How fleet size and driver counts changed among Wyoming trucking companies between November 2024 and October 2026, based on what each company reports to FMCSA. Updated weekly.
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426 active Wyoming carriers that reported at least 5 power units in both November 2024 and October 2026 grew from 6,502 to 7,291 power units (+12.1%). That ranks Wyoming 7 of 50 states by percent change in reported fleet size.
Over the same period their combined reported driver count rose from 4,950 to 5,995 (+21.1%), compared with +5% nationally.
ADMIRAL TRANSPORT CORPORATION added the most power units, from 55 to 519.
Wyoming accounts for 0.4% of the net power units added by comparable carriers nationwide.
The average fleet among these carriers is 17.1 power units, against 36.4 nationally.
65 carriers with at least 5 power units appear in the October 2026 data that were not in the November 2024 data, and 68 carriers from November 2024 no longer appear. These are not counted in the totals above.
| # | Company | USDOT # | HQ | Power units | Added | Growth | Drivers | Added | Growth |
|---|---|---|---|---|---|---|---|---|---|
| 1 | ADMIRAL TRANSPORT CORPORATION | 155142 | Worland, WY | 55 → 519 | +464 | +844% | 50 → 849 | +799 | +1,598% |
| 2 | RMS INSTRUMENT AND ELECTRIC | 2092064 | Gillette, WY | 25 → 127 | +102 | +408% | 25 → 94 | +69 | +276% |
| 3 | MOUNTAIN LINE INC | 3558740 | Rock Springs, WY | 16 → 90 | +74 | +462% | 17 → 80 | +63 | +371% |
| 4 | HALL TRUCKING INC | 1557547 | Evansville, WY | 85 → 155 | +70 | +82% | 47 → 38 | -9 | -19% |
| 5 | PRAIRIE FIELD SERVICES LLC | 2170456 | Casper, WY | 65 → 113 | +48 | +74% | 54 → 117 | +63 | +117% |
| 6 | GREENE'S ENERGY SERVICES INC | 911472 | Rock Springs, WY | 19 → 58 | +39 | +205% | 11 → 11 | 0 | 0% |
| 7 | ACTION CARGO CORPORATION | 1294615 | Casper, WY | 25 → 50 | +25 | +100% | 45 → 107 | +62 | +138% |
| 8 | BLAKEMAN PROPANE INC | 345250 | Moorcroft, WY | 51 → 74 | +23 | +45% | 46 → 46 | 0 | 0% |
| 9 | GSS | 2347147 | Evansville, WY | 35 → 58 | +23 | +66% | 47 → 75 | +28 | +60% |
| 10 | MAVERICK OILFIELD SERVICES LLC | 3798212 | Douglas, WY | 17 → 40 | +23 | +135% | 17 → 25 | +8 | +47% |
| # | Company | USDOT # | HQ | Power units | Added | Growth | Drivers | Added | Growth |
|---|---|---|---|---|---|---|---|---|---|
| 1 | ADMIRAL TRANSPORT CORPORATION | 155142 | Worland, WY | 55 → 519 | +464 | +844% | 50 → 849 | +799 | +1,598% |
| 2 | RMS INSTRUMENT AND ELECTRIC | 2092064 | Gillette, WY | 25 → 127 | +102 | +408% | 25 → 94 | +69 | +276% |
| 3 | PRAIRIE FIELD SERVICES LLC | 2170456 | Casper, WY | 65 → 113 | +48 | +74% | 54 → 117 | +63 | +117% |
| 4 | MOUNTAIN LINE INC | 3558740 | Rock Springs, WY | 16 → 90 | +74 | +462% | 17 → 80 | +63 | +371% |
| 5 | ACTION CARGO CORPORATION | 1294615 | Casper, WY | 25 → 50 | +25 | +100% | 45 → 107 | +62 | +138% |
| 6 | TCRI ENERGY SERVICES INC | 692712 | Gillette, WY | 50 → 57 | +7 | +14% | 52 → 89 | +37 | +71% |
| 7 | READY OILFIELD SERVICE INC | 1461167 | Rock Springs, WY | 41 → 29 | -12 | -29% | 4 → 41 | +37 | +925% |
| 8 | GSS | 2347147 | Evansville, WY | 35 → 58 | +23 | +66% | 47 → 75 | +28 | +60% |
| 9 | D R M INC | 316634 | Gillette, WY | 52 → 52 | 0 | 0% | 22 → 43 | +21 | +95% |
| 10 | CYCLONE | 307502 | Gillette, WY | 22 → 22 | 0 | 0% | 16 → 28 | +12 | +75% |
| # | Company | USDOT # | HQ | Power units | Added | Growth | Drivers | Added | Growth |
|---|---|---|---|---|---|---|---|---|---|
| 1 | STEVE SHARP TRANSPORTATION INC | 1019016 | Cokeville, WY | 43 → 14 | -29 | -67% | 20 → 5 | -15 | -75% |
| 2 | SOS WELL SERVICES LLC | 884577 | La Barge, WY | 31 → 9 | -22 | -71% | 14 → 9 | -5 | -36% |
| 3 | KISSACK WATER & OIL SERVICE INC | 110232 | Rozet, WY | 38 → 22 | -16 | -42% | 30 → 13 | -17 | -57% |
| 4 | PAINTBRUSH SERVICES | 510196 | Gillette, WY | 33 → 17 | -16 | -48% | 27 → 16 | -11 | -41% |
| 5 | SMITH OILFIELD SERVICE INC | 833402 | Thermopolis, WY | 30 → 14 | -16 | -53% | 12 → 20 | +8 | +67% |
| 6 | BUTLER FIELD SERVICES LLC | 3969176 | Gillette, WY | 27 → 11 | -16 | -59% | 10 → 3 | -7 | -70% |
| 7 | RYAN BROS TRUCKING INC | 101191 | Thermopolis, WY | 69 → 54 | -15 | -22% | 48 → 39 | -9 | -19% |
| 8 | R&R SERVICES INC | 2131618 | Boulder, WY | 85 → 71 | -14 | -16% | 85 → 48 | -37 | -44% |
| 9 | READY OILFIELD SERVICE INC | 1461167 | Rock Springs, WY | 41 → 29 | -12 | -29% | 4 → 41 | +37 | +925% |
| 10 | RIDGELINE EXCAVATION INC | 1952578 | Jackson, WY | 19 → 7 | -12 | -63% | 11 → 11 | 0 | 0% |
Carriers shown are active for-hire carriers with their registered address in Wyoming, at least 5 power units in both months, and no passenger carriers. Counts come from each company's FMCSA (MCS-150) filings, so they are only as current as its last filing, and a large change can be a correction or a merger rather than growth. They do not show hiring or layoffs. See the methodology. More views: fastest by percent growth, fastest driver growth, and the national ranking.
