UNITED STATES WELDING INC
USDOT 29755 · Doing business as ROCKY MOUNTAIN AIR SOLUTIONS
Active, interstate carrier, mid-size fleet (27 power units) — safety rating: satisfactory.
Vetting summary
At a glance
- Out-of-service rate6.1% vs 19.1% national avg
- Crashes (24 months)1 reported — involvement does not imply fault
These signals summarize the records shown below — they are a starting point for your own checks, not a judgment of the carrier.
Registration
Carrier identity
| USDOT Number | 29755 |
|---|---|
| MC Number | — |
| Legal Name | UNITED STATES WELDING INC |
| DBA Name | ROCKY MOUNTAIN AIR SOLUTIONS |
| Entity Type | CORPORATION |
| Phone | 3037772475 |
| Address | 600 S SANTA FE DRIVE, Denver, CO, 80223 |
Status
Authority & safety
| Operating Status | Active |
|---|---|
| Operation Type | Interstate |
| Safety Rating | S — Satisfactory (rated 20040115) |
| Hazmat Flag | true |
Safety ratings: S = Satisfactory, C = Conditional, U = Unsatisfactory. A carrier with no rating has not been through a full FMCSA compliance review — this is common and not itself a red flag.
Our scoring
Safety scores
| Unsafe Driving | 0 / 100 |
|---|---|
| Hours-of-Service Compliance | 82 / 100 |
| Driver Fitness | 89 / 100 |
| Controlled Substances & Alcohol | 0 / 100 |
| Vehicle Maintenance | 67 / 100 |
Scores are 0-100 rankings computed by us from public FMCSA inspection measures; higher = worse relative to peers. Not official CSA/BASIC percentiles. How these scores are computed.
Safety events
Inspections & crashes (last 24 months)
| Inspections | 49 |
|---|---|
| Out-of-Service Rate | 6.1% vs 19.1% national average |
| Crashes | 1 total (0 fatal, 0 with injuries, 1 towaway) |
- 2025-06-05 — UT — towaway
Crash involvement does not imply fault. FMCSA crash records list all reportable crashes involving a carrier, regardless of who caused them.
Equipment
Fleet & operations
| Power Units (trucks) | 27 |
|---|---|
| Drivers | 33 |
| Recent Annual Mileage | 1,255,000 |
| Last MCS-150 Filing | 28-MAY-25 |
UNITED STATES WELDING INC operates 27 power units — a larger fleet than 98% of carriers registered in CO.
Nearby
Other carriers in Denver, CO
- NATIONSWAY TRANSPORT SERVICE INC — USDOT 44950, 1761 power units
- QWEST CORPORATION — USDOT 453455, 1304 power units
- WILBUR-ELLIS COMPANY LLC — USDOT 41539, 1208 power units
- PUBLIC SERVICE COMPANY OF COLORADO — USDOT 52578, 984 power units
- CITY AND COUNTY OF DENVER — USDOT 530060, 930 power units
Browse all carriers in Denver, CO or all CO carriers.