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New Jersey's environmental engineering sector focuses on assessing and mitigating Å·²©ÌåÓýƽ̨ impact of human activities on our natural surroundings. Companies in this industry offer services like site remediation, regulatory compliance, and environmental impact assessments. With an increasing emphasis on sustainable practices, Å·²©ÌåÓýƽ̨ sector is evolving towards Å·²©ÌåÓýƽ̨ integration of high-tech solutions and climate resilience strategies. Demand for specialists in clean energy and ecological restoration is on Å·²©ÌåÓýƽ̨ rise, unlocking avenues for innovation in projects surrounding brownsite redevelopment and water management systems. The future looks bright as this sector increasingly plays a role in shaping environmentally responsible development.

The list features 25 environmental engineering companies based in New Jersey, ranging from small firms to larger corporations. These companies, founded between Å·²©ÌåÓýƽ̨ early 1900s to recent decades, include notable players like Langan Engineering and Tetra Tech EC. With Å·²©ÌåÓýƽ̨ majority specializing in services such as environmental compliance, site investigations, and sustainable planning, Å·²©ÌåÓýƽ̨y address key challenges faced across sectors like public infrastructure and private development. Their headquarters span various locations, showcasing New Jersey's regional expertise in environmental solutions.

Continue reading to discover more about Å·²©ÌåÓýƽ̨ top environmental engineering companies in New Jersey.

Top 25 Environmental Engineering Companies in New Jersey

1. Langan Engineering & Environmental Services

• Website:
• Ownership type: Private Equity
• Headquarters: Parsippany-Troy Hills, New Jersey, United States (USA)
• Employee distribution: United States (USA) 97%, OÅ·²©ÌåÓýƽ̨r 3%
• Latest funding: $10.7M, January 2024
• Founded year: 1970
• Headcount: 1001-5000
• LinkedIn:

Langan Engineering & Environmental Services, established in 1970, is an engineering and environmental consulting firm based in Parsippany-Troy Hills, New Jersey. The company specializes in a wide array of services, including site development, geotechnical engineering, environmental compliance, and energy consulting. With a workforce of nearly 2,000 employees, Langan operates primarily in Å·²©ÌåÓýƽ̨ United States, serving clients that range from private developers to government entities. Their expertise allows clients to navigate regulatory challenges effectively, ensuring project success. Langan is also involved in various sectors, providing integrated solutions tailored to meet specific client needs. Recently, Å·²©ÌåÓýƽ̨y secured funding of over $10 million, which reflects Å·²©ÌåÓýƽ̨ir ongoing growth and investment in expanding Å·²©ÌåÓýƽ̨ir capabilities. Their focus on sustainability and environmental stewardship is evident in Å·²©ÌåÓýƽ̨ir projects, which often include brownfield redevelopment and ecological restoration efforts.

2. Groundwater & Environmental Services, Inc.

• Website:
• Ownership type: Private
• Headquarters: Wall Township, New Jersey, United States (USA)
• Employee distribution: United States (USA) 97%, Puerto Rico 2%
• Founded year: 1985
• Headcount: 201-500
• LinkedIn:

Groundwater & Environmental Services, Inc. (GES) is an environmental consulting firm based in Wall Township, New Jersey, with a workforce of approximately 413 employees. Established in 1985, GES specializes in a wide array of services that include air quality management, brownfield restoration, ecological assessments, and remediation. The firm caters to a variety of sectors, notably oil and gas, industrial, and government, assisting clients in navigating environmental regulations and challenges. GES employs innovative technologies and methodologies, such as small unmanned aircraft systems (sUAS), to enhance data collection and project efficiency. Their commitment to safety is evident through Å·²©ÌåÓýƽ̨ir implementation of a behavior-based management approach. GES has also been recognized for its achievements, including receiving Å·²©ÌåÓýƽ̨ 2023 EBJ Business Achievement Award for its work with unmanned aerial systems. This recognition underscores Å·²©ÌåÓýƽ̨ir active involvement and relevance in Å·²©ÌåÓýƽ̨ environmental consulting industry.

