| 1890 DIRT WORKS LLC | 4386191 | | Active | Carrier |
| 2M CONSTRUCTION INC | 1194478 | | Active | Carrier |
| 307 SHREDDING LLC | 3932648 | | Active | Carrier |
| 4-D FENCING COMPANY | 711227 | | Active | Carrier |
| 4 EVER WEST LLC | 3988800 | MC1495733 | Active | Carrier |
| A&B BADGER DAYLIGHTING | 1438433 | | Inactive | Carrier |
| AARMCO INC | 2444017 | | Active | Carrier |
| ABC SIGN INC | 4240254 | | Inactive | Carrier |
| ABTS | 3825645 | MC1385910 | Active | Carrier/Shipper |
| ACTION COOLING & HEATING INC | 1826114 | MC662549 | Inactive | Carrier |
| A D MARTIN LUMBER CO INC | 705227 | | Active | Carrier |
| ALBERT CHRISTENSEN | 804068 | | Inactive | Carrier |
| ALEX'S AUTO AND REPAIR | 2476582 | | Inactive | Carrier |
| ALPAR DOORS INC | 1651176 | | Active | Carrier |
| ALVIN F WARD CONSTRUCTION CO | 2149481 | | Active | Carrier |
| ANDERSON FARMS | 1400812 | | Active | Carrier |
| ANDERSON LAND AND LIVESTOCK LLC | 2418896 | | Inactive | Carrier |
| A-ONE MOBILE HOME MOVERS INC | 1400243 | | Active | Carrier |
| AQUALIFIED LLC | 2554830 | | Active | Cargo Tank |
| AQUARIUS DRILLING LLC | 2124283 | | Inactive | Carrier |
| ARBOR E&T LLC DBA EQUUS | 4567565 | | Active | Carrier |
| ARC DEALERSHIP LLC | 704536 | | Inactive | Carrier |
| ARCHER CONSTRUCTION INC | 811610 | | Active | Carrier |
| ARMSTRONG CRANE SERVICE INC | 730789 | | Active | Carrier |
| A R ROGERS | 348502 | | Inactive | Carrier |
| ARROWHEAD AG TRUCKING LLC | 3226934 | MC1010960 | Active | Carrier |
| ARROWHEAD AUTO TOWING LLC | 4455750 | MC1791164 | Active | Carrier |
| AUSTIN TRUCKING LLC | 4022109 | | Active | Carrier |
| AVALANCHE PRODUCTION SERVICE | 2329732 | | Inactive | Registrant |
| BADWATER TRUCKING LLC | 1852692 | MC702106 | Inactive | Carrier |
| BAILEY ENTERPRISES INC | 1236789 | | Active | Carrier |
| BAIMBRIDGE TRANSPORT INC | 220101 | MC162722 | Inactive | Carrier |
| BAKER BOYS FARMS LLC | 3015975 | MC31713 | Inactive | Carrier |
| B&M SEPTIC AND EXCAVATION SERVICE LLC | 3613075 | | Active | Carrier |
| BARNHART DRILLING CO INC | 420917 | | Inactive | Carrier |
| BARQUIN TRUCKING LLC | 997929 | MC423605 | Active | Carrier |
| BIG WEST HOT SHOT INC | 1876191 | MC677171 | Inactive | Carrier |
| BIG WEST OILFIELD SERVICES | 0 | MC589917 | Active | |
| BIG WEST OILFIELD SERVICES INC | 1571722 | MC815914 | Inactive | Carrier |
| BILL & PEGGY SNYDER | 981559 | | Active | Carrier |
| BILL D ECKLEY | 1437093 | MC542972 | Active | Carrier |
| BILL HARDY | 974446 | | Active | Carrier |
| BILL SMITH | 377085 | | Inactive | Carrier |
| BLACK BEAR TRUCKING INC | 677714 | MC376876 | Inactive | Carrier |
| BLAKE TRUCKING LLC | 3263813 | MC1052018 | Active | Carrier |
| BLIND HORSE RANCH | 3696911 | | Inactive | Carrier |
| BLOEDORN LUMBER COMPANY - RIVERTON | 4108897 | | Active | Carrier |
| BLUE CREEK ENTERPRISES INC | 1435862 | MC542874 | Inactive | Carrier |
| BLUE SPUR TRUCKING INC | 306705 | MC217780 | Active | Carrier |
