Top 25 Environmental Consultancy Firms in California
Top 25 Environmental Consultancy Firms in California
The world of environmental consultancy is diverse and dynamic, housing companies that are instrumental in advising corporations, government bodies, and other clients about how to minimize or manage the environmental impacts of their operations. In California, this sector is as vibrant as it’s ever been, teeming with top-tier firms specializing in services ranging from environmental engineering to energy consulting. They offer integrated, innovative solutions to environmental challenges, navigating the realms of science, research, information technology, and construction. As the importance of sustainable practices intensifies, these firms play a pivotal role in driving the agenda towards a greener future.
Top 25 environmental consulting companies in California
1. Tetra Tech
- Website: tetratech.com
- Headquarters: Pasadena, California, United States
- Founded: 1966
- Headcount: 10001+
- Latest funding type: Ipo
Tetra Tech is a leading provider of consulting, engineering, and technical services worldwide. The company offers integrated solutions to meet clients' needs in areas such as environmental science, research, engineering, construction, and information technology.
2. Partner Engineering & Science, Inc.
- Website: partneresi.com
- Headquarters: Torrance, California, United States
- Founded: 2007
- Headcount: 501-1000
Partner ESI is a full-service engineering, environmental, and energy consulting and design firm. They provide a range of services including geotechnical services, environmental assessments, construction inspections, and quality testing. Partner ESI is committed to understanding their clients' business needs and offers expertise in sustainable building, telecom sustainability, and renewable energy consulting.
3. SCS Engineers
- Website: scsengineers.com
- Headquarters: Long Beach, California, United States
- Founded: 1970
- Headcount: 501-1000
SCS Engineers is a company that offers environmental consulting and engineering services. They specialize in solid waste management, renewable energy, and environmental remediation.
4. Dudek
- Website: dudek.com
- Headquarters: Encinitas, California, United States
- Founded: 1980
- Headcount: 501-1000
Dudek is a multidisciplinary firm that offers environmental planning, reliable power, climate resilience, human placemaking, and lasting infrastructure solutions. With a team of over 700 experts across various disciplines, we work on challenging projects that have a direct impact on our communities. Our passion for excellence drives our progress and we strive to foster diversity, equity, and inclusion in all aspects of our work.
5. Vali Cooper & Associates, Inc.
- Website: trccompanies.com
- Headquarters: Concord, California, United States
- Founded: 1969
- Headcount: 5001-10000
- Latest funding type: Acquired
TRC Companies is a company that offers a range of services in various industries. Their offerings include consulting, engineering, and environmental services.
6. E2 Consulting Engineers, Inc.
- Website: e2.com
- Headquarters: Emeryville, California, United States
- Founded: 1988
- Headcount: 501-1000
E2 Consulting Engineers, Inc. is an engineering and consulting firm specializing in environmental investigation, permitting, and remediation. They offer a range of services including construction management, construction inspection, engineering and design, and project management. E2's M2M® software provides modules for end-to-end program management and construction inspection. Their customer groups may include federal agencies, technology companies, transportation entities, and utilities. E2's business model involves providing services and software solutions to various industries. Relevant keywords for their offering include environmental services, engineering, construction management, and software solutions. The company can be categorized under the industry of environmental consulting and engineering. Their customers may include government agencies, technology firms, transportation companies, and utilities. Other relevant keywords include sustainability, safety, and diversity.
7. Harris & Associates
- Website: weareharris.com
- Headquarters: Concord, California, United States
- Founded: 1974
- Headcount: 201-500
Harris & Associates is a leading provider of civil engineering, construction management, and environmental consulting services. With over 40 years of experience, we specialize in improving communities through smart, safe, and sustainable planning, design, and construction solutions. Our team of dedicated employee owners is committed to delivering client success and creating better places to live.
8. AEI Consultants
- Website: aeiconsultants.com
- Headquarters: Walnut Creek, California, United States
- Founded: 1992
- Headcount: 201-500
AEI Consultants is a company that provides building, land, and sustainability assessment and consulting services throughout North America.
9. WRA, Inc.
- Website: wra-ca.com
- Headquarters: San Rafael, California, United States
- Founded: 1981
- Headcount: 51-200
WRA Environmental Consultants is a company that specializes in providing environmental consulting services. They help clients navigate the complex regulatory environment and achieve their project goals in various sectors including agriculture, community resilience, development, ecological restoration, government, mitigation and conservation, parks and open space, transportation, and water. They offer services such as biological studies, CEQA and NEPA compliance, conservation entitlements, habitat restoration design, and restoration and resiliency implementation. Their expertise and experience allow them to make a positive lasting impression on the environment and communities they work in.
10. Etic
- Website: eticeng.com
- Headquarters: Pleasant Hill, California, United States
- Founded: 1991
- Headcount: 51-200
ETIC is an environmental consulting and engineering company that provides turnkey services in remedial and clean construction. They are dedicated to protecting the health and safety of the community and the environment by identifying environmental threats and developing practical and sustainable solutions.
11. MP Environmental Services, Inc.
- Website: mpenviro.com
- Headquarters: Bakersfield, California, United States
- Founded: 1944
- Headcount: 201-500
MP Enviro is a company that offers environmental solutions and services. They provide various products and services related to waste management, recycling, and environmental consulting. Their expertise lies in helping businesses adopt sustainable practices and comply with environmental regulations.
