Partner with people who share your passion.

Gabriel is the only Chicago-area environmental firm with complete in-house capabilities.


With budget and deadline pressures always a major consideration, you can depend on Gabriel Environmental Services for efficiency, accuracy and value. Yet, you never feel like a file number. Every project receives the personal, friendly attention that Gabriel is known for.

  • Unparalleled Expertise

    You also receive the benefit of unparalleled knowledge and expertise. Gabriel has been a leader in environmental consulting since 1973. Our thorough understanding of environmental laws and regulations allows us to arrive at the best possible legal outcome for your project.

  • Commitment to Sustainability

    Gabriel is pleased to be recognized for our on-going environmental stewardship by the State of Illinois as a winner of a Governor’s Sustainability Award.

    For more information about our environmental initiatives, including our geothermal energy systems, visit our Sustainability page.

  • Chicago’s ONLY in-house laboratory services

    Our NELAC-certified, in-house lab allows us to provide a complete range of soil-, water- and air-quality testing and analysis in a very timely, cost-efficient manner.

Let’s keep in touch
Birdhouse Project

John’s birdhouses make their way around the world! Check out the birdhouse instagram feed to see where they’ve been lately.