| John Bunning Transfer Company Inc | Rock Springs, Wyoming 82901 | USDOT number: 100378 Power units: 82 FMCSA safety rating: Satisfactory Out-of-service share (24 months): Over 20% out of service Reportable crashes (24 months): 2 | 25–99 power units | Satisfactory | Rating over 10 years old |
| R&R Services Inc | Boulder, Wyoming 82923 | USDOT number: 2131618 Power units: 71 FMCSA safety rating: Conditional Out-of-service share (24 months): None out of service Reportable crashes (24 months): 0 | 25–99 power units | Conditional | Rating over 10 years old |
| Freedom Oilfield Services Inc | Reliance, Wyoming 82943 | USDOT number: 1011033 Power units: 62 FMCSA safety rating: Satisfactory Out-of-service share (24 months): Over 20% out of service Reportable crashes (24 months): 0 | 25–99 power units | Satisfactory | Rating over 10 years old |
| Igo Oil Field Service Inc | Douglas, Wyoming 82633 | USDOT number: 363135 Power units: 60 FMCSA safety rating: Conditional Out-of-service share (24 months): Over 20% out of service Reportable crashes (24 months): 5 | 25–99 power units | Conditional | Rating over 10 years old |
| Global Specialized Services LLC | Evansville, Wyoming 82636 | USDOT number: 2347147 Power units: 58 FMCSA safety rating: Not rated Out-of-service share (24 months): Under 10% out of service Reportable crashes (24 months): 2 | 25–99 power units | Not rated | Not rated |
| Greene's Energy Services Inc | Rock Springs, Wyoming 82901 | USDOT number: 911472 Power units: 58 FMCSA safety rating: Satisfactory Out-of-service share (24 months): Over 20% out of service Reportable crashes (24 months): 0 | 25–99 power units | Satisfactory | Rating over 10 years old |
| Ryan Bros Trucking Inc | Thermopolis, Wyoming 82443 | USDOT number: 101191 Power units: 54 FMCSA safety rating: Satisfactory Out-of-service share (24 months): 10% to 20% out of service Reportable crashes (24 months): 2 | 25–99 power units | Satisfactory | Rating 5–10 years old |
| G Bar S Heavy Haul LLC | Cheyenne, Wyoming 82009 | USDOT number: 1484076 Power units: 47 FMCSA safety rating: Not rated Out-of-service share (24 months): 10% to 20% out of service Reportable crashes (24 months): 1 | 25–99 power units | Not rated | Not rated |
| Broken Link Energy LLC | Gillette, Wyoming 82716 | USDOT number: 2514601 Power units: 40 FMCSA safety rating: Conditional Out-of-service share (24 months): Over 20% out of service Reportable crashes (24 months): 0 | 25–99 power units | Conditional | Rating 5–10 years old |
| Redi Industrial Services LLC | Lyman, Wyoming 82937 | USDOT number: 4353757 Power units: 40 FMCSA safety rating: Not rated Out-of-service share (24 months): Over 20% out of service Reportable crashes (24 months): 0 | 25–99 power units | Not rated | Not rated |
| Bartlett Oilfield Service Inc | Bairoil, Wyoming 82322 | USDOT number: 738001 Power units: 39 FMCSA safety rating: Not rated Out-of-service share (24 months): Over 20% out of service Reportable crashes (24 months): 0 | 25–99 power units | Not rated | Not rated |
| Hurricane Services 21 LLC | Newcastle, Wyoming 82701 | USDOT number: 3008653 Power units: 39 FMCSA safety rating: Not rated Out-of-service share (24 months): Over 20% out of service Reportable crashes (24 months): 0 | 25–99 power units | Not rated | Not rated |
| Cowboy State Trucking Inc | Kemmerer, Wyoming 83101 | USDOT number: 3099409 Power units: 37 FMCSA safety rating: Not rated Out-of-service share (24 months): Over 20% out of service Reportable crashes (24 months): 1 | 25–99 power units | Not rated | Not rated |