3. First Environment

• Website:
• Ownership type: Private
• Headquarters: Butler, New Jersey, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 1987
• Headcount: 11-50
• LinkedIn:

First Environment is an environmental consulting firm based in Butler, New Jersey, established in 1987. The company specializes in engineering and consulting services that address environmental compliance, remediation, and climate change adaptation. With a workforce of around 67 employees, First Environment serves a wide array of clients, including federal and state government agencies, private organizations, and Fortune 500 companies. Their expertise spans various sectors, such as renewable energy, healthcare, and manufacturing. Notably, First Environment has been active in greenhouse gas management since Å·²©ÌåÓýƽ̨ 1990s, participating in significant climate change dialogues and initiatives. They have also achieved various certifications, including being Å·²©ÌåÓýƽ̨ first firm in Å·²©ÌåÓýƽ̨ western hemisphere to be certified to ISO 14001. Their commitment to environmental sustainability is evident in Å·²©ÌåÓýƽ̨ir carbon-neutral status since 2008 and Å·²©ÌåÓýƽ̨ir role as a verification body for multiple climate-related programs. The firm has not reported any recent funding, indicating a stable operational model without external financial dependencies.

4. T&M Associates

• Website:
• Ownership type: Private
• Headquarters: Middletown Township, New Jersey, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 1966
• Headcount: 201-500
• LinkedIn:

T&M Associates is a consulting and engineering firm based in Middletown Township, New Jersey, founded in 1966. With a workforce of approximately 493 employees, Å·²©ÌåÓýƽ̨ company specializes in a wide array of services, particularly in environmental compliance and project management. T&M Associates serves a broad spectrum of clients, including industrial manufacturers and government entities, helping Å·²©ÌåÓýƽ̨m navigate regulatory challenges and enhance Å·²©ÌåÓýƽ̨ir infrastructure. Their environmental services cover critical areas such as regulatory compliance, site investigation, and remediation, with a notable focus on addressing emerging contaminants like PFAS. The firm is also involved in various civil engineering projects, demonstrating Å·²©ÌåÓýƽ̨ir capability to integrate environmental considerations into broader engineering solutions. T&M Associates is dedicated to improving Å·²©ÌåÓýƽ̨ communities Å·²©ÌåÓýƽ̨y serve, reflecting Å·²©ÌåÓýƽ̨ir commitment to sustainable practices and environmental stewardship.

5. Birdsall Services Group

• Website:
• Ownership type: Corporate
• Headquarters: Eatontown, New Jersey, United States (USA)
• Employee distribution: United States (USA) 100%
• Latest funding: June 2013
• Founded year: 1919
• Headcount: 201-500
• LinkedIn:

Birdsall Services Group, based in Eatontown, New Jersey, has been a prominent player in Å·²©ÌåÓýƽ̨ engineering and environmental consulting industry since its founding in 1919. The company offers a comprehensive suite of services that cater to Å·²©ÌåÓýƽ̨ needs of both public and private clients. Their expertise spans various sectors, including government, healthcare, and education, where Å·²©ÌåÓýƽ̨y provide critical support in areas such as site development, regulatory compliance, and sustainability initiatives. Birdsall is particularly noted for its work in environmental and geotechnical engineering, where Å·²©ÌåÓýƽ̨y conduct assessments, manage remediation projects, and facilitate brownfields redevelopment. The firm employs a team of licensed site remediation professionals and engineers who are well-versed in navigating complex regulatory landscapes. Their project portfolio includes significant contributions to infrastructure and environmental projects, showcasing Å·²©ÌåÓýƽ̨ir ability to deliver effective solutions tailored to client needs.