| BOBBY LANE | 1993527 | | Inactive | Carrier |
| BOB JEFFRES TRUCKING INC | 494676 | | Inactive | Carrier |
| BOB KEELE TRUCKING INC | 584423 | | Active | Carrier |
| BOYD ANDERSON | 1401601 | | Active | Carrier |
| BRADFORD W GILLEY JR | 2474039 | | Inactive | Carrier |
| BRANDON FOURNIER | 3795468 | MC1364059 | Active | Carrier |
| BRECK SKAGGS AND SHANDA SKAGGS | 52226 | | Active | Carrier |
| BROWN BACKHOE INC | 786194 | | Active | Carrier |
| BRUNTON OUTDOOR INC | 518404 | | Inactive | Shipper |
| BRYAN HOUTMAN | 1257913 | | Active | Carrier |
| BT INCORPORATED | 256261 | MC182282 | Active | Carrier |
| BURDETTE L RUSSELL | 704208 | MC326100 | Inactive | Carrier |
| BWT LLC | 252627 | MC189652 | Inactive | Carrier |
| CABIN CREEK HOMES INC | 1829960 | | Active | Carrier |
| C A FANCHER | 576648 | MC280657 | Inactive | Carrier |
| CARL'S BACKHOE AND WELL SERVICE INC | 1020125 | MC583708 | Active | Carrier |
| CARL'S BACKHOE & WELL SERVICE INC | 1003007 | | Active | Carrier |
| CARLSON EQUIPMENT CO INC | 1580137 | MC750042 | Inactive | Carrier |
| CASSITY BROTHERS INC | 3333067 | | Active | Carrier |
| CAW TRUCKING LLC | 3939256 | MC1462479 | Inactive | Carrier |
| C C & T | 306709 | | Inactive | Carrier |
| CC&T INC | 281309 | MC178151 | Inactive | Carrier |
| C D FLAGGING & CO | 375602 | | Inactive | Carrier |
| CENTRAL WYOMING TRANSPORTATION | 467102 | MC417495 | Active | Carrier/Shipper |
| CHAD GARDNER TRANSPORT LLC | 1693910 | MC89459 | Inactive | Carrier |
| CHARLES E FRYMIRE | 887225 | MC387099 | Inactive | Registrant |
| CHARLES FRYMIRE | 636081 | MC300491 | Inactive | Carrier |
| CHOPPING MOTORS LEASE INC | 52140 | | Active | Carrier |
| CHRISTOPHER HUELLE | 2574093 | | Active | Carrier |
| CHUCK MARTIN | 1420927 | MC667376 | Active | Carrier |
| CIRCLE 12 T LLC | 2285851 | | Active | Carrier |
| CLARKS MEAT HOUSE | 176425 | | Active | Carrier |
| CLAYTON REGAN SR | 484883 | MC265388 | Inactive | Carrier |
| CLIFFVIEW MOBILE HOME PARK | 1562681 | | Active | Carrier |
| CLINT F STANHOPE | 1635553 | MC603846 | Active | Carrier |
| CLOYD S ADAMS | 100283 | | Inactive | Carrier |
| COLVA HONEY WORKS | 3350201 | | Inactive | Carrier |
| COOPER WELDING INC | 1177843 | | Active | Carrier/Cargo Tank |
| CORY HENRY | 1515627 | MC575173 | Active | Carrier |
| COWBOY CATERING INC | 1135516 | | Inactive | Carrier |
| CRAIG A ROBERTS | 589736 | | Inactive | Carrier |
| CRIMM FARM LLC | 3054294 | MC51541 | Inactive | Carrier |
| CROSS COUNTRY TRANSPORTATION INC | 499339 | MC257526 | Inactive | Carrier |
| CROSSROADS TRUCKING INC | 773708 | | Inactive | Carrier |
| CROWN WELL SERVICE LLC | 2423452 | | Inactive | Carrier |
| DACE COOPER | 3509924 | MC1294277 | Active | Carrier |
| DALE HOVANDER AND SANDY HOVANDER | 610941 | MC293503 | Inactive | Carrier |
| DANIEL AND SONS INC | 0 | MC887931 | | |
| DARRELL H WINFIELD | 712873 | | Inactive | Carrier |
| DARRELL STEENBOCK | 454363 | | Inactive | Carrier |
| DARRYL L STEEDS | 1347479 | | Active | Carrier |