Environmental engineering blends expertise in engineering best practices with knowledge of sciences like biology, all of which can help with understanding how development affects the natural world. Engineers who work in this field seek to minimize or eliminate the risk of environmental harm. They may partner with clients in government or private industry to handle aspects of a project that deal with factors like waste disposal, regulatory compliance or preserving air quality.

We’ve compiled a list of some top environmental engineering companies employing experts who specialize in solving environmental issues and managing sustainable natural resource use.

Top Environmental Engineering Companies

  • HDR
  • Stantec
  • GHD
  • Tetra Tech


Top Environmental Engineering Companies

Headquarters: Dallas, Texas

AECOM is an infrastructure consulting firm bringing together experts in engineering, construction and design to work in markets like energy and water. Its offerings in the area of environmental services are used by clients in both the industrial and public sector to overcome challenges, while also meeting compliance standards and prioritizing a positive impact on the environment. For example, AECOM has the capabilities to collaborate on projects involving energy transition and decarbonization.

Read MoreWhat Is Greentech? Greentech & Cleantech Definition


Headquarters: Omaha, Nebraska

HDR is an employee-owned company that brings engineering, architecture, environmental and construction services to  clients around the world  With operations in more than a dozen countries, HDR’s employees have worked on a portfolio of projects in 16 different industries, such as transportation and urban development. The company’s environmental sciences expertise covers areas including ecosystem restoration and air quality management.


Headquarters: Edmonton, Canada

Design firm Stantec serves clients from more than 400 office locations across six continents. The company says it is “passionate about the relationship between our natural and built environments,” working to form teams that include experts in engineering and science who are able to meet the unique needs of each project. Stantec employs specialists who can tackle sustainable energy systems, ecosystem restoration, coastal resilience and other initiatives.


Headquarters: Sydney, Australia

Founded in the 1920s, GHD now employs more than 10,000 professionals with skill sets in architecture and engineering to serve clients on five continents. The company offers its environmental services to governments, as well as private and public sector organizations, and span everything from managing aquatic environments to designing hydrogen energy projects.

Further Reading33 Environmental Companies Building a Sustainable World


Headquarters: Pasadena, California

Tetra Tech provides engineering and consulting services for all project stages, with an emphasis on tackling challenges in the areas of water, environment, sustainable infrastructure, renewable energy and international development. In the realm of environmental solutions, the company’s projects have ranged from developing strategies to reduce emissions to designing a passage for migrating fish, including endangered species.

Great Companies Need Great People. That's Where We Come In.

Recruit With Us