
Hillis-Carnes Capitol Services, PLLC
Geotechnical, environmental, and materials engineering from the roof to the ground
Washington, DC
Explore capabilities, project experience, and office locations to build your shortlist.

Geotechnical, environmental, and materials engineering from the roof to the ground
Washington, DC
Delivering innovative engineering solutions that rise to the challenges and complexities of critical infrastructure projects
Wellesley, MA+1

Practical Solutions for a Complex World
Moab, UT

Your Go-To Engineering Consulting Partner
Chantilly, VA
Your Foundation for Success
Annapolis Junction, MD+20
Geotechnical Explorations and Site Investigation.
Honolulu, HI

Civil Engineering Consulting You Can Trust
Edgewood, WA

Geotechnical Engineering and Slope Stability Analysis.
Edmond, OK

Engineer - Design - Inspect
Powhatan, VA+1

YOUR GO-TO Engineering Consulting Partner
Asheville+43

Laying the Groundwork for Tomorrow
Halethorpe, MD
Geotechnical Engineering and Subsurface Exploration and Soil Borings.
Houston, TX