| Legend Services Inc | Rock Springs, Wyoming 82901 | USDOT number: 1261263 Power units: 37 FMCSA safety rating: Satisfactory Out-of-service share (24 months): Over 20% out of service Reportable crashes (24 months): 1 | 25–99 power units | Satisfactory | Rating over 10 years old |
| Avail Valley Construction-Wy LLC | Afton, Wyoming 83110 | USDOT number: 3409854 Power units: 34 FMCSA safety rating: Not rated Out-of-service share (24 months): Over 20% out of service Reportable crashes (24 months): 0 | 25–99 power units | Not rated | Not rated |
| BT Incorporated | Riverton, Wyoming 82501 | USDOT number: 256261 Power units: 34 FMCSA safety rating: Satisfactory Out-of-service share (24 months): Over 20% out of service Reportable crashes (24 months): 2 | 25–99 power units | Satisfactory | Rating over 10 years old |
| Fremont Beverages Inc | Worland, Wyoming 82401 | USDOT number: 122836 Power units: 33 FMCSA safety rating: Satisfactory Out-of-service share (24 months): 10% to 20% out of service Reportable crashes (24 months): 0 | 25–99 power units | Satisfactory | Rating over 10 years old |
| Haystacks Inc | Wamsutter, Wyoming 82336 | USDOT number: 1291812 Power units: 33 FMCSA safety rating: Satisfactory Out-of-service share (24 months): Over 20% out of service Reportable crashes (24 months): 0 | 25–99 power units | Satisfactory | Rating over 10 years old |
| Mountain Construction Company | Lovell, Wyoming 82431 | USDOT number: 875605 Power units: 33 FMCSA safety rating: Conditional Out-of-service share (24 months): None out of service Reportable crashes (24 months): 0 | 25–99 power units | Conditional | Rated within the last 5 years |
| Dooley Oil Incorporated | Laramie, Wyoming 82070 | USDOT number: 723930 Power units: 31 FMCSA safety rating: Not rated Out-of-service share (24 months): 10% to 20% out of service Reportable crashes (24 months): 0 | 25–99 power units | Not rated | Not rated |
| Dooley Oil Transport Inc | Laramie, Wyoming 82070 | USDOT number: 307660 Power units: 30 FMCSA safety rating: Satisfactory Out-of-service share (24 months): 10% to 20% out of service Reportable crashes (24 months): 0 | 25–99 power units | Satisfactory | Rated within the last 5 years |
| PC Transport Inc | Casper, Wyoming 82601 | USDOT number: 191414 Power units: 30 FMCSA safety rating: Satisfactory Out-of-service share (24 months): Over 20% out of service Reportable crashes (24 months): 2 | 25–99 power units | Satisfactory | Rating over 10 years old |
| Bidell Gas Compression Inc | Gillette, Wyoming 82716 | USDOT number: 9625208 Power units: 29 FMCSA safety rating: Not rated Out-of-service share (24 months): No inspections in 24 months Reportable crashes (24 months): 0 | 25–99 power units | Not rated | Not rated |
| Evans Construction Company | Jackson, Wyoming 83001 | USDOT number: 320781 Power units: 29 FMCSA safety rating: Satisfactory Out-of-service share (24 months): Over 20% out of service Reportable crashes (24 months): 0 | 25–99 power units | Satisfactory | Rating over 10 years old |
| Ready Oilfield Service Inc | Rock Springs, Wyoming 82901 | USDOT number: 1461167 Power units: 29 FMCSA safety rating: Not rated Out-of-service share (24 months): Over 20% out of service Reportable crashes (24 months): 0 | 25–99 power units | Not rated | Not rated |
| Earth Work Solutions | Gillette, Wyoming 82716 | USDOT number: 203107 Power units: 26 FMCSA safety rating: Satisfactory Out-of-service share (24 months): Over 20% out of service Reportable crashes (24 months): 0 | 25–99 power units | Satisfactory | Rating over 10 years old |
| Pine Bluffs Gravel & Excavating Inc | Pine Bluffs, Wyoming 82082 | USDOT number: 453030 Power units: 26 FMCSA safety rating: Not rated Out-of-service share (24 months): Over 20% out of service Reportable crashes (24 months): 1 | 25–99 power units | Not rated | Not rated |
