
Twining Inc.
Grounded in Safety, Built on Sustainability.
Explore capabilities, project experience, and office locations to build your shortlist.

Grounded in Safety, Built on Sustainability.

Innovative & Reliable
Glen Allen, VA

Delivering quality solutions - by providing service through integrity

Construction Inspection and Testing and Concrete Testing.
Lexington Park, MD
Accredited Laboratory Testing.
Dallas, TX+5
Strategic Engineering Solutions that Exceed Expectations

Geotechnical, environmental, and construction inspection services from Colorado Springs and Denver.
Colorado Springs, CO+2

Leaders in Quality Infrastructure Design
Shreveport, LA

Civil engineering and land development services in Wyoming
Gillette, WY
Geotechnical Engineering and Construction Inspection.
Clearwater, FL+2

Geotechnical Engineering and Pavement Design.
Huntsville, AL

Professionals at Every Turn
Omaha, NE+1

Your Partner in Geotechnical & Environmental Engineering
Birmingham, AL
Geotechnical Engineering and Subsurface Site Investigation.
Tempe, AZ

Building Tomorrow's Legacy, Today
San Jose, CA

Building America from the ground up since 1993
Huntington Beach, CA

Your Trusted Partner in Geotechnical Engineering Solutions
Houston, TX+12

We know the science behind your concrete.
Mendota Heights, MN

Innovative Geotechnical Solutions
Tucson, AZ

Sustainable quality design and professional engineering solutions
Grand Forks, ND

Over 60 Years of Engineering Excellence.
Sioux Falls, SD+3
Delivering expertise and accuracy for over a century
Warrenville, IL+3
Geotechnical Engineering Investigation and Construction Materials Testing.
Waco, TX

Geotechnical engineering, material testing, special inspections, and drilling services in Arizona
Mesa, AZ