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UNITED STATES WELDING INC
DBA: Rocky Mountain Air Solutions
Denver, CO
CarrierChk vetting signal
No flags raised
Authority, insurance, safety rating, crash records and out-of-service rates checked
FMCSA status: Active registration · no operating authority · DOT 29755
Active
Satisfactory
Broker Vetting Summary
Key signals from current FMCSA records
Authority
No Active Authority
Common carrier
Insurance
Not Found
No coverage amount on file
Safety
Satisfactory
8.2% OOS · 72 inspections on record
✓ No risk flags found on authority or insurance records
Vetting notes
- Active FMCSA registration, but no active for-hire operating authority on record
- Registered with FMCSA as a private carrier — not registered to haul other companies' freight for hire
- No active insurance filing found on record
- FMCSA safety rating: Satisfactory
- Vehicle out-of-service rate 7.1% — below the 20.7% national average
- Driver out-of-service rate 0.0% — below the 5.5% national average
- 72 FMCSA inspections on record
Company Information
Registration, contact and cargo details
FMCSA Registration
DOT Number
29755
Safety Rating
Satisfactory
Entity Type
Corporation
Operation Classification
Private (property)
MCS-150 Filed
May 28, 2025
FMCSA Registration
June 1, 1974
Annual Mileage
1,255,000 mi (2024)
Contact Information
Address
600 S Santa Fe Drive, Denver, CO 80223
Phone
Email
Website
Owner / Officer
Richard E. Lofgren
Cargo Types
Liquids/GasesChemicals
Safety Snapshot
Out-of-service rates, violations and crashes
Safety & Inspection Summary
Total Inspections
72
Driver Inspections
44
Vehicle Inspections
65
Out-of-Service Violations
7
Violations by Category
Vehicle Maintenance30
Unsafe Driving0
Hours of Service2
OOS Rates vs. National Average
Driver OOS Rate0.0% · national avg 5.5%
✓ Below national average
Vehicle OOS Rate7.1% · national avg 20.7%
✓ Below national average
8.2% of 49 inspections in the last 24 months put a driver or vehicle out of service —
22nd percentile among carriers with 25–99 inspections (lower is better).
CarrierChk calculation from FMCSA roadside inspection records, not an FMCSA score.
Inspection Trend by Year
2026
2025
2024
Violation Rate by Category
Share of roadside inspections in FMCSA's rolling 24-month window that found a violation in each category. The individual violations are listed under each inspection in Inspection Details below. None of this is the basis of the safety rating, which comes from an on-site compliance review.
Vehicle Maintenance
11 of 43 inspections
Unsafe Driving
0 of 50 inspections
Hours of Service
2 of 50 inspections
Driver Fitness
1 of 50 inspections
Controlled Substances
0 of 50 inspections
Crash History (1)
Crashes reported to FMCSA in the last 24 months. A crash appearing here is a reported event, not a finding of fault.
1
Crashes
0
Fatalities
0
Injuries
1
Tow-aways
| Date | State | Fatal | Injured | Tow | Conditions |
|---|---|---|---|---|---|
| June 5, 2025 | UT | — | — | Yes | No Adverse Conditions · Daylight · Dry |
Fleet & Operating Areas
Observed roadside activity and equipment
Where This Carrier Operates
States where this carrier's roadside inspections were recorded
FewerMore
CO28
UT22
WY7
ID2
NM2
US2
and 1 more state
Fleet & Equipment (48)
Vehicles identified in this carrier's inspection history. Year, make, model and equipment type are decoded from the VIN.
