
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.

Geotechnical Engineering and Subsurface Investigation.
Starkville, MS+2

Geotechnical & Environmental Consultants
Seattle, WA+14

Reinventing the Art of Engineering
Bridgeport, CT

When You Need It Yesterday...
Syracuse, NY

Always Deliver More Than Expected
Evergreen, CO

Professional Engineering and Surveying
Iron Mountain, MI+2

Exceptional People Providing Exceptional Solutions
Atlanta, GA+2
Northwest Geosystem Experts
Bend, OR
Engineering Knowledge, Experience and a Team of Dedicated Professionals.
Houston, TX

Global leader in high-performance airfield and heavy load logistics pavements
Geotechnical Engineering and Subsurface investigation and soil sampling.
Whitehouse, TX+3

Authentic partnerships are the best way to design and deliver projects that create lasting value.
Chicago, IL+3

A Stable Foundation for a Solid Future
Hammond, IN
A Unified Approach to Excellence

Deliver a Quality Project, On Time and Within Budget, That Exceeds Expectations

Innovative Engineering & Environmental Solutions
Poplar Bluff, MO

Engineering Consulting and Testing Firm
Vacaville, CA+1

Professional Engineering & Surveying with Common Sense
Idaho Falls, ID+1

Partners for What's Possible
Philadelphia, PA

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

Over 60 Years of Engineering Excellence.
Sioux Falls, SD+3

Civil - Planning - Surveying
Idaho Falls, ID+1
A Practical Approach to Geotechnical Consulting
North Chelmsford, MA+1