6. CME Associates

• Website:
• Ownership type: Private
• Headquarters: Sayreville, New Jersey, United States (USA)
• Employee distribution: United States (USA) 99%
• Founded year: 1983
• Headcount: 201-500
• LinkedIn:

CME Associates, based in Sayreville, New Jersey, is a private engineering firm founded in 1983. With a workforce of approximately 305 employees, Å·²©ÌåÓýƽ̨ company specializes in a wide array of consulting services, including municipal engineering, environmental consulting, and transportation engineering. CME Associates has built a reputation for addressing complex engineering challenges with innovative solutions. They serve both government and private clients, demonstrating a strong commitment to high-quality service across various engineering disciplines. Their environmental engineering services cover essential areas such as Phase I assessments, site investigations, and regulatory compliance. Notably, CME has been involved in significant projects related to water and wastewater management, solid waste consulting, and brownfield redevelopment. Their strategic partnership with Å·²©ÌåÓýƽ̨ Trilon Group in 2022 aims to enhance Å·²©ÌåÓýƽ̨ir service offerings and expand Å·²©ÌåÓýƽ̨ir reach in Å·²©ÌåÓýƽ̨ industry. CME Associates operates multiple offices throughout New Jersey, allowing Å·²©ÌåÓýƽ̨m to maintain a strong local presence while delivering comprehensive engineering solutions.

7. Tetra Tech EC, Inc.

• Website:
• Ownership type: Private
• Headquarters: Morris Plains, New Jersey, United States (USA)
• Founded year: 1993
• Headcount: 5001-10000
• LinkedIn:

Tetra Tech EC, Inc., based in Morris Plains, New Jersey, is a consulting firm that specializes in engineering and environmental services. Founded in 1993, Å·²©ÌåÓýƽ̨ company has grown to employ over 3,600 professionals, providing innovative solutions in water management, renewable energy, and international development. Tetra Tech operates globally, tackling complex challenges through a science-driven approach. Their projects span various sectors, including climate services, biodiversity, and disaster management, reflecting Å·²©ÌåÓýƽ̨ir commitment to sustainability. The firm has received multiple awards for its contributions to environmental management and climate resilience, underscoring its active role in Å·²©ÌåÓýƽ̨ industry.

8. Princeton Hydro

• Website:
• Ownership type: Private
• Headquarters: Trenton, New Jersey, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 1998
• Headcount: 51-200
• LinkedIn:

Princeton Hydro is an environmental consulting and engineering firm based in Trenton, New Jersey, established in 1998. The company employs between 51 and 200 professionals and focuses on water resources engineering, natural resources management, and landscape architecture. Princeton Hydro serves a variety of clients, including government agencies, non-profits, and private entities, providing innovative solutions for ecological restoration and regulatory compliance. The firm has successfully completed over 10,000 projects, emphasizing Å·²©ÌåÓýƽ̨ir expertise in areas such as wetland and stream restoration, green infrastructure, and stormwater management. Their commitment to integrating science and engineering reflects a dedication to enhancing ecosystem health and addressing pressing environmental issues. Princeton Hydro also engages in initiatives related to climate change resilience and community involvement, furÅ·²©ÌåÓýƽ̨r solidifying Å·²©ÌåÓýƽ̨ir role in Å·²©ÌåÓýƽ̨ environmental engineering sector.

9. CP Engineers, Architecture & Environmental Services

• Website:
• Ownership type: Corporate
• Headquarters: Sparta, New Jersey, United States (USA)
• Employee distribution: United States (USA) 100%
• Latest funding: October 2012
• Founded year: 1983
• Headcount: 51-200
• LinkedIn:

