
C3S, Inc.
Experts in the Field
Houston, TX
Explore capabilities, project experience, and office locations to build your shortlist.

Experts in the Field
Houston, TX

Geotechnical Engineering and Subsurface Investigation.

Construction Engineering and Construction Oversight.
Provo, UT

Your Partner in Geotechnical & Environmental Engineering
Birmingham, AL
Critical investigations, testing, analysis, and design for a more certain world
St. Paul, MN+21

North Florida's Premier Engineering, Testing, and Inspection Firm
Jacksonville, FL

Structural Engineering and Seismic Studies and Renovations.
Medford, OR

Engineered Solutions For Asset Lifecycle Management
Huntersville, NC

Engineering Consulting and Testing Firm
Vacaville, CA+1

World Class Engineering Services
Grand Junction, CO+2

Founded in Texas, by Texans.
Fort Worth, TX+1

Results With No Excuses
Laurel, MD+4
Mechanical & Industrial Engineering and Machine Design.
Granville, OH

Excellence in Engineering For Over 60 Years
Milford, MI+1

Structural Engineering and Geotechnical Engineering.
Ann Arbor, MI+3

Civil and Structural Engineering and Geotechnical Engineering.
Houston, TX

Delivering High Quality, Efficient Transportation Solutions
New Cumberland, PA+6

Geotechnical and environmental engineering solutions that balance cost and risk.
San Jose, CA

Your Go-To Engineering Consulting Partner
Chantilly, VA
Transportation Engineering and Bridge Design.
Hurricane, WV+1
Geotechnical, environmental, and materials testing services in South Florida
Hialeah, FL

Engineering Solutions for Stronger Communities
Effingham, IL

Innovative geotechnical, forensic structural, and materials testing services throughout Florida.
Tampa, FL+2

We are Falcon. Experience the difference.
Cary, NC