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Last updated: April 2026
HC

Hillis-Carnes Capitol Services, PLLC

Washington, DC
(2)

Hillis-Carnes Capitol Services, PLLC is a consulting engineering firm providing geotechnical engineering, construction materials testing and inspections, environmental consulting, drilling and subsurface explorations, industrial hygiene, geostructural engineering, drone inspections, and laboratory testing. It serves public and private-sector clients in Washington, DC and throughout the Mid-Atlantic region. The firm established its District office in 2015 and is affiliated with Hillis-Carnes Engineering Associates, Inc., which has provided expertise in the region for over 37 years.

drone inspectionsgeotechnical engineeringconstruction materials testing and inspectionsenvironmental consultingdrilling and subsurface explorationsindustrial hygienethird-party inspectionslaboratory testing
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Credentials & Experience

Years of Experience
37+
Certifications
  • Certified Business Enterprise (CBE # LZ31592012028)
  • USACE QCM Certified
  • Special Inspections required by the Department of Building
Client Rating
4.5/5 (2 reviews)

Coverage Area

Washington, DC and throughout the Mid-Atlantic region

Additional Details

Years of Experience
37 years
Inspection Specialties
Construction Progress
Clients & Industries Served
Commercial & IndustrialGovernment & Emergency Management

Location

1414 North Capitol Street NW, Washington, DC 20002, Washington, DC

Also listed in Washington

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