  • Website: asaac.com
  • Ownership type: Private
  • Headquarters: Warwick, New York, United States (USA)
  • Employee distribution: United States (USA) 100%
  • Founded year: 1995
  • Headcount: 11-50
  • LinkedIn: asa-analysis-communication-inc

ASA Analysis & Communication, Inc. is an environmental consulting firm based in Warwick, New York. Established in 1995, the company specializes in providing technical services in ecological sciences, natural resource evaluation, and environmental assessments. ASA primarily serves clients in the energy sector, assisting them with regulatory compliance and conducting necessary environmental studies. Their expertise spans various areas, including the Clean Water Act (CWA), Endangered Species Act (ESA), and National Environmental Policy Act (NEPA) support. ASA has worked on projects involving nuclear and fossil power plants, utility-scale renewable energy projects, and industrial facilities. The firm has completed projects in approximately 40 states, showcasing their extensive experience and capability. In 2020, ASA received certification as a Minority- and Woman-Owned Business Enterprise (MWBE), reflecting their commitment to diversity and inclusion in the industry. Their team consists of experienced professionals who are actively involved in technical work, ensuring high-quality outcomes for their clients.


10. 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 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, environmental due diligence, and remediation of brownfield sites. Chazen has been involved in over 150 brownfield and Superfund sites in New York State, demonstrating their expertise in transforming contaminated properties into usable land. The firm emphasizes sustainable design and effective project management, ensuring that their projects not only meet regulatory requirements but also contribute positively to the environment and community. With a dedicated team and a commitment to client satisfaction, Chazen continues to play a significant role in the environmental consulting industry.


11. Leader Professional Services, Inc.


Leader Professional Services, Inc. is a consulting firm based in Pittsford, New York, with additional offices in Pittsburgh, Pennsylvania. Founded in 1995, the company has built a solid reputation in the environmental consulting industry. They offer a wide range of services, including environmental assessments, safety and industrial hygiene evaluations, and transportation compliance support. Their team consists of certified professionals, including industrial hygienists and engineers, who are well-versed in regulatory requirements. Over the years, Leader has completed numerous environmental site assessments and has assisted clients in various sectors with their environmental and safety needs. Their commitment to providing rapid and cost-effective solutions has made them a trusted partner for businesses aiming to comply with environmental regulations and manage risks effectively.


12. 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 variety of services aimed at addressing environmental challenges faced by businesses and organizations. Their offerings include construction management, water management, and sustainability solutions, all designed to promote safer and more resilient environments. True Environmental's team is composed of professionals with extensive experience in the industry, which enhances their ability to deliver effective solutions. The firm is actively involved in sectors such as coastal resilience, energy, industrial, marine, transportation, and water management. Their recent acquisitions of other environmental consulting firms demonstrate a strategic effort to broaden their service capabilities and market reach. This proactive approach positions True Environmental as a relevant and capable player in the environmental consulting field.


13. Impact Environmental

  • Website: impactenvironmental.com
  • Ownership type: Private
  • Headquarters: Bohemia, New York, United States (USA)
  • Employee distribution: United States (USA) 100%
  • Founded year: 1989
  • Headcount: 51-200
  • LinkedIn: impactenvironmental

Impact Environmental, based in Bohemia, New York, is an environmental consulting firm that has been operational since 1989. With a workforce of approximately 87 employees, the company specializes in a range of services including waste management, environmental consulting, and brownfield redevelopment. They assist various clients, such as banks, attorneys, and construction managers, in navigating the complexities of environmental compliance and remediation. Over the years, Impact Environmental has established itself as a key player in the industry, known for its innovative solutions and hands-on approach. The firm has been involved in notable projects like the East Side Access Tunnel and the redevelopment of Columbia University, demonstrating its capability to handle significant environmental challenges. Their focus on environmental justice and community outreach further highlights their commitment to responsible practices in the field. Impact Environmental operates without reported funding, indicating a self-sustaining business model that has thrived through its operational history.


