| AMCON INC | 1491283 | MC564030 | Active | Carrier |
| AMC TOWING & RECOVERY LLC | 4065354 | | Active | Carrier |
| BARRY & SON | 1340223 | | Active | Carrier |
| BLACK HILLS LIGNITE LLC | 3439667 | | Active | Carrier |
| BM TRUCKING LLC | 3144348 | MC101274 | Active | Carrier |
| BOW TIE EXPRESS INC | 931365 | MC402176 | Inactive | Carrier |
| BPMO LLC | 4391015 | MC1722529 | Active | Carrier |
| BROADSWORD GROUP LLC | 2443213 | | Inactive | Carrier |
| BR THOMPSON & SONS INC | 1144143 | MC463091 | Inactive | Carrier |
| BTE TRUCKING INC | 1121618 | MC402176 | Inactive | Carrier |
| CORKILL DRILLING INC | 759876 | | Active | Carrier |
| CORY GRIFFITTS | 2197213 | | Active | Carrier |
| COW TOWN TRUCKING LLC | 2491459 | MC865907 | Inactive | Carrier |
| DAVID L GEHO | 790806 | MC353577 | Inactive | Carrier |
| DAVID WAY | 1848544 | MC669440 | Active | Carrier/Cargo Tank |
| DEWAYNE OLSEN | 1619573 | | Active | Carrier |
| DNL ENTERPRISES LLC | 1613458 | | Active | Carrier |
| DON B MARBURGER | 769252 | | Active | Carrier |
| DOUBLE TIME SERVICES LLC | 4188787 | MC1613944 | Inactive | Carrier |
| EAGLE NEST FENCING LLC | 3787704 | MC1358323 | Inactive | Carrier |
| ECI LLC | 3323266 | MC1626468 | Active | Carrier |
| ELKHORN EXPLORATION LLC | 3501870 | MC1164275 | Active | Carrier |
| ELKHORN EXPLORATION LLC | 3501870 | FF42269 | Active | Carrier |
| ELKHORN EXPLORATION LLC | 1460277 | | Inactive | Carrier |
| FAJR EXPRESS LLC | 3974365 | MC1486132 | Inactive | Carrier |
| FOOTHILLS UNLIMITED INC | 957765 | | Inactive | Carrier |
| FOUR K'S CRUDE HAULING LLC | 1994480 | MC710984 | Active | Carrier |
| FRANK J ROBBERSON | 1533017 | | Active | Carrier |
| FRED THATCHER | 52255 | | Inactive | Carrier |
| FRONT RANGE POWERLINE SERVICES | 3266490 | | Active | Carrier |
| G & H TRUCKING SERVICES LLC | 3708646 | MC1300651 | Inactive | Carrier |
| G & H TRUCKING SERVICES LLC | 3708646 | MC1487347 | Inactive | Carrier |
| GARY ECKHARDT | 2044650 | | Inactive | Carrier |
| GARY L HOLT | 385816 | | Inactive | Carrier |
| GARY L HOLT | 375839 | | Inactive | Carrier |
| G F JEFFRIES | 288745 | | Inactive | Carrier |
| GLENROCK COAL CO | 528466 | | Active | Shipper |
| GLENROCK COMPONENTS INC | 454796 | | Active | Shipper |
| GLENROCK LIVESTOCK EXCHANGE | 375604 | | Inactive | Carrier |
| GORILLA TRANSPORT LLC | 3348631 | MC1070147 | Active | Carrier |
| GUNS N STUFF | 2845673 | MC954031 | Inactive | Carrier |
| HOBIT EXPRESS LLC | 2725866 | MC923307 | Inactive | Carrier |
| JAMES A HISER | 314823 | | Inactive | Carrier |
| JAMES E MARQUART | 1025989 | MC433781 | Inactive | Carrier |
| JAMES WILLIAM PARKINSON AND DONNA LYNN PARKINSON | 0 | MC97445 | | |
| JERRY'S CARRIER SERVICE INC | 1815954 | MC659398 | Inactive | Carrier |
| JHT TRUCKING LLC | 2562451 | MC894254 | Inactive | Carrier |
| JIM & MARILYN NIDA | 314827 | | Inactive | Carrier |
| JOE DIRT & GRAVEL LLC | 3950253 | MC1469871 | Active | Carrier |
| JOHN JERRAD HALL | 1626395 | | Active | Carrier |