| Brian Locke Trucking Inc | Rawlins, Wyoming 82301 | USDOT number: 1792997 Power units: 25 FMCSA safety rating: Not rated Out-of-service share (24 months): Over 20% out of service Reportable crashes (24 months): 0 | 25–99 power units | Not rated | Not rated |
| S & L Industrial | Cowley, Wyoming 82420 | USDOT number: 481472 Power units: 25 FMCSA safety rating: Satisfactory Out-of-service share (24 months): Over 20% out of service Reportable crashes (24 months): 1 | 25–99 power units | Satisfactory | Rating over 10 years old |
| Magnum Cementing Services LLC | Cheyenne, Wyoming 82007 | USDOT number: 3238224 Power units: 24 FMCSA safety rating: Not rated Out-of-service share (24 months): 10% to 20% out of service Reportable crashes (24 months): 1 | 10–24 power units | Not rated | Not rated |
| Melco Tank Cleaning LLC | Casper, Wyoming 82604 | USDOT number: 4570241 Power units: 23 FMCSA safety rating: Not rated Out-of-service share (24 months): No inspections in 24 months Reportable crashes (24 months): 0 | 10–24 power units | Not rated | Not rated |
| Wind River Oilfield Service Inc | Riverton, Wyoming 82501 | USDOT number: 973295 Power units: 23 FMCSA safety rating: Not rated Out-of-service share (24 months): Over 20% out of service Reportable crashes (24 months): 1 | 10–24 power units | Not rated | Not rated |
| I-80 Towing Of Wyoming L.L.C | Laramie, Wyoming 82070 | USDOT number: 6240865 Power units: 22 FMCSA safety rating: Not rated Out-of-service share (24 months): No inspections in 24 months Reportable crashes (24 months): 0 | 10–24 power units | Not rated | Not rated |
| Johnsons' Oil And Water Service LLC | Powell, Wyoming 82435 | USDOT number: 678898 Power units: 22 FMCSA safety rating: Satisfactory Out-of-service share (24 months): Over 20% out of service Reportable crashes (24 months): 0 | 10–24 power units | Satisfactory | Rating over 10 years old |
| Power Drive Supply LLC | Gillette, Wyoming 82716 | USDOT number: 2323011 Power units: 22 FMCSA safety rating: Satisfactory Out-of-service share (24 months): Over 20% out of service Reportable crashes (24 months): 0 | 10–24 power units | Satisfactory | Rated within the last 5 years |
| Todd Childers | Casper, Wyoming 82604 | USDOT number: 306708 Power units: 22 FMCSA safety rating: Satisfactory Out-of-service share (24 months): Over 20% out of service Reportable crashes (24 months): 0 | 10–24 power units | Satisfactory | Rating 5–10 years old |
| Baysinger Trucking Inc | Gillette, Wyoming 82718 | USDOT number: 282888 Power units: 21 FMCSA safety rating: Satisfactory Out-of-service share (24 months): None out of service Reportable crashes (24 months): 0 | 10–24 power units | Satisfactory | Rating over 10 years old |
| USA Trucking Limited Liability Company | Casper, Wyoming 82604 | USDOT number: 322859 Power units: 20 FMCSA safety rating: Satisfactory Out-of-service share (24 months): Over 20% out of service Reportable crashes (24 months): 2 | 10–24 power units | Satisfactory | Rating over 10 years old |
| White Mountain Operating LLC | Pinedale, Wyoming 82941 | USDOT number: 1954923 Power units: 20 FMCSA safety rating: Satisfactory Out-of-service share (24 months): 10% to 20% out of service Reportable crashes (24 months): 0 | 10–24 power units | Satisfactory | Rating 5–10 years old |
| High Desert Trucking Inc | Rock Springs, Wyoming 82901 | USDOT number: 1296898 Power units: 17 FMCSA safety rating: Satisfactory Out-of-service share (24 months): No inspections in 24 months Reportable crashes (24 months): 0 | 10–24 power units | Satisfactory | Rating over 10 years old |
