Henley-Johnston & Associates, Inc.
Leader and innovator in the highly specialized field of geotechnical engineering
Dallas, TX+1
Explore capabilities, project experience, and office locations to build your shortlist.
Leader and innovator in the highly specialized field of geotechnical engineering
Dallas, TX+1

Value Engineering From the Ground, Down
Carlsbad, CA
Civil Engineering and Public Water and Wastewater Engineering.
Newport, WA+2

Geotechnical, environmental, and construction inspection services from Colorado Springs and Denver.
Colorado Springs, CO+2
Engineering Solutions for a Sustainable Future
Columbia, MD

Construction Materials Testing and In-place moisture content and dry density testing.
Tucson, AZ

Working Together to Achieve Your Goals
Evansville, IN+1
Excellence, dedication, and innovation.
Chicago, IL

Leading Geotechnical Consulting Firm
San Dimas, CA
Your Engineering Services Firm With A Technical Edge
Atlanta, GA+3
We're your concrete durability experts.
Tampa, FL

Results With No Excuses
Laurel, MD+4

45 years of excellence
Houston, TX

Best in Class - Responsive | Innovative
Lexington, KY
Accredited Laboratory Testing.
Dallas, TX+5
Environmental Services and Environmental Site Assessment.

Dedicated Corrosion Engineers
Reston, VA+2

Innovative & Reliable
Glen Allen, VA

Quality of Life Through Excellence in Engineering
Jackson, WY+2

Customized high-performance radiation shielding and optimization software
Monroe Township, NJ
Geotechnical Engineering and Subsurface Site Investigation.
Tempe, AZ

Engineering simple solutions
Homewood, AL

Empowering Projects with Geostructural Expertise and Technology
New York City, NY

Geotechnical Solutions for a Sustainable Future
Baton Rouge, LA+1