14. Day Environmental, Inc.

  • Website: dayenvironmental.com
  • Ownership type: Private
  • Headquarters: Rochester, New York, United States (USA)
  • Employee distribution: United States (USA) 100%
  • Founded year: 1984
  • Headcount: 11-50
  • LinkedIn: day-environmental-inc.

Day Environmental, Inc. is an environmental consulting and engineering firm based in Rochester, New York. Established in 1984, the company specializes in providing a wide array of services aimed at helping clients manage environmental risks and comply with regulations. Their offerings include Environmental Site Assessments, Environmental Restoration, Industrial Compliance, and GIS Services. With a team of engineers, scientists, geologists, and technicians, Day Environmental is equipped to tackle complex environmental issues across various sectors, including industry, utilities, and municipalities. The firm has successfully completed numerous projects, demonstrating their expertise in environmental remediation and compliance. Their commitment to maintaining open communication with clients throughout project execution is a hallmark of their service approach. Day Environmental, Inc. continues to play a significant role in the environmental consulting industry, serving a broad spectrum of clients from small businesses to Fortune 500 companies.


15. Cameron Engineering, an IMEG company


Cameron Engineering & Associates, 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 services, including mechanical, electrical, plumbing, civil engineering, and environmental assessments. They cater to both public and private sector clients, ensuring compliance with regulations while delivering innovative solutions to complex engineering challenges. The firm employs a team of experienced professionals, including licensed engineers and environmental scientists, who are dedicated to quality and timely service. Cameron Engineering has been involved in numerous projects that focus on environmental impact assessments, water and wastewater management, and sustainable design practices. Their commitment to energy efficiency is reflected in their staff's LEED accreditation, which they apply to various projects, particularly those funded by New York State. This focus on sustainability and environmental responsibility positions them as a relevant player in the environmental consulting industry.


16. CORE Environmental Consultants, Inc

  • Website: coreenv.com
  • Ownership type: Private
  • Headquarters: Buffalo, New York, United States (USA)
  • Employee distribution: United States (USA) 100%
  • Founded year: 2004
  • Headcount: 11-50
  • LinkedIn: core-environmental-inc

CORE Environmental Consultants, Inc. is an environmental consulting firm based in Buffalo, New York, established in 2004. The company specializes in engineering and compliance services, offering a comprehensive suite of solutions that includes hazardous materials consulting, environmental remediation, and compliance assessments. CORE Environmental assists businesses and organizations across various sectors in navigating the complexities of environmental regulations and managing associated risks. Their services range from lead-based paint inspections and asbestos surveys to groundwater monitoring and stormwater pollution prevention plans. The firm is recognized as a certified Woman Business Enterprise (WBE) and a certified Disadvantaged Business Enterprise (DBE), reflecting its commitment to diversity and inclusion in the industry. With a dedicated team of professionals, CORE Environmental is actively involved in projects that address pressing environmental issues, ensuring that clients can operate safely and sustainably within regulatory frameworks.


17. 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 specializes in environmental consulting services, providing expertise in areas such as site and risk assessment, remediation, and hazardous materials management. With a team of skilled professionals, Brooker Engineering addresses complex environmental issues for a variety of clients, including government agencies and private sector businesses. Their commitment to sustainability and environmental protection is evident in their project portfolio, which includes initiatives aimed at brownfield redevelopment and compliance with environmental regulations. The firm operates with a focus on delivering practical solutions that meet the needs of their clients while promoting environmental stewardship.


18. 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 consulting engineering firm based in New York City, specializing in water management solutions. Founded in 1951, the company has grown to employ over 1,900 professionals across the United States. Their services cover a wide range of water-related challenges, including drinking water, wastewater, and stormwater management. Hazen and Sawyer works closely with municipal utilities and government agencies to help them navigate complex water quality issues and comply with environmental regulations. The firm is recognized for its innovative approaches to water treatment and resource recovery, addressing emerging contaminants like PFAS and adapting to the impacts of climate change. Their commitment to public health and environmental protection is evident in their extensive portfolio of projects that aim to enhance water supply and quality for communities nationwide.


