Here are the Top 10 water supply engineering firms in Arizona, based on public voting for the 2025 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?

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Top 10 water supply engineering firms in Arizona

Here are the Top 10 water supply engineering firms in Arizona, as featured in the 2025 edition of Ranking Arizona:

1. Sunrise Engineering

Background: Sunrise Engineering has provided professional services for over 46 years, establishing a presence in Arizona in 1985. With a team of nearly 500 employees, Sunrise is an established leader in professional engineering and consulting services and has been recognized nationally as one of ENR’s Top 500 Design Firms for the past 10 years. Sunrise has extensive experience with water system design. Sunrise Engineering’s hydrogeologists and engineers are experienced with every aspect of water systems, including source development, treatment plants, distribution system modeling and design, pressure zone analyses and design, booster station design, storage tank design, water quality studies, and master plans.

Strength of staff: “Variety is one of our strongest attributes. Our team of very bright and talented staff come from a range of diverse backgrounds. Each has strengths that they bring to the team, allowing us to easily assemble a well-rounded team to help us provide solutions for our clients.”

2. Kimley-Horn

3. AECOM

4. Stantec

5. HDR

6. Olsson

7. Burns & McDonnell

8. Carollo Engineers

9. Black & Veatch

10. Gannett Fleming

Ranking Arizona: Think someone else should be on the list? To make your vote count in the 2026 edition of Ranking Arizona, click here to vote.