The environmental engineering industry in Massachusetts consists of companies offering sustainable and innovative solutions to complex environmental challenges. These companies specialize in areas such as water management, energy solutions, waste minimization, and air quality, catering to industry and government clients. These businesses put emphasis on sustainability practices along with an aim to optimize resource use. They offer a range of services that include consulting, design, construction, and program management, utilizing state-of-the-art technologies and expertise for efficient implementation. As the industry evolves, it is sharply inclined toward innovation and quality compliance, with indications towards further development in areas like PFAS studies, nuclear solutions and drinking water enhancement.


Top 23 environmental engineering companies in Massachusetts

1. CDM Smith

  • Website: cdmsmith.com
  • Headquarters: Boston, Massachusetts, United States
  • Founded: 1947
  • Headcount: 5001-10000
  • LinkedIn

CDM Smith is a global engineering and construction company that specializes in providing solutions in water, environment, transportation, energy, and facilities. They offer consulting, design, construction, and program management services. CDM Smith works with industry and government clients, including federal and municipal governments. They lead in drinking water innovation and provide expertise in areas like PFAS studies and treatment. The company is known for its innovation, sustainability practices, and commitment to quality compliance and ethics.


2. Veolia North America

Veolia North America is a leading provider of water, waste, and energy management solutions. With a focus on sustainability, the company offers a complete range of services to municipalities and industries, optimizing their systems for efficient resource utilization. Veolia's expertise includes water technologies, waste management, air quality solutions, and nuclear solutions.


3. GEI Consultants, Inc.

GEI Consultants is a leading engineering and environmental consulting firm. They offer a wide range of services including geotechnical, environmental, water resources, and civil design. Their team of experts collaborates with clients to improve communities, infrastructure, and the environment.


4. GZA GeoEnvironmental, Inc.

  • Website: gza.com
  • Headquarters: Norwood, Massachusetts, United States
  • Founded: 1964
  • Headcount: 501-1000
  • LinkedIn

GZA GeoEnvironmental, Inc. is an environmental engineering and consulting firm that offers a wide range of services to the public and private sectors. With expertise in areas such as site investigation and remediation, geotechnical engineering, and regulatory compliance, GZA helps clients navigate complex environmental challenges and ensure the sustainability of their projects.


5. Haley & Aldrich

Haley & Aldrich is an environmental and engineering consulting company, providing services in water quality, industrial facility management, environmental risk assessment, and geotechnical instrumentation.


6. Noresco

  • Website: noresco.com
  • Headquarters: Westborough, Massachusetts, United States
  • Founded: 1984
  • Headcount: 501-1000
  • LinkedIn

NORESCO is a sustainable management services company that specializes in energy efficiency and sustainability consulting. They offer solutions such as energy audits, retro-commissioning, and energy infrastructure design. They cater to various markets including state and local governments, federal government, higher education, healthcare, and commercial buildings.


7. Environmental Partners

  • Website: envpartners.com
  • Headquarters: Quincy, Massachusetts, United States
  • Founded: 1997
  • Headcount: 51-200
  • Latest funding type: Acquired
  • LinkedIn

Environmental Partners (envpartners.com) is an engineering consulting firm that specializes in civil and environmental services. They offer a wide range of services including civil engineering, site assessment and remediation, water treatment facilities, wastewater management, and transportation planning. With a focus on sustainability and collaborative solutions, they deliver dramatic results for their clients.


8. Mabbett & Associates, Inc.

  • Website: mabbett.com
  • Headquarters: Stoneham, Massachusetts, United States
  • Founded: 1980
  • Headcount: 51-200
  • LinkedIn

Mabbett is a leading provider of environmental consulting, health and safety, and architectural/engineering design services nationwide.


9. O'Reilly, Talbot & Okun Associates, Inc.

  • Website: oto-env.com
  • Headquarters: Springfield, Massachusetts, United States
  • Founded: 1994
  • Headcount: 11-50
  • LinkedIn

OTO Environmental is an engineering firm providing comprehensive environmental services for a wide range of projects. They specialize in geotechnical engineering, hazardous materials assessment, construction support, and remediation. With over 25 years of experience, they offer cost-effective solutions and strive to build a sustainable future and healthy environments. Contact them for soil testing, foundation analysis, indoor air quality testing, and more.


10. Elstar Therapeutics Inc.

  • Website: elstartherapeutics.com
  • Headquarters: Cambridge, Massachusetts, United States
  • Founded: 2015
  • Headcount: 11-50
  • Latest funding type: Series A
  • LinkedIn

Elstar Therapeutics is a company that specializes in environmental protection and offers services for the treatment of solid waste, sludge, and emissions. The company provides technology solutions and equipment for industries such as steel, metallurgy, power, cement, glass, and paper. With a focus on providing effective and sustainable solutions, Elstar Therapeutics aims to contribute to a cleaner and greener environment.