Power units
~34
of 27 reported to FMCSA
Trailers
~14
seen at inspection
Equipment types observed
Truck
16
Tractor
14
Semi-trailer
7
Tank
4
Dry Van
3
Not Applicable
3
Straight Truck
1
Units on record
| Vehicle | Type | VIN | Inspections | With OOS |
|---|---|---|---|---|
| 2025 Freightliner M2 | Truck · Class 7 | 3ALACXFC2SDVN6220 | 5 | — |
| 2020 Freightliner M2 | Truck · Class 8 | 3ALHCYFE4LDLY4733 | 5 | — |
| 2022 Freightliner M2 | Truck · Class 8 | 3ALHCYFE8NDNH4839 | 4 | — |
| Unpublishe | Semi-trailer | 1A9PA3202D503025 | 3 | 1 |
| 2001 Alloy Custom Products | Tank · 43 ft | 1A9PA43221D503009 | 3 | — |
| 2025 Peterbilt 567 | Tractor · Class 8 | 1XPCDP9X0SD757355 | 3 | — |
| 2022 Freightliner M2 | Truck · Class 8 | 3ALHCYFE4NDNH4840 | 3 | — |
| 2022 Freightliner M2 | Truck · Class 8 | 3ALHCYFE6NDNH4841 | 3 | 1 |
| Unpublishe | Semi-trailer | 1C9TE711XPJ452003 | 2 | — |
| 2004 Utility Trailer Manufacturer | Dry Van · 45 ft | 1UYVS24534P244404 | 2 | — |
Show all 48 units
| Vehicle | Type | VIN | Inspections | With OOS |
|---|---|---|---|---|
| 2018 Kenworth T880 | Tractor · Class 8 | 1XKZD49X2JJ223370 | 2 | — |
| 2020 Peterbilt 579 | Tractor · Class 8 | 1XPBDP9X2LD662907 | 2 | — |
| 2026 Peterbilt 567 | Tractor · Class 8 | 1XPCDP9X2TD800384 | 2 | — |
| 2025 Freightliner M2 | Truck · Class 7 | 3ALACXFC2SDVN6217 | 2 | — |
| 2025 Freightliner M2 | Truck · Class 7 | 3ALACXFC4SDVN6218 | 2 | 1 |
| 2025 Freightliner M2 | Truck · Class 8 | 3ALHCYFE6SDVN6176 | 2 | — |
| 2025 Freightliner M2 | Truck · Class 8 | 3ALHCYFE8SDVN6177 | 2 | — |
| Alloy Cust | Semi-trailer | 1A9PD3202D503025 | 1 | — |
| Cry | Semi-trailer | 1C9J15516WJ452001 | 1 | — |
| 2001 Cryogenic Vessel Alternatives (cva) Cryogenic Vessel Alternatives (CVA) Trailer | Tank · 43 ft | 1C9SC43221L810003 | 1 | — |
| 2007 Cryogenic Vessel Alternatives (cva) Cryogenic Vessel Alternatives (CVA) Trailer | Tank · 44 ft | 1C9SC44287M810542 | 1 | — |
| Ev | Semi-trailer | 1EV1NST23ELL61311 | 1 | — |
| Unpublishe | Semi-trailer | 1R9D31833MD039057 | 1 | — |
| 2024 Texas Trailer Corporation | Tank · 43 ft | 1T9BT4325RG294210 | 1 | — |
| 2004 Utility Trailer Manufacturer | Dry Van · 45 ft | 1UYVS24524P244202 | 1 | — |
| Utility Tr | Semi-trailer | 1UYVS24582C341701 | 1 | — |
| 2003 Utility Trailer Manufacturer | Dry Van · 45 ft | 1UYVS245X3P932401 | 1 | — |
| 2024 Kenworth T680 | Tractor · Class 8 | 1XKYDP9X2RJ360656 | 1 | — |
| 2018 Kenworth T880 | Tractor · Class 8 | 1XKZD49X4JJ223368 | 1 | — |
| 2018 Kenworth T880 | Tractor · Class 8 | 1XKZD49X6JJ223369 | 1 | — |
| 2020 Kenworth T880 | Tractor · Class 8 | 1XKZD49X8LJ376399 | 1 | — |
| 2020 Peterbilt 579 | Tractor · Class 8 | 1XPBDP9X4LD662908 | 1 | — |
| 2018 Peterbilt 579 | Tractor · Class 8 | 1XPBDP9X9JD480117 | 1 | — |
| 2025 Peterbilt 567 | Tractor · Class 8 | 1XPCDP9X0SD760093 | 1 | 1 |
| 2024 Peterbilt 567 | Tractor · Class 8 | 1XPCDP9X2RD604261 | 1 | — |
| 2026 Peterbilt 567 | Not Applicable · Class 8 | 1XPCDP9X2TD802569 | 1 | — |
| 2025 Peterbilt 567 | Tractor · Class 8 | 1XPCDP9X9SD760092 | 1 | — |
| 2025 Freightliner M2 | Truck · Class 7 | 3ALACXFC0SDVN6216 | 1 | — |
| 2025 Freightliner M2 | Not Applicable · Class 7 | 3ALACXFC6SDVN6219 | 1 | 1 |
| 2022 Freightliner M2 | Truck · Class 7 | 3ALACXFE5NDNL2483 | 1 | — |
| 2025 Freightliner M2 | Truck · Class 8 | 3ALHCYFE0SDVN6173 | 1 | — |
| 2025 Freightliner M2 | Not Applicable · Class 8 | 3ALHCYFE4SDVN6175 | 1 | — |
| 2020 Freightliner M2 | Truck · Class 8 | 3ALHCYFE8LDLY4735 | 1 | — |
| 2022 Freightliner M2 | Truck · Class 8 | 3ALHCYFE8NDNH4842 | 1 | — |
| Freightlin | Straight Truck | 3ALHCYFE8NDNNH483 | 1 | 1 |
| 2025 Freightliner M2 | Truck · Class 8 | 3ALHCYFEXSDVN6178 | 1 | — |
| 1987 International MF035 | Truck · Class 8 | 3HAMSTAR8HL573667 | 1 | — |
| 2020 International LT625 | Tractor · Class 8 | 3HCDZAPR0LL840226 | 1 | — |
A vehicle appearing here was recorded in an inspection — it is not proof the carrier still operates it today.
