Here are the Top 10 engineering firms in Arizona, based on public voting for the 2021 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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Here are the Top 10 engineering firms in Arizona, as featured in the 2021 edition of Ranking Arizona:

Top 10 civil engineering firms (16 PE/EITs or more)


1. Wood, Patel & Associates

Background: Wood, Patel & Associates is a locally-owned and operated consulting civil engineering firm serving Arizona and the region for more than 35 years. With a core purpose to “Create Connect Protect,” Wood, Patel & Associates believes in serving its clients and community with purpose and meaning. Wood, Patel & Associates collaborates with clients to create impactful projects that shape the community; connect on a human level to develop long lasting relationships; and as professionals, Wood, Patel & Associates takes great pride in its civic duty to protect public safety and its clients’ best interests.


3. Coe & Van Loo Consultants

4. RITOCH-POWELL & Associates

5. EPS Group

6. Kimley-Horn and Associates

7. Bowman Consulting Group

8. Burns & McDonnell Engineering Company

9. Dibble

10. AZTEC Engineering Group Inc.

Top 10 civil engineering firms (15 PE/EITs or fewer)


1. Sunrise Engineering

Background: Sunrise Engineering has been around for more than 43 years and started its humble Arizona beginnings in 1985. Since then, Sunrise Engineering has grown to its status of more than 370 employees licensed to practice in 20 states. Sunrise Engineering is an established leader for professional engineering and consulting services and has been recognized nationally as one of ENR’s Top 500 Design Firms for the past five years. Sunrise Engineering also has an award-winning reputation for budgetary responsibility and engineering excellence, as evidenced by its receipt of the PSMJ National Client Satisfaction Award for eight consecutive years.

2. Huitt-Zollars

3. Southwest Traffic Engineering

4. Civil & Environmental Consultants, Inc.

5. Rick Engineering Company

6. CobbFendley

7. SEG (Sustainability Engineering Group)

8. Entellus, Inc.

9. Terrascape Consulting

10. Hess-Rountree Inc.

Top 10 structural engineering firms


1. Caruso Turley Scott

Background: Caruso Turley Scott Inc. structural engineers was founded by Sam Caruso in 1963 on the promise of engineering excellence, outstanding customer service, and integrity. Building upon that foundation is a successful reputation for responsiveness, efficient and progressive design solutions, and extensive experience in all building types including complex projects that benefit from BIM three-dimensional modeling. Caruso Turley Scott has a team of structural experts, where 70 percent of their engineers are registrants, providing innovative solutions. A high level of repeat client business demonstrates Caruso Turley Scott meets or exceeds clients’ expectations, and its team is licensed in all 50 states where it has made a lasting impact across the continent.

2. PK Associates Consulting Structural Engineers LLC

3. A. V. Schwan & Associates Inc.

4. Meyer Borgman Johnson

5. AZTEC Engineering Group Inc.

6. DLR Group

7. David Bixler and Associates

8. Simply Structural Inc.

9. Burns & McDonnell Engineering Company Inc.

10. United Structural Design

Top 10 geo material testing firms


1. Speedie & Associates

Background: Arizona-based Speedie & Associates, Inc. (S&A), founded in 1980, is a consulting engineering firm that specializes in geotechnical, environmental and construction materials testing and special structural inspection services. In addition to its home office and testing laboratory in Phoenix, S&A maintains offices and laboratories in Tucson and Flagstaff with satellite offices in Safford and Show Low. As one of our state’s few locally owned specialty engineering firms, S&A offers a highly qualified staff of more than 130 professional engineers, registered geologists, field and laboratory technicians and support personnel statewide.

2. Ninyo & Moore

3. Ricker, Atkinson, McBee, Morman & Assoc.

4. Western Technologies

5. GeoTek

6. ACS Services

7. Alpha Geotechnical & Materials Inc.

8. ATEK Engineering Consultants

9. Terracon

10. Smith and Annala Engineering Co (SAECO)