11. GreenerU

  • Website: greeneru.com
  • Headquarters: Waltham, Massachusetts, United States
  • Founded: 2009
  • Headcount: 11-50
  • Latest funding type: Series Unknown
  • LinkedIn

GreenerU is a mission-driven company that partners with educational and community institutions to mitigate climate change by achieving climate neutrality through planning, engineering, and implementation.


12. H2O Applied Technologies

H2O Applied Technologies is a water and steam conservation company with 18 years of experience in the field. They provide energy audit, design, and construction services to both energy service companies and private clients. With a team of energy engineers and project managers located across the United States, they offer turn-key solutions for water and steam conservation projects. Their expertise extends to various sectors including healthcare, education, government, and more.


13. Horsley Witten Group, Inc.

Horsley Witten Group is an environmental consulting firm that develops innovative and practical solutions for sustainable design. They provide services in engineering, design, planning, and training to help people, businesses, and the environment thrive together.


14. Sustainable Minds

Sustainable Minds is a company that provides simpler and more useful PCR / LCA / EPD solutions to align the industry. They offer software and services that help design greener products from the start and promote transparency in product selection and procurement.


15. KVA matx

  • Website: kvarch.net
  • Headquarters: Boston, Massachusetts, United States
  • Founded: 1988
  • Headcount: 11-50
  • LinkedIn

Kvarch.net is an architecture firm specializing in sustainable design and innovative solutions. They offer expertise in creating aesthetically pleasing structures that are energy-efficient and environmentally friendly.


16. Tighe & Bond

  • Website: tighebond.com
  • Headquarters: Westfield, Massachusetts, United States
  • Founded: 1911
  • Headcount: 201-500
  • LinkedIn

Tighe & Bond is an environmental consulting and engineering firm providing creative solutions to complex questions. They offer services such as MEP, structural & geotechnical engineering, waterfront engineering, environmental consulting, and more.


17. Climate Engineering Companies

  • Website: climatecompanies.com
  • Headquarters: Springfield, Massachusetts, United States
  • Headcount: 51-200

ClimateCompanies.com offers climate solutions for businesses aiming to transition to sustainable practices.


18. Ransom Consulting, LLC

  • Website: ransomenv.com
  • Headquarters: Nj, Massachusetts, United States
  • Founded: 1988
  • Headcount: 51-200
  • LinkedIn

Ransom Consulting, LLC is a multi-disciplinary engineering and environmental company that delivers sustainable solutions for projects. They specialize in civil engineering, coastal engineering, construction oversight, geotechnical engineering, and more.


19. Erg

  • Website: erg.com
  • Headquarters: Lexington, Massachusetts, United States
  • Founded: 1984
  • Headcount: 201-500
  • Latest funding type: Acquired
  • LinkedIn

Eastern Research Group, Inc. (ERG) offers professional analytical and consulting services to support environmental protection and public health initiatives. They provide support to government agencies such as the U.S. Environmental Protection Agency (EPA) and Massachusetts Rehabilitation Commission. With expertise in grant administration, strategic communications, policy analysis, and management database, ERG helps clients achieve positive outcomes in protecting the environment and improving public health.


20. BR+A Consulting Engineers

  • Website: brplusa.com
  • Headquarters: Boston, Massachusetts, United States
  • Founded: 1975
  • Headcount: 201-500
  • LinkedIn

BR+A is a global engineering firm specializing in the development of Particle Therapy Facilities. With over 20 years of experience, they have designed and constructed over 3,000,000 SF of proton space. They offer tightly integrated and coordinated engineering design services for the built environment, including MEP/FP, Sustainability Consulting, Building Commissioning, and Infrastructure Design.


21. WhiteWater, Inc.

WhiteWater Water & Wastewater Solutions is a company that provides comprehensive water and wastewater solutions. They specialize in maintaining, managing, and repairing complex systems for industrial and municipal applications. With years of experience in the Northeast, their multi-disciplined staff ensures regulatory compliance and peace of mind for their customers.


22. Eden

EdenGeoPower is a company specializing in unlocking and utilizing geothermal power resources with minimal environmental impact. With a focus on carbon negativity and renewable energy, they offer innovative technology and solutions for geothermal power production, heating and cooling, and unconventional oil and gas extraction.


23. BSC Group

  • Website: bscgroup.com
  • Headquarters: Boston, Massachusetts, United States
  • Founded: 1965
  • Headcount: 51-200
  • LinkedIn

BSC Group is an employee-owned company located in Glastonbury, CT that provides creative and practical transportation, land development, and environmental solutions. They help clients with siting, regulatory processes, and infrastructure design to achieve their vision.


Want to find more environmental engineering companies?


If you want to find more companies that provide services in water management, waste minimization, energy solutions, and air quality you can do so with Inven. This list was built with Inven and there are hundreds of companies like these globally.


With Inven you'll also get to know the company's:


  • Ownership: Which of these are private equity backed? Which are family-owned?
  • Contact data: Who are the owners and CEO's? What are their emails and phone numbers?
  • Financials: How do these companies perform financially? What are their revenues and profit margins?

...and a lot more!