Here are the Top 10 environmental firms in Arizona, based on public voting for the 2022 edition of Ranking Arizona, the state’s biggest and most comprehensive business opinion poll. Ranking Arizona is based purely on opinion and ranks companies based on how voters answer this simple question: with whom would you recommend doing business?

READ ALSO: Here are the Ranking Arizona Top 10 lists for 2022

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Here are the Top 10 environmental firms in Arizona in Arizona, as featured in the 2022 edition of Ranking Arizona:

1. Environmental Technology

Background: Environmental Technology, Inc. (EN TECH®) is a professional engineering and environmental consulting firm based in Phoenix, Arizona, established in January, 1990. EN TECH is comprised of an outstanding and diverse group of engineers, geologists, environmental scientists and administrative support staff dedicated to professional excellence. EN TECH’s business is solving our clients’ environmental problems in a cost-effective manner. Environmental Technology’s professional staff accomplishes this with their technical expertise and a multiple discipline approach, their innovative use of the best available technology, their strong work ethic and a thorough understanding of current federal, state and local environmental regulations.

Strengths: “EN TECH strength is our emphasis on technical excellence and customer service.  EN TECH strives to be a leader in environmental consulting and engineering industry.  Our Client base has referred us to others and has maintained long term relationships.”

2. Ninyo & Moore

3. Speedie & Associates


5. Western Technologies

6. Adams and Wendt

7. Clark Seif Clark

8. Kimley-Horn and Associates

9. Carollo Engineers

10. ATC Group Services

Think someone else should be on the list? To make your vote count in the 2023 edition of Ranking Arizona, click here to vote.

Voting for the 2023 issue of Ranking Arizona ends July 31, 2022.