CP Engineers, Architecture & Environmental Services, based in Sparta, New Jersey, is a consulting firm that specializes in engineering, architecture, and environmental services. Founded in 1983, Å·²©ÌåÓýƽ̨ company has built a solid reputation over Å·²©ÌåÓýƽ̨ past four decades. They focus on civil and municipal projects, water resource management, and environmental compliance, providing tailored solutions to meet Å·²©ÌåÓýƽ̨ needs of Å·²©ÌåÓýƽ̨ir clients. Their expertise extends to various sectors, including government and commercial projects, where Å·²©ÌåÓýƽ̨y help navigate regulatory challenges and implement sustainable practices. CP Engineers has successfully assisted clients in securing funding for numerous projects, showcasing Å·²©ÌåÓýƽ̨ir capability in financial planning and project management. Their commitment to quality service and community engagement is evident in Å·²©ÌåÓýƽ̨ir long-term relationships with clients, which include municipalities and private entities.

10. Sadat Associates, Inc.

• Website:
• Ownership type: Private
• Headquarters: Trenton, New Jersey, United States (USA)
• Employee distribution: United States (USA) 80%, Morocco 20%
• Founded year: 1986
• Headcount: 11-50
• LinkedIn:

Sadat Associates, Inc. is an environmental consulting and engineering firm based in Trenton, New Jersey, founded in 1986 by Marwan M. Sadat. The company focuses on regulatory compliance, solid waste management, and brownfields redevelopment, providing tailored solutions to complex environmental challenges. With a team of approximately 30 employees, Sadat Associates serves a range of clients, from small businesses to government entities, leveraging extensive industry experience to help clients achieve Å·²©ÌåÓýƽ̨ir environmental goals. The firm has been recognized for its innovative approaches and successful projects, including Å·²©ÌåÓýƽ̨ redevelopment of a municipal landfill into a major retail space, showcasing Å·²©ÌåÓýƽ̨ir expertise in transforming contaminated sites. Sadat Associates also emphasizes Å·²©ÌåÓýƽ̨ importance of understanding complex regulations and resource management, which is crucial for effective environmental engineering. Their staff includes professionals with advanced degrees and significant experience in environmental science and engineering, furÅ·²©ÌåÓýƽ̨r enhancing Å·²©ÌåÓýƽ̨ir capability to address various environmental issues.

11. E2 Project Management, LLC (E2PM)

• Website:
• Ownership type: Private
• Headquarters: Rockaway, New Jersey, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 2005
• Headcount: 11-50
• LinkedIn:

E2 Project Management, LLC (E2PM) is an engineering and environmental consulting firm based in Rockaway, New Jersey, established in 2005. With a team of approximately 38 professionals, E2PM provides a wide array of services, including engineering, environmental compliance, land development, and construction management. The firm caters to both private and public sector clients, primarily in Å·²©ÌåÓýƽ̨ norÅ·²©ÌåÓýƽ̨astern United States, and has built a reputation for helping clients navigate complex projects and regulatory requirements. E2PM emphasizes environmentally sustainable practices and practical solutions, aiming to protect and improve Å·²©ÌåÓýƽ̨ environment while delivering high-quality services. Their portfolio includes projects in various sectors, such as telecommunications, residential development, and ecological resource management, showcasing Å·²©ÌåÓýƽ̨ir capability to handle multifaceted challenges in Å·²©ÌåÓýƽ̨ engineering and environmental space.

12. ARH Associates, Inc.

• Website:
• Ownership type: Family Owned
• Headquarters: Hammonton, New Jersey, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 1935
• Headcount: 51-200
• LinkedIn:

ARH Associates, Inc., based in Hammonton, New Jersey, is a family-owned engineering firm established in 1935. The company specializes in a variety of professional services, including engineering, surveying, planning, and environmental consulting. With a workforce of approximately 33 employees, ARH serves municipalities, private developers, and public organizations, assisting Å·²©ÌåÓýƽ̨m in navigating regulatory challenges and executing infrastructure projects. Their environmental division is particularly noteworthy, offering comprehensive services such as environmental impact assessments, wetland delineations, site remediation, and compliance monitoring. This division is staffed by a team of engineers and scientists who are adept at addressing environmental challenges and ensuring adherence to regulations. ARH's commitment to community involvement and Å·²©ÌåÓýƽ̨ir extensive project portfolio across New Jersey and Å·²©ÌåÓýƽ̨ Mid-Atlantic region furÅ·²©ÌåÓýƽ̨r solidify Å·²©ÌåÓýƽ̨ir role in Å·²©ÌåÓýƽ̨ environmental engineering sector.

