John Bunning Transfer Company Inc
USDOT 100378 · MC-25518 · Rock Springs, Wyoming · Interstate for-hire carrier · 50–99 power units
John Bunning Transfer Company Inc is a corporation based in Rock Springs, Wyoming, registered with the FMCSA as an interstate carrier (authorized for hire). It reports 82 power units and 36 drivers, which ranks it #11 by fleet size among 24 active for-hire carriers with 50+ power units headquartered in Wyoming. In the 24 months to Sep 24, 2026 its trucks were inspected 25 times – about 0.3 inspections per power unit. 27.3% of vehicle inspections and 0.0% of driver inspections ended with an out-of-service order, against 20.5% and 3.3% for carriers of the same size nationally. FMCSA records 2 reportable crashes in the last 24 months (1 injury, 0 fatalities, 2 tow-away), or 2.4 per 100 power units versus 4.8 for its size band. Crash counts in FMCSA data do not indicate fault. Its registered cargo types are general freight, logs, poles, beams, lumber, building materials, machinery, large objects, liquids / gases, oilfield equipment, chemicals, commodities dry bulk and more.
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Registration and contact
| Legal name | John Bunning Transfer Company Inc |
|---|---|
| DBA name | — |
| USDOT number | 100378 |
| Operating authority (docket) | MC-25518 |
| Entity type | Authorized for Hire |
| Operation | Interstate |
| Business type | Corporation |
| Physical address | 1600 Elk St, Rock Springs, WY 82901 |
| Phone | (307) 362-3791 |
| First registered | Jun 1, 1974 |
| Last MCS-150 update | Jun 17, 2025 |
| Hazmat carrier | Yes |
Check live authority, insurance and out-of-service status: FMCSA SAFER snapshot for USDOT 100378.
Fleet and drivers
| Equipment | Owned | Term-leased | Trip-leased |
|---|---|---|---|
| Straight trucks | 1 | 0 | 0 |
| Truck tractors | 76 | 5 | 0 |
| Trailers | 270 | 28 | 0 |
- 0.44 drivers per power unit (national median for 50+ unit fleets: 0.99).
- 3.7 trailers per tractor – a drop-and-hook style trailer pool.
- 91% of listed equipment is owned rather than leased.
- 23 CDL drivers; 36 drivers operate interstate beyond 100 miles, 0 within 100 miles.
Safety record
Roadside inspections Sep 25, 2024 – Sep 24, 2026; crashes Nov 1, 2024 – Oct 31, 2026. Benchmarks: 50–99-unit for-hire carriers nationally (5,500) and Wyoming carriers with 50+ units (24).
| Measure | John Bunning Transfer Compan | Same size, US | WY average | |
|---|---|---|---|---|
| Vehicle out-of-service rate | 27.3% | 20.5% | 24.2% | 33% higher than average |
| Driver out-of-service rate | 0.0% | 3.3% | 8.4% | none recorded |
| Crashes per 100 power units | 2.4 | 4.8 | 2.0 | 49% lower than average |
| Inspections | 25 | 25 with a driver check, 22 with a vehicle check, 36 BASIC violations recorded, 2 hazmat-related | ||
| FMCSA safety rating | Satisfactory (rated Feb 18, 2005) | |||
Cargo carried
Less common in this directory: oilfield equipment (522 of 5,000 carriers).
Similar carriers in Wyoming
Closest fleet size and cargo mix among Wyoming carriers in this directory.
| Carrier | City | Power units | Drivers | Inspections (24 mo) | Vehicle OOS | Crashes (24 mo) |
|---|---|---|---|---|---|---|
| Desert Mountain Corporation USDOT 472709 | Riverton | 73 | 50 | 81 | 23.4% | 0 |
| Dixon Brosinc USDOT 122815 | Newcastle | 100 | 87 | 136 | 18.0% | 5 |
| Ryan Bros Trucking Inc USDOT 101191 | Thermopolis | 75 | 44 | 43 | 20.8% | 3 |
| Simon Contractors USDOT 104367 | Cheyenne | 106 | 81 | 22 | 26.7% | 1 |
| Prairie Field Services LLC USDOT 2170456 | Casper | 113 | 117 | 88 | 47.0% | 4 |
| Homax Oil Sales Inc USDOT 175899 | Casper | 97 | 64 | 54 | 13.3% | 2 |
Other carriers near Rock Springs
| Carrier | City | Power units | Drivers | Inspections (24 mo) | Vehicle OOS | Crashes (24 mo) |
|---|---|---|---|---|---|---|
| Mountain Line Inc USDOT 3558740 | Rock Springs | 90 | 80 | 167 | 23.5% | 4 |
| GFT Express LLC USDOT 4225562 | Rock Springs | 73 | 73 | 388 | 25.7% | 5 |
| Redi Services LLC USDOT 1415274 | Lyman | 285 | 375 | 38 | 21.7% | 3 |
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FAQ
What is the USDOT number of John Bunning Transfer Company Inc?
John Bunning Transfer Company Inc is registered with USDOT number 100378 and operating authority MC-25518.
How many trucks does John Bunning Transfer Company Inc have?
It reports 82 power units (81 tractors, 1 straight trucks) and 298 trailers, with 36 drivers, on its last MCS-150 update (Jun 17, 2025).
Where is John Bunning Transfer Company Inc located?
Its registered physical address is in Rock Springs, Wyoming 82901.
What is the out-of-service rate of John Bunning Transfer Company Inc?
Over 24 months, 27.3% of vehicle inspections and 0.0% of driver inspections resulted in an out-of-service order (same-size national average: 20.5% vehicle, 3.3% driver).
Source: FMCSA Company Census File, SMS inspection file and Crash File (data.transportation.gov), refreshed 2026-11-04. Figures are as reported to FMCSA and may lag. How we calculate these numbers. Spotted an error? Carriers update their record with FMCSA via the MCS-150 form; see corrections.