| JOHN STEVEN ANDERSON | 1594727 | | Inactive | Carrier |
| JOSEPH A PHIPPS | 1278875 | | Active | Carrier |
| JOSEPH TORRES | 2098262 | | Active | Carrier |
| JUSTIN MILLER TRUCKING LLC | 3640697 | MC1250896 | Active | Carrier |
| K & K MOTORSPORTS LLC | 2025704 | | Active | Carrier |
| KENNETH D POWELL | 1852082 | | Active | Carrier |
| KENNETH MCKIBBEN | 314829 | | Inactive | Carrier |
| KIDD'S HOT SHOT LLC | 964784 | | Inactive | Carrier |
| LADD ENTERPRISES LLC | 4029620 | MC1522034 | Inactive | Carrier |
| L&L CATTLE COMPANY LLC | 3546377 | MC1191132 | Inactive | Carrier |
| LASER CONSTRUCTION LLC | 814627 | | Active | Carrier |
| LAZY HR SHARPENING LLC | 7309673 | | Active | Carrier |
| LEGACY TRUCKING LLC | 2455553 | MC847961 | Inactive | Carrier |
| M & G OILFIELD SERVICE INC | 361125 | MC449879 | Inactive | Carrier |
| MICHAEL D CARTER | 1802728 | | Inactive | Carrier |
| MIKE CUSHMAN | 2371956 | | Active | Carrier |
| NBS ENERGY SERVICES LLC | 3979475 | | Active | Carrier |
| OUTLAW DRILLING CO | 1150776 | | Active | Carrier |
| P&R ENTERPRISES INC | 873143 | | Active | Carrier |
| PATRIOT INDUSTRIES LLC | 2497655 | | Inactive | Carrier |
| PHOENIX TRUCKING LLC | 3043865 | MC46157 | Inactive | Carrier |
| PLATTE RIVER WELDING LLC | 3199827 | | Active | Carrier |
| PRONGHORN DRILLING INC | 967854 | | Active | Carrier |
| PURE HYDRO LLC | 3622622 | MC1238032 | Inactive | Carrier |
| RANCHER ENERGY CORP | 1605056 | | Active | Carrier |
| RAVENS RIDGE HAULING LLC | 3936752 | MC1460777 | Active | Carrier |
| RC TRUCKING LLC | 2149395 | | Active | Carrier |
| REEVES TRANSPORTATION | 2981677 | MC14554 | Inactive | Carrier |
| RELIABLE TRUCKING LLC | 2514588 | | Active | Carrier |
| RELIABLE WELL SERVICE INC | 2210445 | | Active | Carrier |
| ROBERT A VOLLMAR | 2064655 | | Active | Carrier |
| ROBERT JAMES HAUCK | 187579 | | Inactive | Carrier |
| ROBERT JAMES HUFF | 608154 | MC292105 | Inactive | Carrier |
| ROCK HARD CEMENTING LLC | 3089034 | MC1100964 | Inactive | Carrier |
| SCOTT PALMER | 2537072 | | Active | Carrier |
| SHORT POWERLINE SERVICE LLC | 1057995 | | Active | Carrier |
| SINGLE WATER SERVICES LLC | 1589244 | MC588306 | Active | Carrier |
| SLONIKER TRUCKING LLC | 2541971 | MC884523 | Active | Carrier |
| STEEL CORE VENTURES LLC | 7054643 | | Active | Carrier |
| STEVE SHINE | 1710832 | MC136265 | Inactive | Carrier |
| TB LOGISTICS LLC | 3803751 | | Active | Carrier |
| TODD A ELLIOTT | 2078334 | | Active | Carrier |
| TRANSMISSION DISTRIBUTION SERVICE | 1058008 | | Inactive | Carrier |
| TWISTED MOUNTAIN TRUCKING LLC | 1457661 | MC848728 | Active | Carrier |
| VALENTINE CONSTRUCTION INC | 52134 | MC207111 | Active | Carrier |
| VICTOR N OHMAN | 2594742 | | Active | Carrier |
| WES STEWART | 1143480 | | Active | Carrier |
| WILDERNESS DRILLING COMPANY INCORPORATED | 1656386 | | Inactive | Registrant |
| WILDERNESS RIDGE DRIVELINE & FABRICATION LLC | 2285477 | | Active | Carrier |
| WILD WEST CONSTRUCTION LLC | 2294043 | MC1142009 | Active | Carrier/Shipper |