Chao and Associates, Inc.
We engineer the solution.
Columbia, SC+1
Explore capabilities, project experience, and office locations to build your shortlist.
We engineer the solution.
Columbia, SC+1
Engineering, surveying and testing

Excellence in Geotechnical Engineering and Construction Support Services
Colorado Springs, CO

Providing solutions since 1948.
Casper, WY+1
Civil Engineering and Environmental Engineering.
St. Louis, MO

Delivering geotechnical engineering, environmental consulting, and construction materials testing services across the Western United States
Las Vegas, NV+3

Providing comprehensive engineering, construction, and construction management services.
Atlanta, GA+2
Shaping Our Communities
Fremont, CA+9

Expect Excellence
San Ramon, CA+20

Experience is the Difference.
Santa Rosa, CA+1

45 years of excellence
Houston, TX
Dependable Civil Engineering, Surveying, and Environmental Services in Richmond, VA
Midlothian, VA

Engineering The Future
New York, NY
Calibration and Avionics Calibration.

Your Partner to Build a Better World
Houston, TX+1

Geoprofessional and Materials Testing Services
San Juan, PR

Innovative, Economical Solutions. Exceptional Client Service.

Geotechnical engineering, environmental services, construction materials testing, and special inspections provider
Hickory, NC+1

Building A Solid Foundation Through Excellence
Orlando, FL+2

Engineering services from concept to production, including design, simulation, and manufacturing
Charlotte, NC
Your Foundation for Success
Annapolis Junction, MD+20

Exceeding our clients expectations is our guarantee.
Gretna, LA

Engineering Consulting and Testing Firm
Vacaville, CA+1

Experts in Infrared Calibration, Temperature Measurement & Engineering Solutions
Cincinnati, OH