19. 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 providing expert guidance in areas such as air quality management, landfill engineering, and environmental compliance. With a workforce of approximately 68 employees, Cornerstone serves a variety of clients, including businesses and organizations that require assistance in managing waste and adhering to regulatory standards. Since 2015, Cornerstone has operated as a subsidiary of Tetra Tech, Inc., which has expanded its technical capabilities and project execution across multiple markets. The firm is committed to delivering quality engineering services and has successfully completed numerous projects under various regulatory agencies.


20. Growlity, Inc.

  • Website: growlity.com
  • Ownership type: Private
  • Headquarters: New York, New York, United States (USA)
  • Employee distribution: India 68%, United States (USA) 25%, United Kingdom (UK) 7%
  • Founded year: 2020
  • Headcount: 11-50
  • LinkedIn: growlity-inc

Growlity, Inc., founded in 2020 and based in New York, is a sustainability consulting firm dedicated to assisting businesses in achieving carbon neutrality and enhancing their environmental performance. With a team of 28 professionals, the company offers a range of services including strategy formulation, consulting, reporting, and training. Their expertise extends to specific areas such as Life Cycle Assessment (LCA), Environmental Product Declarations (EPD), and various sustainability certifications. Growlity serves clients across multiple sectors, including luxury goods, textiles, chemicals, healthcare, and energy, demonstrating their adaptability and commitment to addressing sustainability challenges. The firm operates with a global perspective, with a significant portion of its workforce based in India, and aims to create tailored solutions that align with the unique needs of each client. Their mission is to foster growth through sustainability, positioning them as a proactive partner in the journey towards a more sustainable future.


21. EnSol Inc.

  • Website: ensolinc.com
  • Ownership type: Private
  • Headquarters: Niagara Falls, New York, United States (USA)
  • Employee distribution: United States (USA) 100%
  • Founded year: 2010
  • Headcount: 1-10
  • LinkedIn: ensol-inc.

EnSol Inc., founded in 2010 and based in Niagara Falls, New York, is an environmental consulting and engineering firm. With a team of approximately 30 professionals, including licensed engineers and geologists, the company offers a range of services such as environmental assessments, permitting, and construction management. EnSol primarily serves businesses in the waste management sector, assisting them in navigating complex regulatory landscapes and effectively managing their environmental impacts. Their expertise extends to conducting Phase I and Phase II Environmental Site Assessments, wetland delineations, and hydrogeological investigations. EnSol's approach combines technical knowledge with a commitment to integrity and diligence, ensuring that clients receive reliable and effective solutions tailored to their specific needs.


22. BFJ Planning

  • Website: bfjplanning.com
  • Ownership type: Private
  • Headquarters: New York, New York, United States (USA)
  • Employee distribution: United States (USA) 100%
  • Founded year: 1980
  • Headcount: 11-50
  • LinkedIn: bfj-planning

BFJ Planning, established in 1980 and based in New York City, is a consulting firm that specializes in urban planning, environmental analysis, and transportation planning. With a team of 36 professionals, the firm serves a variety of clients, including public agencies, private developers, and non-profit organizations. BFJ Planning has successfully completed over 1,000 projects across the United States and internationally, showcasing their extensive experience in the industry. Their services include comprehensive planning, zoning, environmental reviews, and sustainability initiatives. The firm is particularly noted for its expertise in navigating complex development projects and ensuring compliance with environmental regulations. BFJ Planning also emphasizes community engagement, employing various outreach strategies to involve stakeholders in the planning process. Their work in environmental planning includes conducting assessments under NEPA and SEQR, as well as preparing environmental impact statements for projects in New York City. This focus on environmental compliance and community involvement positions BFJ Planning as a relevant player in the environmental consulting field.