12. RMA Group, Inc.
- Website: rmacompanies.com
- Headquarters: Rancho Cucamonga, California, United States
- Founded: 1962
- Headcount: 201-500
- Latest funding type: Private Equity
RMA Companies is a growing national provider of technology-enabled testing, inspection, and certification services. They support innovation in new product development, quality assurance for project delivery, and engineered solutions for asset management. They offer professional services in environmental consulting, geotechnical engineering, geophysics and subsurface imaging, pavement engineering, quality management, non-destructive testing, construction inspection, and product certification for critical infrastructure projects. RMA Companies is committed to the sustainable development of the communities they serve.
13. Watershed
- Website: watershed.com
- Headquarters: San Francisco, California, United States
- Founded: 2019
- Headcount: 51-200
- Latest funding type: Series B
Watershed is an enterprise climate platform that helps companies implement climate programs to meet the demands of investors, regulators, employees, and customers. They work with forward-thinking companies, providing tools and resources to cut emissions and accelerate low-carbon technologies.
14. San Francisco Estuary Institute
- Website: sfei.org
- Headquarters: Richmond, California, United States
- Founded: 1994
- Headcount: 51-200
SFEI is a company that offers expert consulting and research services in the field of environmental sciences. They provide high-quality data analysis and innovative solutions to address environmental challenges. With a team of experienced professionals, SFEI assists clients in making informed decisions and developing sustainable strategies.
15. Technikon
- Website: technikon.us
- Headquarters: Sacramento, California, United States
- Founded: 2000
- Headcount: 11-50
Technikon provides independent, third party analysis of technologies, enabling agencies, investors, and buyers to assess the risk and cost of purchasing waste-to-energy and fuels hardware. They specialize in renewable energy technology validation and testing, project development, permitting, community relations, and sustainability consulting.
16. Prunuske Chatham, Inc.
- Website: pcz.com
- Headquarters: Sebastopol, California, United States
- Founded: 1985
- Headcount: 11-50
Prunuske Chatham, Inc. (PCZ) is an ecological solutions company that focuses on creating, restoring, and caring for places that support diverse plant and animal life. They offer a range of services including ecological restoration, watershed enhancement, and environmental consulting. PCZ collaborates with government agencies, utilities, businesses, and individuals to address urgent concerns such as climate change and carbon reduction. They are a licensed construction contractor in California and certified as a Small Business.
17. Verdical Group
- Website: verdicalgroup.com
- Headquarters: Los Angeles, California, United States
- Founded: 2012
- Headcount: 11-50
Verdical Group is a sustainability consulting firm focused on decarbonizing the built environment and inspiring a net zero future.
18. Western Climate Initiative, Inc.
- Website: wci-inc.org
- Headquarters: Sacramento, California, United States
- Founded: 2011
- Headcount: 11-50
WCI, Inc. is a fully funded organization providing cost-effective technical and administrative solutions to support the development and implementation of greenhouse gas emissions trading programs. Founded in 2011, WCI has grown its range of services and invested in technology to build secure and reliable IT systems for its participating jurisdictions in California, Washington, Quebec, and Nova Scotia.
19. EcoKai Environmental, Inc.
- Website: ecokai.com
- Headquarters: Playa Del Rey, California, United States
- Headcount: 11-50
EcoKai Environmental, Inc. is a consulting firm that provides environmental services such as stormwater monitoring, water quality sampling and analysis, and riparian monitoring.
20. montezuma wetlands
- Website: montezumawetlands.com
- Headquarters: Emeryville, California, United States
- Headcount: 51-200
Montezuma Wetlands is a project that restores and conserves wetland topography and hydrology in the San Francisco Bay Delta Estuary. It offers ecological benefits to many species of rare plants, fish, and endangered animals, including vernal pool fairy shrimp and delta smelt. The project provides a sustainable and beneficial use for millions of cubic yards of sediments dredged from Bay Area ports, harbors, and channels.
21. Clean Tech Advocates
- Website: cleantechadvocates.com
- Headquarters: Sacramento, California, United States
- Headcount: 11-50
Cleantech Advocates is a company that provides consulting and advocacy services for businesses looking to adopt sustainable practices and technologies.
22. Metro Services Group
- Website: metroservices.com
- Headquarters: Oakland, California, United States
- Founded: 1995
- Headcount: 1001-5000
Metro Services is a facility services company based in California. We offer a wide range of services including cleaning, engineering, and consulting. Our team is dedicated to providing high-quality services while prioritizing sustainability and environmental impact. We have a strong focus on carbon neutrality and constantly strive to develop practices that benefit the environment. We are currently hiring for union janitorial positions in Menlo Park.
23. Ecology Action
- Website: ecoact.org
- Headquarters: Santa Cruz, California, United States
- Founded: 1970
- Headcount: 51-200
Ecology Action is a company that provides innovative and equitable energy, water, and transportation solutions for a prosperous, low-carbon future.
24. Ecocity Builders
- Website: ecocitybuilders.org
- Headquarters: Oakland, California, United States
- Founded: 1992
- Headcount: 11-50
Ecocity Builders is a knowledge portal on sustainable urbanism that connects communities with tools and resources to improve social and environmental health.
25. Institute for Ecological Civilization
- Website: ecociv.org
- Headquarters: San Diego, California, United States
- Founded: 2015
- Headcount: 11-50
EcoCiv specializes in promoting the wellbeing of people and the planet through sustainable solutions to climate change and ecological civilization. They focus on areas such as agrifood systems and water security, working with partners to develop and implement projects, research solutions, and support local organizations. EcoCiv's approach is facilitative and participatory, supporting global and local partners to achieve their goals aligned with the wellbeing of people and the planet.
Want to find more environmental consulting companies?
If you want to find more companies that provide services in environmental engineering, energy consulting, and waste management 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!