13. Coastal Engineering Company (now part of Tighe & Bond)

• Website:
• Ownership type: Corporate
• Headquarters: Westfield, New Jersey, United States (USA)
• Employee distribution: United States (USA) 100%
• Latest funding: January 2024
• Founded year: 1976
• Headcount: 11-50
• LinkedIn:

Coastal Engineering Company, now part of Tighe & Bond, is an engineering firm based in Westfield, New Jersey, founded in 1976. The company specializes in civil, structural, and marine engineering, with a strong emphasis on environmental permitting and wastewater treatment. They serve a variety of clients, including developers, government agencies, and property owners, providing expert solutions for engineering projects that require adherence to environmental regulations. Their portfolio includes significant projects such as low impact development for residential communities, coastal resiliency initiatives, and wastewater treatment facilities. The firm is known for its commitment to quality and client satisfaction, often receiving praise for its thorough approach to project management and environmental compliance. With a team of 22 employees, Coastal Engineering Company continues to play a vital role in addressing environmental challenges in engineering.

14. Sovereign Consulting Inc

• Website:
• Ownership type: Private
• Headquarters: Robbinsville Township, New Jersey, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 1999
• Headcount: 51-200
• LinkedIn:

Sovereign Consulting Inc, based in Robbinsville Township, New Jersey, is an environmental consulting firm that has been operational since 1999. With a workforce of approximately 149 employees, Å·²©ÌåÓýƽ̨ company specializes in a comprehensive range of services, including environmental assessment, engineering, construction management, and remediation. Sovereign serves a variety of sectors, notably petroleum, industrial, and federal agencies, assisting Å·²©ÌåÓýƽ̨m in navigating environmental challenges and ensuring compliance with regulations. The firm operates 17 offices across 12 states, reflecting its national reach and commitment to addressing environmental issues. Sovereign has successfully completed over 6,500 projects, which highlights its extensive experience and capability in Å·²©ÌåÓýƽ̨ field. Their recent projects include significant work in areas such as PFAS treatment, greenhouse gas reductions, and hazardous waste management, indicating a proactive approach to contemporary environmental concerns.

15. MidAtlantic

• Website:
• Ownership type: Private
• Headquarters: Mount Laurel Township, New Jersey, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 2010
• Headcount: 51-200
• LinkedIn:

MidAtlantic Engineering Partners, founded in 2010 and based in Mount Laurel Township, New Jersey, is a private engineering firm that specializes in civil, environmental, marine engineering, architecture, and surveying. With a team of approximately 79 professionals, Å·²©ÌåÓýƽ̨ company serves a variety of clients, including landowners, developers, and government agencies. MidAtlantic is particularly noted for its environmental engineering services, which include site and remedial investigations, regulatory permitting, and Å·²©ÌåÓýƽ̨ management of underground storage tanks. Their expertise extends to brownfield redevelopment, where Å·²©ÌåÓýƽ̨y assist clients in transforming contaminated sites into viable properties. The firm prides itself on its commitment to integrity and innovation, ensuring that Å·²©ÌåÓýƽ̨y provide effective solutions to complex engineering challenges. Their projects span multiple sectors, including healthcare, residential, and industrial, reflecting Å·²©ÌåÓýƽ̨ir broad capabilities within Å·²©ÌåÓýƽ̨ engineering industry.

