Top 10 Environmental Consulting Firms in the U.S. 

Tope 10 environmental consulting firms in the u.s.

The pressing need for sustainable development has brought environmental issues to public discourse in today’s rapidly evolving world. As a result, engineering firms are uniquely positioned to make a significant impact by incorporating environmental consulting services into their project portfolios.  

This approach ensures compliance with regulations and promotes the long-term viability of projects while simultaneously addressing pressing environmental challenges. Many projects require the assistance of experienced environmental consultants. But you might be wondering where you can find them.  

In this article, we’ll be detailing the top 10 environmental consulting firms in the U.S. so that you know where to turn next time you need expert advice on a project.   

What Is Environmental Consulting?

environmental windmill

Environmental consulting is a specialized professional service that combines the expertise of environmental science, engineering, and policy to provide tailored solutions for clients across public, private, and nonprofit sectors.  

By offering guidance on assessing, managing, and mitigating environmental risks, consultants help organizations navigate the complexities of environmental regulations, industry best practices, and sustainable project design.  

The scope of environmental consulting is vast, encompassing environmental impact assessments, site remediation, natural resource management, waste management, air and water quality, climate change adaptation, and environmental policy development.   

Engineering firms that integrate environmental consulting services into their operations contribute to a more sustainable future by ensuring that their projects adhere to existing regulations and minimize adverse environmental and public health impacts.  

By understanding the essential role environmental consulting plays, engineering firms can better appreciate their potential to drive positive change and create a lasting impact on the environment. 

As we navigate the challenges of the 21st century, the need for responsible, sustainable engineering has never been greater. By embracing environmental consulting as an integral part of their practice, engineering firms can be at the forefront of this global movement, paving the way for a greener, cleaner, and more sustainable future for future generations.   

Stay tuned as we delve deeper into environmental consulting and explore how it can revolutionize the engineering landscape. 

Top 10 Environmental Consulting Firms 

Environmental consultants work in both the private and public sectors, and many companies aren’t even aware that they need one – but they can save you time, money, and stress by helping your projects remain aligned with environmental rules and regulations. If you’re looking for an environmental consultant, here’s where you should look.  

#1: Fenstermaker 

We’ll admit that we might be a little biased here – after all, we are the ones writing this article. But frankly, Fenstermaker deserves the number one spot. Why?  

We are a team of reputable, experienced professionals who provide crucial services to clients. We have a clear understanding of the challenges and goals of our clients and establish lasting partnerships to provide innovative, high-quality products and services. With the best interests of our clients in mind, we conduct our business ethically, honestly, and with integrity. 

Fenstermaker is a multi-disciplinary consulting firm based in Lafayette, Louisiana. With a commitment to helping our clients succeed, we specialize in surveying and mapping, engineering, and environmental consulting. We serve various industries, such as oil and gas, transportation, and construction.   

We have completed plenty of impressive projects, such as developing wetlands mitigation banks and providing environmental impact assessments for infrastructure projects. Our company was founded in 1950, and we have grown to have several offices across the United States, including ones in Texas, Louisiana, and Alabama. 

#2: AECOM 

AECOM is a multinational engineering firm headquartered in Los Angeles, California. AECOM has over 51,000 employees worldwide and serves a variety of industries, including transportation, water, and energy. They offer various environmental consulting services in sustainability consulting, climate change mitigation, and environmental impact assessments.  

#3: Tetra Tech 

Tetra Tech has over 27,000 associates worldwide and provides clear solutions to complex problems. They support global, commercial, and government clients on issues like water, the environment, sustainable infrastructure, renewable energy, and international development. Their headquarters are in Pasadena, California. 

#4: Jacobs  

Jacobs is a global engineering and consulting firm headquartered in Dallas, Texas. Jacobs has over 52,000 employees across 50 countries worldwide and serves the transportation, water, and construction industries. 

environmental consultants

#5: ICF 

ICF is a publicly traded global environmental consulting services company headquartered in Fairfax, Virginia. They have nearly 6,000 employees in more than 65 offices throughout the US. ICF consults on water, energy, transportation, and planning and development projects. They have a team of more than 1,000 environmental planners, scientists, engineers, attorneys, and policy specialists dedicated to environmental services alone. 