| Mountain States Water Service Inc | Big Piney, Wyoming 83113 | USDOT number: 281303 Power units: 17 FMCSA safety rating: Satisfactory Out-of-service share (24 months): 10% to 20% out of service Reportable crashes (24 months): 0 | 10–24 power units | Satisfactory | Rating over 10 years old |
| Mountain States Water Service, Inc | Big Piney, Wyoming 83113 | USDOT number: 9530355 Power units: 17 FMCSA safety rating: Not rated Out-of-service share (24 months): No inspections in 24 months Reportable crashes (24 months): 0 | 10–24 power units | Not rated | Not rated |
| Yellow Iron Excavating LLC | Wilson, Wyoming 83014 | USDOT number: 815229 Power units: 16 FMCSA safety rating: Not rated Out-of-service share (24 months): Over 20% out of service Reportable crashes (24 months): 0 | 10–24 power units | Not rated | Not rated |
| U-Know Service LLC | Casper, Wyoming 82604 | USDOT number: 174559 Power units: 15 FMCSA safety rating: Satisfactory Out-of-service share (24 months): Over 20% out of service Reportable crashes (24 months): 1 | 10–24 power units | Satisfactory | Rating over 10 years old |
| Wyodak Energy Services LLC | Buffalo, Wyoming 82834 | USDOT number: 2630874 Power units: 15 FMCSA safety rating: Not rated Out-of-service share (24 months): Over 20% out of service Reportable crashes (24 months): 0 | 10–24 power units | Not rated | Not rated |
| Zoco Unlimited Inc | Baggs, Wyoming 82321 | USDOT number: 1286267 Power units: 15 FMCSA safety rating: Not rated Out-of-service share (24 months): Over 20% out of service Reportable crashes (24 months): 0 | 10–24 power units | Not rated | Not rated |
| Akal Energy LLC | Laramie, Wyoming 82070 | USDOT number: 1970617 Power units: 14 FMCSA safety rating: Not rated Out-of-service share (24 months): Over 20% out of service Reportable crashes (24 months): 0 | 10–24 power units | Not rated | Not rated |
| Smith Oilfield Service Inc | Thermopolis, Wyoming 82443 | USDOT number: 833402 Power units: 14 FMCSA safety rating: Conditional Out-of-service share (24 months): None out of service Reportable crashes (24 months): 0 | 10–24 power units | Conditional | Rating over 10 years old |
| Tricon-US LLC | Lyman, Wyoming 82937 | USDOT number: 4353744 Power units: 14 FMCSA safety rating: Not rated Out-of-service share (24 months): No inspections in 24 months Reportable crashes (24 months): 0 | 10–24 power units | Not rated | Not rated |
| Central Wyoming Transportation | Riverton, Wyoming 82501 | USDOT number: 467102 Power units: 13 FMCSA safety rating: Satisfactory Out-of-service share (24 months): None out of service Reportable crashes (24 months): 0 | 10–24 power units | Satisfactory | Rating over 10 years old |
| Double Diamond Hci LLC | Cheyenne, Wyoming 82007 | USDOT number: 4389404 Power units: 13 FMCSA safety rating: Not rated Out-of-service share (24 months): Over 20% out of service Reportable crashes (24 months): 0 | 10–24 power units | Not rated | Not rated |
| Richard S Logan Trucking Inc | Mills, Wyoming 82644 | USDOT number: 855631 Power units: 12 FMCSA safety rating: Not rated Out-of-service share (24 months): Over 20% out of service Reportable crashes (24 months): 1 | 10–24 power units | Not rated | Not rated |
| Sutherland Trucking | Cheyenne, Wyoming 82009 | USDOT number: 583361 Power units: 12 FMCSA safety rating: Satisfactory Out-of-service share (24 months): None out of service Reportable crashes (24 months): 2 | 10–24 power units | Satisfactory | Rating over 10 years old |
| Titan Casing LLC | Cody, Wyoming 82414 | USDOT number: 2583412 Power units: 12 FMCSA safety rating: Not rated Out-of-service share (24 months): No inspections in 24 months Reportable crashes (24 months): 0 | 10–24 power units | Not rated | Not rated |