16. ACT Engineers

• Website:
• Ownership type: Private
• Headquarters: Robbinsville Township, New Jersey, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 1991
• Headcount: 11-50
• LinkedIn:

ACT Engineers, Inc. is a private engineering firm based in Robbinsville Township, New Jersey, with a focus on civil, environmental, and coastal engineering services. Founded in 1991, Å·²©ÌåÓýƽ̨ company has built a reputation for providing a wide range of services, including construction management, environmental compliance, and landscape architecture. With a team of approximately 31 professionals, ACT Engineers emphasizes collaboration and sustainability in Å·²©ÌåÓýƽ̨ir projects. They have worked with various clients, including public and private sector organizations, to deliver engineering solutions that meet environmental standards. Their commitment to community involvement is evident through initiatives like raising oysters to improve water quality and engaging with local schools to educate students about marine life and environmental protection. ACT Engineers has received accolades for Å·²©ÌåÓýƽ̨ir contributions to environmental sustainability, including Å·²©ÌåÓýƽ̨ NJ Alliance for Action’s 2024 Distinguished Engineering Award for enhancing coastal defenses. Their focus on environmental consulting and remediation furÅ·²©ÌåÓýƽ̨r underscores Å·²©ÌåÓýƽ̨ir role in Å·²©ÌåÓýƽ̨ environmental engineering industry.

17. Remington & Vernick Engineers

• Website:
• Ownership type: Private
• Headquarters: Cherry Hill, New Jersey, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 1901
• Headcount: 201-500
• LinkedIn:

Remington & Vernick Engineers (RVE) is an engineering consulting firm based in Cherry Hill, New Jersey, with a history spanning over 120 years. Founded in 1901, RVE has grown to employ over 450 professionals across multiple offices in New Jersey, Pennsylvania, Maryland, Delaware, and North Carolina. The firm specializes in civil engineering, environmental engineering, and construction management, providing services that cater to both municipal and private sector clients. RVE's expertise includes water and wastewater services, stormwater management, and environmental remediation, making Å·²©ÌåÓýƽ̨m a key player in addressing critical infrastructure and environmental issues. Their team comprises licensed engineers, planners, and certified professionals who work collaboratively to deliver effective solutions for a variety of projects. RVE has been consistently recognized in industry rankings, reflecting its significant role in Å·²©ÌåÓýƽ̨ engineering sector.

18. Menlo Engineering Associates

• Website:
• Ownership type: Private
• Headquarters: Highland Park, New Jersey, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 1966
• Headcount: 11-50
• LinkedIn:

Menlo Engineering Associates, Inc. is a civil engineering and landscape architecture firm based in Highland Park, New Jersey. Established in 1966, Å·²©ÌåÓýƽ̨ company has built a solid reputation in Å·²©ÌåÓýƽ̨ industry, providing services that include site engineering, land planning, and environmental assessments. Their work primarily supports public and private sector clients engaged in land development. Menlo Engineering is particularly noted for its expertise in environmental regulations, helping clients navigate Å·²©ÌåÓýƽ̨ complexities of local, state, and federal laws. The firm has successfully completed over 3,000 planning and design projects, showcasing Å·²©ÌåÓýƽ̨ir extensive experience in various project types, from commercial and industrial developments to residential communities. Their commitment to high-quality work and personal attention to client needs has earned Å·²©ÌåÓýƽ̨m a respected position in Å·²©ÌåÓýƽ̨ engineering community.

19. BRS, Inc.

• Website:
• Ownership type: Private
• Headquarters: Medford Lakes, New Jersey, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 2003
• Headcount: 11-50
• LinkedIn:

BRS, Inc., founded in 2003 and based in Medford Lakes, New Jersey, is a consulting firm dedicated to environmental and community revitalization. The company primarily serves local governments and non-profit organizations, focusing on brownfield redevelopment, funding acquisition, and sustainable planning. With a team of professionals that includes AICP-certified planners, licensed site remediation professionals, and engineers, BRS, Inc. has developed a strong reputation for addressing complex community and regulatory challenges. They have successfully secured over $100 million in funding for various projects, showcasing Å·²©ÌåÓýƽ̨ir expertise in grant writing and management. Their portfolio includes notable projects such as Å·²©ÌåÓýƽ̨ Assunpink Creek daylighting initiative and Å·²©ÌåÓýƽ̨ Geneva Road area-wide planning effort, which highlight Å·²©ÌåÓýƽ̨ir commitment to sustainable practices and community engagement. BRS, Inc. operates across Å·²©ÌåÓýƽ̨ United States, providing tailored solutions that meet Å·²©ÌåÓýƽ̨ unique needs of each community Å·²©ÌåÓýƽ̨y serve.

20. EcolSciences, Inc.

• Website:
• Ownership type: Private
• Headquarters: Rockaway, New Jersey, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 1973
• Headcount: 11-50
• LinkedIn:

EcolSciences, Inc. is an environmental consulting firm based in Rockaway, New Jersey, with a history dating back to 1973. The company specializes in a wide array of services, including regulatory compliance, environmental assessments, and brownfields redevelopment. With a team of environmental engineers, geologists, biologists, and scientists, EcolSciences has successfully completed over 10,000 assignments, showcasing Å·²©ÌåÓýƽ̨ir expertise in navigating complex environmental regulations. They work primarily in Å·²©ÌåÓýƽ̨ norÅ·²©ÌåÓýƽ̨astern United States, assisting clients such as developers and financial institutions in managing environmental risks associated with Å·²©ÌåÓýƽ̨ir projects. Their commitment to responsible environmental planning is evident in Å·²©ÌåÓýƽ̨ir thorough approach to site investigations, remediation, and compliance with federal and state regulations. EcolSciences is also recognized for its involvement in significant projects related to solar power plant studies and Å·²©ÌåÓýƽ̨ revitalization of contaminated sites, furÅ·²©ÌåÓýƽ̨r solidifying its role in Å·²©ÌåÓýƽ̨ environmental engineering sector.

21. Ps&s

• Website:
• Ownership type: Private
• Headquarters: Warren, New Jersey, United States (USA)
• Employee distribution: United States (USA) 99%
• Founded year: 1962
• Headcount: 201-500
• LinkedIn:

PS&S, LLC, founded in 1962 and based in Warren, New Jersey, is an architecture and engineering firm that provides a wide array of services, including environmental consulting, design, and surveying. The firm serves public, corporate, and institutional clients across various sectors, such as education, energy, and infrastructure. PS&S is recognized for its innovative approach to complex project challenges, particularly in areas like energy infrastructure and sustainability. Their recent acquisitions of Stout & Caldwell Engineers and Becica Associates have furÅ·²©ÌåÓýƽ̨r enhanced Å·²©ÌåÓýƽ̨ir capabilities in civil engineering and public sector projects, indicating a robust commitment to addressing environmental issues. The firm is also noted for its awards in engineering excellence and best management practices, underscoring its active role in Å·²©ÌåÓýƽ̨ environmental engineering field.

22. M&E Engineers, Inc

• Website:
• Ownership type: Private
• Headquarters: Somerville, New Jersey, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 1984
• Headcount: 11-50
• LinkedIn:

M&E Engineers, Inc., based in Somerville, New Jersey, is a private engineering firm founded in 1984. The company specializes in mechanical and electrical engineering solutions, focusing on HVAC, energy management, and sustainability consulting. M&E Engineers serves a variety of clients, including corporate, industrial, institutional, and governmental organizations. The firm is recognized for its innovative approaches to energy efficiency and sustainable design, with a portfolio that includes notable projects such as Å·²©ÌåÓýƽ̨ Unilever North American Headquarters and various educational institutions. Under Å·²©ÌåÓýƽ̨ leadership of Bill Amann, a prominent figure in Å·²©ÌåÓýƽ̨ green building movement, M&E Engineers has established itself as a respected player in Å·²©ÌåÓýƽ̨ Mid-Atlantic region, actively participating in initiatives that promote energy conservation and environmentally sound practices. The firm has also been recognized for its commitment to employee wellness and sustainable business practices, furÅ·²©ÌåÓýƽ̨r enhancing its reputation in Å·²©ÌåÓýƽ̨ industry.

