
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
Building Strong Foundations Across the Southeast
Baton Rouge, LA+11

Civil and Geotechnical Engineering and Analysis, Design, and Engineering Reports.
Saipan, MP+2
Geotechnical Engineering and Construction Observation and Testing.
Renton, WA

Engineering, Surveying, and Inspections
Mechanicsburg, PA

Knowledge - Tools - Service
Springfield, MO+2
Geotechnical Engineering and Shallow and deep foundation studies.
O'Fallon, MO

Expect Excellence
San Ramon, CA+20

Earth. Science. Solutions.
St. Louis, MO

creating solutions from the ground down
Kansas City, MO

An Independent, Locally Owned Engineering Practice.

Built on firm foundations
New York, NY+2

Engineering You Can Trust, Results You Can Build on
Casper, WY

Shaping the Quality of Life - Together
Richfield, UT+10

Geotechnical Engineering and Special Inspections and Nondestructive Testing.
Sacramento, CA+1

Deep Industry Knowledge
Houston, TX+1
Engineering Excellence
Las Vegas, NV+5

Practical geotechnical engineering solutions for Hawaii and Guam
Aiea, HI
Geotechnical Engineering and Subsurface Investigations & Soil Sampling.
Las Vegas, NV

Specialty Structural Engineering, Nondestructive Testing & Diagnostics
Lafayette, CO+1

Specializing in structural engineering, parking consultation, and construction materials inspection
Rockville, MD+1

High Quality, Down To Earth, Geotechnical and Civil Engineering
Pueblo, CO

Practical environmental and engineering solutions, delivered with precision and integrity.
Nashville, TN+3

Geotechnical Engineering and Geotechnical and Geologic Reconnaissance.
Santa Rosa, CA