#6: TRC 

TRC is an environmental consulting services company headquartered in Boston, Massachusetts. They have over 6,000 employees in over 140 countries, serving a range of industries such as power, oil and gas, and transportation. TRC offers various services, including environmental permitting, site remediation, and sustainability consulting.  

#7: Trinity Consultants 

Trinity helps organizations solve challenging environmental issues through consulting, technology, and staffing expertise. They have over 500 employees and work with customers around the globe and across various industries, including industrial, energy, manufacturing, mining, life sciences, and commercial/institutional. 

#8: Haley & Aldrich 

Haley & Aldrich has over 800 engineers, scientists, and constructors across 33 offices. Their headquarters are in Burlington, Massachusetts, and they specialize in environmental health and safety compliance, construction support, contaminated site management, geotechnical resources, and water management. 

#9: Anchor QEA 

Anchor is headquartered in Seattle, Washington, and is recognized for its work in aquatic shoreline and water resource projects, including coastal and flood resiliency. They have over 450 employees across 25 offices throughout the U.S.  

#10: GZA 

GZA employs over 650 engineers, scientists, and technical support staff in 32 offices throughout the U.S. Their team is experienced in environmental engineering, and their core offerings include water, ecology, and construction management services. Their headquarters are in Norwood, Massachusetts. 

Top Firms at a Glance 

It can be daunting trying to decide which firm is the right one for your business to turn to in order to address its environmental consulting needs. And we know we’ve already given you lots of information.  

That’s why we put together this handy table so that you can review the top firms quickly and easily, with all of the important information concentrated in one convenient location. Don’t forget to bookmark this tab so that you can come back to it later!  

Firm  Headquarters  Employees  Industries 
Fenstermaker  Lafayette, LA  300+  Pipeline, transportation, energy, coastal, water resources, petrochemical, LNG, municipal, utilities, industrial, ports 
AECOM  Los Angeles, CA  51,000+  Transportation, water, energy 
Tetra Tech  Pasadena, CA  27,000+  Water, environment, sustainable infrastructure, renewable energy, international development 
Jacobs  Dallas, TX  52,000+  Transportation, water, construction  
ICF  Fairfax, VA  6,000+  Water, energy, transportation, planning and development 
TRC   Boston, MA  6,000+  Power, oil and gas, transportation 
Trinity Consultants  Dallas, TX  500+  Industrial, energy, life sciences, mining, manufacturing, commercial, institutional  
Haley & Aldrich  Burlington, MA  800+  Environmental health and safety, construction, contaminated site management, geotechnical resources, water 
Anchor QEA  Seattle, WA  400+  Aquatic, shoreline, water resources 
GZA  Norwood, MA  600+  Environmental engineering

Final Thoughts  

seedling, environment

Environmental consulting plays an indispensable role in shaping a sustainable future by helping engineering firms navigate the complexities of environmental regulations, best practices, and sustainable project design.  

By integrating environmental consulting services into their operations, engineering firms can ensure their projects align with existing regulations while minimizing adverse impacts on the environment and public health.   

As we face the challenges of the 21st century, the need for responsible, sustainable engineering has never been greater. Embracing environmental consulting as an integral part of their practice, engineering firms have the potential to drive positive change and create a lasting impact on the environment.   

By working together with environmental consultants, engineers can pave the way for a greener, cleaner, and more sustainable future for generations to come.  

Environmental consulting firms play a crucial role in helping businesses and governments ensure sustainable development and compliance with environmental regulations. The top 10 environmental consulting firms highlighted in this text offer a wide range of services to various industries, including transportation, water, energy, and construction.  

Choosing the right environmental consulting firm can be critical to achieving successful outcomes for projects that involve complex environmental issues. Clients need to consider factors such as the firm’s experience, expertise, and track record in providing environmental consulting services for their specific industry or project. 

While making those considerations, don’t forget to keep Fenstermaker in mind. We are eager to work with you to accomplish your goals and build a lasting relationship while protecting the environment. 

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