160 active carriers · 21 with recent roadside inspections, listed below.
| Carrier | City | Power units | Records |
|---|---|---|---|
| BIGGERS TRANSPORT CORP | BUTTE | 11 | Inspections / crashes |
| OKEEFE DRILLING COMPANY INC | BUTTE | 35 | Inspections / crashes |
| NORTHWESTERN CORPORATIONdba NORTHWESTERN ENERGY | BUTTE | 841 | Inspections / crashes |
| HARRINGTON BOTTLING COMPANY | BUTTE | 28 | Inspections / crashes |
| MCGREE CORPORATIONdba MCGREE TRUCKING | BUTTE | 27 | Inspections / crashes |
| RED MOUNTAIN TRUCK LINES INC | BUTTE | 64 | Inspections / crashes |
| TUCKER TRANSPORTATION INC | BUTTE | 15 | Inspections / crashes |
| HOLLOW CONTRACTING INC | BUTTE | 19 | Inspections / crashes |
| HUNTER BRO INCdba HUNTER BROTHER CONSTRUCTION INC | BUTTE | 10 | Inspections / crashes |
| ACME ASPHALT INDUSTRIES INC | BUTTE | 7 | Inspections / crashes |
| MATT ZBOJNIEWICZdba Z BEST EXPRESS | BUTTE | 1 | Inspections / crashes |
| WAGNER NURSERY & LANDSCAPING CO | BUTTE | 7 | Inspections / crashes |
| HOFFMAN'S R&M SERVICES INCdba RICHARD C HOFFMAN | BUTTE | 19 | Inspections / crashes |
| MILE HIGH EXCAVATING LLC | BUTTE | 6 | Inspections / crashes |
| MOUNTAIN WEST HOLDING COMPANYdba GST | BUTTE | 30 | Inspections / crashes |
| LAND RESTORATION SPECIALISTS LLC | BUTTE | 5 | Inspections / crashes |
| JEFFERY CONTRACTING LLC | BUTTE | 68 | Inspections / crashes |
| BIG SKY UTILITIES LLC | BUTTE | 5 | Inspections / crashes |
| WILLIAMS DISTRIBUTORS LLCdba WILLIAMS DISTRIBUTORS | BUTTE | 33 | Inspections / crashes |
| DONE RIGHT PAVING LLC | BUTTE | 2 | Inspections / crashes |
| HUNT ENERGY LLC | BUTTE | 8 | Inspections / crashes |