
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.

Quality & Affordability
Frederick, MD+1

From the Ground Down - geotechnical, environmental, and construction services for the Bay Area development community.
Sunnyvale, CA

Working Together to Achieve Your Goals
Evansville, IN+1
protect infrastructure and minimize risk through CONSTRUCTION MONITORING
San Francisco, CA+1

Knowledgeable Partners. Leading with Expertise. Committed to Excellence.
Concord, NC

Quality, innovative, and cost-effective consulting engineering solutions
Turtle Creek, PA+1
Engineering Solutions That Speak Precision & Quality

Geotechnical Engineering and Subsurface Investigation.
Starkville, MS+2

Explore Underground Solutions Today

Quality that sets the Standard
Atlanta, GA

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

Sustainable Solutions for an Evolving World
Santa Rosa, CA

Bright People. Right Solutions.
San Diego, CA

Geotechnical Engineering and Construction Materials Testing.
Akron, OH
Strategic Engineering Solutions that Exceed Expectations

Always Deliver More Than Expected
Evergreen, CO

Civil - Planning - Surveying
Idaho Falls, ID+1

Designing for the Future...
Altoona, PA+8

Providing Structural & Geotechnical engineering services since 1968
Syracuse, NY

Geotechnical, environmental, and occupational health and safety engineering consulting
Washington, DC+2

Providing Quality Services for Over 30 Years
Tulsa, OK+3

Engineering Our Community
Columbia, MO+3

Geotechnical Engineering and Geostructural Engineering.
Washington, DC