Carrier profile · USDOT 2479831 · MC-34550 · Updated Jun 13, 2026
GCS LLC
DBA GOVERNMENT CONTRACTING SERVICE LLC
9 power unitsavg 11.1 yrRegional · 3 statesLOMA, CO100/100
CARRIER ACTIVEMC-34550 ACTIVE
Identity & Federal
The official FMCSA identity — legal name, DBA, addresses, contact, officers, and registration — alongside the daily-captured federal-record activity feed, monitored daily by Vektor.
Location
- Physical address
- 1360 HIGHWAY 6&50, LOMA, CO, 81524
- Mailing address
- PO BOX 130, LOMA, CO, 81524
- Operation
- Interstate
Contact
- Phone
- (970) 256-0465
- pmiller@gcs-llc.net
- Web domain
- gcs-llc.net
Registration
- Officers
- Mark Mills · Casey Mills
- USDOT / docket
- 2479831 · MC-34550
- First registered
- Feb 27, 2014
- Last MCS-150
- Jan 27, 2025 · 160,000 mi (2024)
- FMCSA safety rating
- Not rated
- Recordable crash rate
- 0.00
- D-U-N-S
- 809074847
Fleet (self-reported · MCS-150)
MCS-150 filing history· biennial-update cadence
Per-filing MCS-150 history (each biennial update + the fleet/mileage it reported) is being captured from the daily federal feed and will appear here as we capture the full history.
Federal record activity· monitored daily by Vektor
No licensing or insurance changes captured since Vektor began monitoring this carrier (June 2026). Quiet is usually good.