Carrier profile · USDOT 29755 · Updated Jun 13, 2026
United States Welding Inc
DBA ROCKY MOUNTAIN AIR SOLUTIONS
27 power unitsRegional · 6 statesDENVER, CO94/100
AUTHORITY STATUS UNKNOWNRATED SATISFACTORYHAZMAT
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
- 600 S SANTA FE DRIVE, DENVER, CO, 80223
- Operation
- Interstate· Hazmat
Contact
- Phone
- (303) 777-2475
- Fax
- (303) 777-4537
- Web domain
- rockymountainair.com
Registration
- Officer
- Richard E. Lofgren
- USDOT / docket
- 29755
- First registered
- Jun 1, 1974
- Last MCS-150
- May 28, 2025 · 1,255,000 mi (2024)
- FMCSA safety rating
- Satisfactory · Jan 15, 2004
- D-U-N-S
- 78353927
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.