
DEIH, L.L.C.
Together, we are building the future.
Tucson, AZ
Explore capabilities, project experience, and office locations to build your shortlist.

Together, we are building the future.
Tucson, AZ

Excellence in Geotechnical Engineering and Construction Support Services

Redefining Consulting for 30 Years
Tukwila, WA

Geotechnical Engineering and Slope Stability Analysis.
Phoenix, AZ

High-Quality Engineering Solutions Customized to Fit Your Project
Commerce City, CO+1

Your Project Success Starts Here
Reno, NV

Engineered better together, from concept to completion.
Washington, DC

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

Geotechnical Engineering and Subsurface Explorations.
Richmond, VA

Your Go-To Engineering Consulting Partner
Chantilly, VA

Industrial engineering, mechanical integrity, metrology, and project management
Jonesboro, AR+2

Where Experience Meets Innovation
New Orleans, LA

Forging a bright and sustainable future together.
Butte, MT

45 years of excellence
Houston, TX

Florida Infrastructure Beyond Engineering
Jacksonville, FL+3
Engineering, surveying and testing
Holland, MI+4
Construction Materials Testing and Special Inspection and Geotechnical Engineering.
West Valley City, UT

Engineering Excellence Since 1990.
Norcross, GA+4

Quality Services: On Time and On Budget
Savannah, GA+10

Solving Complex Problems Through Integrated Design and Engineering
Quincy, IL+8

No Slogan… Just Results
Jacksonville, FL

Proper Execution with Precision
Miamisburg, OH
Practical, efficient, and cost-effective geotechnical and civil engineering solutions
Cedar Park, TX+1

Geotechnical, environmental, and materials engineering from the roof to the ground
Washington, DC