Inspection Details
Each roadside inspection with its violations
Inspection Records (72)
| Date | Report # | Location | Level | Viol | OOS | Shipper | Unit Type | Make | VIN | License |
|---|---|---|---|---|---|---|---|---|---|---|
| September 30, 2026 | 25GE001361 | MONA UT | I | — | — | ROCKY MOUNTAIN AIR SOLUTIONS | Straight Truck |
FREIGHTLIN |
3ALHCYFE2SDVN6174 |
OH PBX0001 |
| September 17, 2026 | PRKH000325 | WY, WY | I | 1 | 1 | ROCKY MOUNTAIN AIR SOLUTIONS | Straight Truck |
FREIGHTLINER |
3ALACXFC6SDVN6219 |
OH PXB3252 |
| 393.100C-C | OOSCargo - Cargo not secured against shifting | General Securement | ||||||||
| September 14, 2026 | 0799293857 | BRUSH CO | II | — | — | — | Straight Truck |
FREIGHTLINER |
3ALHCYFE4SDVN6175 |
OH PXB0002 |
| September 3, 2026 | 25AQ001761 | PERRY UT | I | — | — | ROCKY MOUNTAIN AIR SOLUTIONS | Straight Truck |
FREIGHTLINER |
3ALACXFC2SDVN6220 |
OH PXB3254 |
| August 19, 2026 | PRKH000289 | WY, WY | I | — | — | AIR SOLUTIONS | Straight Truck |
FREIGHTLINER |
3ALACXFC2SDVN6217 |
OH PXB3468 |
| August 18, 2026 | 1702111075 | FORT COLLINS CO | II | — | — | LINDE | Truck Tractor Semi-trailer |
PETERBILT ALLOY CUSTOM PRODUCTS |
1XPCDP9X2TD802569 1A9PA43221D503009 |
TX R837024 ID TT7061 |
| July 23, 2026 | 0914520021 | LOMA CO | III | — | — | ROCKY MOUNTAIN AIR SOLUTIONS | Straight Truck |
FREIGHTLINER |
3ALHCYFE8NDNH4839 |
OH PWT2709 |
| July 14, 2026 | 0942580090 | MONUMENT CO | III | — | — | — | Straight Truck |
FREIGHTLINER |
3ALACXFE5NDNL2483 |
OH PWS8957 |
| July 13, 2026 | 25SB002059 | HELPER UT | I | 1 | — | ROCKY MOUNTAIN AIR | Straight Truck |
FREIGHTLINER |
3ALHCYFE8NDNH4839 |
OH PWT2709 |
| 393.201B-FR | Frame - Cab or body mounts loose/broken/missing | Cab Body Frame | ||||||||
| July 13, 2026 | 1214990075 | MONUMENT CO | III | — | — | — | Straight Truck |
FREIGHTLINER |
3ALHCYFEXSDVN6178 |
OH PXB1481 |
Shippers Seen at Inspections
Shipper names recorded by roadside inspectors over roughly the last three years. Only inspected loads appear, so this is a sample of who the carrier hauls for, not a complete customer list. Names are as entered at the roadside; blanks and placeholders such as “N/A” or “same as carrier” are left out.
| Shipper | Inspections | Most recent |
|---|---|---|
| LINDE | 2 | August 18, 2026 |
| AIR PRODUCTS | 2 | February 23, 2025 |
| AIR SOLUTIONS | 1 | August 19, 2026 |
| ROCKU MOUNTAIN AIR SOLUTIONS | 1 | June 3, 2026 |
| ROCKY MPINTAIN AIR SOLUTIONS | 1 | March 1, 2026 |
| ROCKY MTN AIR SOLITIONS | 1 | December 29, 2025 |
| ROCKY MOUNTAIN AIR SOULTUIONS | 1 | September 24, 2025 |
| LIQUID OXYGEN USP | 1 | July 10, 2025 |
| OWN PRODUCT | 1 | January 15, 2025 |
| ROCKY MTN AIR | 1 | August 12, 2024 |
| CASPER | 1 | February 14, 2024 |
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Data sourced from FMCSA MCMIS via Socrata. Record last updated: November 1, 2026.
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