23. 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, known as Amay Associates, PE, PC, is an engineering consulting firm based in New York, specializing in environmental, civil, and mechanical engineering services. Founded in 2003, the company has built a reputation for providing effective solutions to a variety of clients, including municipalities, industrial facilities, and government agencies. Their expertise includes conducting Phase I and II environmental audits, industrial water treatment, and sustainability engineering. Amay Associates has been involved in significant projects such as the Croton Water Filtration Plant and the Gowanus Canal CSO Storage Facility, showcasing their capability in managing complex environmental challenges. The firm operates as a certified Minority and Women Owned Business Enterprise (MWBE) in New York, which enhances their competitive edge in the consulting market. They maintain strong partnerships with larger engineering firms, allowing them to offer comprehensive services to their clients.


24. 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, has been a player in the engineering sector since its founding in 1991. With a team of 11 to 50 employees, the firm specializes in civil engineering, environmental consulting, and surveying services. They cater to a range of clients, including institutions, municipalities, and private developers, providing tailored solutions for site development and regulatory compliance. Their extensive experience includes managing environmental permitting and compliance issues, which are critical in today’s regulatory environment. Ingalls has worked on numerous projects across the Northeastern United States, demonstrating their ability to navigate complex environmental regulations and deliver effective solutions. Their services include wetland delineation, ecological assessments, and stormwater management, showcasing their commitment to environmental stewardship.


25. 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 solving ecological challenges and promoting sustainable practices. Their clientele includes public agencies, non-profit organizations, and educational institutions, reflecting their broad engagement in both local and international projects. eDesign Dynamics emphasizes innovative design and regulatory compliance, often integrating habitat restoration with stormwater management. Their projects range from city-wide water resource planning to specific ecological restoration efforts, demonstrating their capability to address a variety of environmental issues. The firm is also involved in community education and stewardship programming, further enhancing their impact in the environmental sector.



Environmental Consulting Insights: Key Companies in New York


CompanyHeadquarterSizeFoundedOwnership
RouxIslandia, New York, United States (USA)201-5001981Corporate
EnviroTrac Ltd.Yaphank, New York, United States (USA)51-2001993Private
P.W. Grosser Consulting, Inc.Bohemia, New York, United States (USA)51-2001990Private
THEMAG Engenharia e Gerenciamento LtdaBrooklyn, New York, United States (USA)10001+1961Private
AkrfNew York, New York, United States (USA)201-5001981Private
Nelson Pope VoorhisMelville, New York, United States (USA)11-501997Private
Walden Environmental Engineering, PLLCOyster Bay, New York, United States (USA)11-501995Private
LaBella AssociatesRochester, New York, United States (USA)1001-50001978Private
ASA Analysis & Communication, Inc.Warwick, New York, United States (USA)11-501995Private
Chazen, A LaBella CompanyPoughkeepsie, New York, United States (USA)1001-50001947Private
Leader Professional Services, Inc.Pittsford, New York, United States (USA)11-501995Private
True EnvironmentalNew York, New York, United States (USA)201-5002022Private
Impact EnvironmentalBohemia, New York, United States (USA)51-2001989Private
Day Environmental, Inc.Rochester, New York, United States (USA)11-501984Private
Cameron Engineering, an IMEG companyWoodbury, New York, United States (USA)51-2001985Corporate
CORE Environmental Consultants, IncBuffalo, New York, United States (USA)11-502004Private
Brooker Engineering, PLLCSuffern, New York, United States (USA)11-501983Private
Hazen and SawyerNew York, New York, United States (USA)1001-50001951Private
Cornerstone Environmental Group, LLCMiddletown, New York, United States (USA)51-2002004Corporate
Growlity, Inc.New York, New York, United States (USA)11-502020Private
EnSol Inc.Niagara Falls, New York, United States (USA)1-102010Private
BFJ PlanningNew York, New York, United States (USA)11-501980Private
Oxyhin Sdn BhdNew York, New York, United States (USA)11-502003Private
Ingalls & Associates LLPSchenectady, New York, United States (USA)11-501991Corporate
eDesign DynamicsNew York, New York, United States (USA)11-502003Private


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