STX Civil
Highway Guardrail and Concrete Flatwork.
Laredo, TX
Explore capabilities, project experience, and office locations to build your shortlist.
Highway Guardrail and Concrete Flatwork.
Laredo, TX
Engineering Excellence for a Better Tomorrow

The Earthing & Grounding Specialists
Over 50 Years of Excellence in Professional Engineering Services
Birmingham, AL+4

DFW-Based Engineering Firm. Civil Engineering. Surveying. GIS.
Grand Prairie, TX

Precise. Responsive and Budget Conscious.
Carlsbad, CA
Intelligent Infrastructure. Enduring Communities.
Billings, MT+13

We solve problems.

Partnering to Build & Protect What Matters Most
Tucson, AZ+4

Client Focused Engineering
Olympia, WA+1
Improving Quality of Life
Pleasantville, NY+3

Engineering Solutions since 1969
Sioux Falls, SD

Practical, engineering-first solutions for Texas communities.
Austin, TX+2
New Bridge & Bridge Repair Design and Superstructure Replacement.
Lynchburg, VA+1

Road and bridge construction engineering
Grand Rapids, MI+2

Trusted Civil Engineering Solutions for Over 78 Years
Watertown, SD

expertise you can build on
Girard, OH

Transportation Engineering and Transportation Planning.
Cedar Park, TX

Civil Engineering and Drainage Design.
Monroe, LA

Designing for Durability, Inspecting with Integrity

Civil Engineering and Transportation & Traffic Engineering.
Bangor, ME

Civil Engineers & Professional Land Surveyors
Biloxi, MS

Geotechnical & Environmental Consultants
Seattle, WA+14

Building A Legacy Of Trust Since 1981