| Trans Aero LLC | Cheyenne, Wyoming 82001 | USDOT number: 1215146 Power units: 12 FMCSA safety rating: Satisfactory Out-of-service share (24 months): 10% to 20% out of service Reportable crashes (24 months): 0 | 10–24 power units | Satisfactory | Rating over 10 years old |
| Wayne Coleman Construction Inc | Casper, Wyoming 82601 | USDOT number: 726388 Power units: 12 FMCSA safety rating: Satisfactory Out-of-service share (24 months): No inspections in 24 months Reportable crashes (24 months): 0 | 10–24 power units | Satisfactory | Rating 5–10 years old |
| Baggs Testing & Rental Inc | Baggs, Wyoming 82321 | USDOT number: 1475084 Power units: 11 FMCSA safety rating: Not rated Out-of-service share (24 months): No inspections in 24 months Reportable crashes (24 months): 0 | 10–24 power units | Not rated | Not rated |
| E & F Towing Transport & Recovery Inc | Casper, Wyoming 82601 | USDOT number: 1860789 Power units: 11 FMCSA safety rating: Not rated Out-of-service share (24 months): None out of service Reportable crashes (24 months): 0 | 10–24 power units | Not rated | Not rated |
| Fluid Pro LLC | Riverton, Wyoming 82501 | USDOT number: 2398079 Power units: 11 FMCSA safety rating: Satisfactory Out-of-service share (24 months): Over 20% out of service Reportable crashes (24 months): 0 | 10–24 power units | Satisfactory | Rating 5–10 years old |
| H & N Gold Field Service Inc | Reliance, Wyoming 82943 | USDOT number: 1358930 Power units: 11 FMCSA safety rating: Satisfactory Out-of-service share (24 months): No inspections in 24 months Reportable crashes (24 months): 0 | 10–24 power units | Satisfactory | Rating over 10 years old |
| Powder River Construction Inc | Gillette, Wyoming 82718 | USDOT number: 1216033 Power units: 11 FMCSA safety rating: Satisfactory Out-of-service share (24 months): No inspections in 24 months Reportable crashes (24 months): 0 | 10–24 power units | Satisfactory | Rating over 10 years old |
| Swing Trucking Inc | Worland, Wyoming 82401 | USDOT number: 432886 Power units: 11 FMCSA safety rating: Satisfactory Out-of-service share (24 months): Over 20% out of service Reportable crashes (24 months): 0 | 10–24 power units | Satisfactory | Rating over 10 years old |
| Dads Towing And Recovery LLC | Gillette, Wyoming 82718 | USDOT number: 4020483 Power units: 10 FMCSA safety rating: Not rated Out-of-service share (24 months): None out of service Reportable crashes (24 months): 0 | 10–24 power units | Not rated | Not rated |
| Pullmax Inc | Wright, Wyoming 82732 | USDOT number: 959823 Power units: 10 FMCSA safety rating: Not rated Out-of-service share (24 months): Over 20% out of service Reportable crashes (24 months): 1 | 10–24 power units | Not rated | Not rated |
| T & A Towing And Recovery LLC | Riverton, Wyoming 82501 | USDOT number: 4243968 Power units: 10 FMCSA safety rating: Not rated Out-of-service share (24 months): 10% to 20% out of service Reportable crashes (24 months): 0 | 10–24 power units | Not rated | Not rated |
| Ted's Towing LLC | Sheridan, Wyoming 82801 | USDOT number: 496219 Power units: 10 FMCSA safety rating: Satisfactory Out-of-service share (24 months): 10% to 20% out of service Reportable crashes (24 months): 0 | 10–24 power units | Satisfactory | Rating over 10 years old |
| Western Cable LLC | Wright, Wyoming 82732 | USDOT number: 587533 Power units: 10 FMCSA safety rating: Satisfactory Out-of-service share (24 months): No inspections in 24 months Reportable crashes (24 months): 0 | 10–24 power units | Satisfactory | Rating 5–10 years old |