Largest trucking companies in Wyoming
12 for-hire carriers headquartered in Wyoming with 50+ power units, ranked by fleet size, with 24-month safety data (out of 24 active WY carriers of that size).
12
Carriers listed
1,687
Power units
1,902
Drivers
23.4%
Vehicle OOS rate
9.5%
Driver OOS rate
2.0
Crashes / 100 units
Wyoming carriers in this group have a vehicle out-of-service rate of 24.2% versus 17.8% nationally, and 2.0 crashes per 100 power units versus 3.5 nationally. The largest, Admiral Transport Corporation, runs 519 power units.
Cities
Fleet sizes
50–99 units: 7100–249 units: 3250–499 units: 1500–999 units: 11,000+ units: 0
Cargo types
| Cargo type | Carriers | Share |
|---|---|---|
| Liquids / gases | 10 | |
| General freight | 9 | |
| Chemicals | 8 | |
| Building materials | 7 | |
| Construction | 7 | |
| Logs, poles, beams, lumber | 6 | |
| Oilfield equipment | 6 | |
| Machinery, large objects | 5 | |
| Commodities dry bulk | 5 | |
| Metal: sheets, coils, rolls | 3 | |
| Motor vehicles | 3 | |
| Intermodal containers | 3 |
Lowest out-of-service rates in Wyoming
Carriers with 20+ vehicle and 20+ driver inspections; sorted by combined vehicle + driver OOS rate.
| Carrier | City | Power units | Drivers | Inspections (24 mo) | Vehicle OOS | Crashes (24 mo) |
|---|---|---|---|---|---|---|
| Admiral Transport Corporation USDOT 155142 | Worland | 519 | 849 | 144 | 8.5% | 5 |
| Homax Oil Sales Inc USDOT 175899 | Casper | 97 | 64 | 54 | 13.3% | 2 |
| Dixon Brosinc USDOT 122815 | Newcastle | 100 | 87 | 136 | 18.0% | 5 |
| Ryan Bros Trucking Inc USDOT 101191 | Thermopolis | 75 | 44 | 43 | 20.8% | 3 |
| Redi Services LLC USDOT 1415274 | Lyman | 285 | 375 | 38 | 21.7% | 3 |
| Desert Mountain Corporation USDOT 472709 | Riverton | 73 | 50 | 81 | 23.4% | 0 |
| John Bunning Transfer Company Inc USDOT 100378 | Rock Springs | 82 | 36 | 25 | 27.3% | 2 |
| Mountain Line Inc USDOT 3558740 | Rock Springs | 90 | 80 | 167 | 23.5% | 4 |
| Prairie Field Services LLC USDOT 2170456 | Casper | 113 | 117 | 88 | 47.0% | 4 |
| GFT Express LLC USDOT 4225562 | Rock Springs | 73 | 73 | 388 | 25.7% | 5 |
All Wyoming carriers by fleet size
| Carrier | City | Power units | Drivers | Inspections (24 mo) | Vehicle OOS | Crashes (24 mo) |
|---|---|---|---|---|---|---|
| Admiral Transport Corporation USDOT 155142 | Worland | 519 | 849 | 144 | 8.5% | 5 |
| Redi Services LLC USDOT 1415274 | Lyman | 285 | 375 | 38 | 21.7% | 3 |
| Prairie Field Services LLC USDOT 2170456 | Casper | 113 | 117 | 88 | 47.0% | 4 |
| Simon Contractors USDOT 104367 | Cheyenne | 106 | 81 | 22 | 26.7% | 1 |
| Dixon Brosinc USDOT 122815 | Newcastle | 100 | 87 | 136 | 18.0% | 5 |
| Homax Oil Sales Inc USDOT 175899 | Casper | 97 | 64 | 54 | 13.3% | 2 |
| Mountain Line Inc USDOT 3558740 | Rock Springs | 90 | 80 | 167 | 23.5% | 4 |
| John Bunning Transfer Company Inc USDOT 100378 | Rock Springs | 82 | 36 | 25 | 27.3% | 2 |
| Ryan Bros Trucking Inc USDOT 101191 | Thermopolis | 75 | 44 | 43 | 20.8% | 3 |
| Blakeman Propane Inc USDOT 345250 | Moorcroft | 74 | 46 | 12 | 9.1% | 0 |
| GFT Express LLC USDOT 4225562 | Rock Springs | 73 | 73 | 388 | 25.7% | 5 |
| Desert Mountain Corporation USDOT 472709 | Riverton | 73 | 50 | 81 | 23.4% | 0 |
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