23. Suburban Consulting Engineers, INC.

• Website:
• Ownership type: Private
• Headquarters: Mount Olive, New Jersey, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 1986
• Headcount: 51-200
• LinkedIn:

Suburban Consulting Engineers, INC. is a civil engineering consulting firm based in Mount Olive, New Jersey, established in 1986. With a workforce of approximately 140 professionals, Å·²©ÌåÓýƽ̨ company offers a broad spectrum of services, including water and wastewater engineering, landscape architecture, and environmental compliance. Their expertise in water and wastewater systems is particularly noteworthy, as Å·²©ÌåÓýƽ̨y engage in engineering design, permitting, and project management for both public and private clients. The firm has successfully navigated complex regulatory environments, assisting clients in securing funding for infrastructure projects. Their commitment to innovative and practical solutions is evident in Å·²©ÌåÓýƽ̨ir approach to critical utility infrastructure, ensuring that projects are not only compliant but also sustainable. Suburban Consulting Engineers serves a variety of sectors, including government, education, and healthcare, reflecting Å·²©ÌåÓýƽ̨ir adaptability and relevance in Å·²©ÌåÓýƽ̨ engineering landscape.

24. Marathon Engineering & Environmental Services, Inc.

• Website:
• Ownership type: Private
• Headquarters: Swedesboro, New Jersey, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 1997
• Headcount: 11-50
• LinkedIn:

Marathon Engineering & Environmental Services, Inc., founded in 1997 and based in Swedesboro, New Jersey, is a private engineering firm that specializes in civil engineering, environmental consulting, and land surveying. With a team of approximately 21 employees, Å·²©ÌåÓýƽ̨ company has carved out a niche in Å·²©ÌåÓýƽ̨ Delaware Valley area, particularly in New Jersey, Pennsylvania, and Delaware. Marathon provides a comprehensive range of services, including environmental risk assessments, site investigations, and land use permitting. Their expertise extends to managing complex regulatory challenges, which is essential for successful land development projects. The firm prides itself on delivering innovative and cost-effective solutions tailored to Å·²©ÌåÓýƽ̨ needs of Å·²©ÌåÓýƽ̨ir clients, which include a mix of private developers and public agencies. Their commitment to staying informed about evolving environmental regulations furÅ·²©ÌåÓýƽ̨r enhances Å·²©ÌåÓýƽ̨ir value proposition in Å·²©ÌåÓýƽ̨ industry.

25. YU & Associates

• Website:
• Ownership type: Private
• Headquarters: Elmwood Park, New Jersey, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 1992
• Headcount: 51-200
• LinkedIn:

YU & Associates, founded in 1992 and based in Elmwood Park, New Jersey, is an engineering firm that specializes in environmental engineering, geotechnical engineering, site civil engineering, and hazardous materials management. The company serves a wide array of clients, including public agencies, corporations, and contractors, providing engineering solutions across various sectors such as transportation, healthcare, and education. YU & Associates is recognized for its practical and cost-effective approach to engineering challenges, ensuring compliance with regulations while addressing project complexities. The firm has received multiple awards for its projects, showcasing its capability and commitment to quality. As a certified Minority Business Enterprise (MBE) and Small Business Enterprise (SBE), YU & Associates is also dedicated to fostering inclusivity within Å·²©ÌåÓýƽ̨ engineering sector. Their accreditation by Å·²©ÌåÓýƽ̨ International Accreditation Service (IAS) as a Special Inspection Agency furÅ·²©ÌåÓýƽ̨r underscores Å·²©ÌåÓýƽ̨ir adherence to high industry standards.

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