
The Holt Group, Inc.
Engineering and Planning Since 1984
Blythe, CA+2
Explore capabilities, project experience, and office locations to build your shortlist.

Engineering and Planning Since 1984
Blythe, CA+2

Over 20 Years of Excellence

Cost-Effective Engineering Services
Phoenix, AZ

Design-Build and Program Management.
Portland, OR

Civil Engineering and Environmental Engineering.
Eunice, LA+1

We help you overcome project challenges and deliver results!
San Pedro, CA

Helping Build a Better Site, a Faster Network, a Brighter Future!
Hermitage, PA

Pavement Engineering and Comprehensive Non-Destructive Field Testing.
Hamilton, NJ+1

Building Tomorrow, Grounded Today
Boise, ID

Your Partner in Water, Wastewater, & Reclaimed Water Infrastructure

Full-service engineering and analysis delivering high-quality, personalized services
Idaho Falls, ID+1

Civil engineering consulting specializing in transportation, structural, and electrical design

Sustainable, energy-efficient, and eco-friendly engineering solutions
Engineering and General Engineering Support.
Huntsville, AL

The New York metro's leader in automation solutions.
West Babylon, NY

Delivering public-sector transportation projects efficiently, ahead of schedule, and under budget.
Fresno, CA+3

Structural Engineering and Research.
Roselle Park, NJ

Engineered Solutions for Building Envelopes®

Building Strength Through Support
Fort Collins, CO

Your Trusted Partner in Solving Your Toughest Technical Problems
Oak Ridge, TN
Making the World's Infrastructure Resilient & Sustainable
Riviera Beach, FL

A relationship-oriented full-service engineering firm
Marianna, FL+1

Delivering Solutions for Dams and Levees

Engineering Solutions for Change & Growth
Roanoke, VA+5