| 1 | WBT | Weets Bahntransport GmbH | Emden | D | privat-bahn.de |
| 2 | WBT | WHITE & BLUE TAXI OF | | | SCAC4 |
| 3 | WBTC | WILSON, BILL TRUCKING LLC | | | SCAC4 |
| 4 | WBTC | Wabtec Rail Limited | | GB | TRAFFIC |
| 5 | WBTE | WEST BROTHERS TRANSFER & STORAGE H&S DIV | | | SCAC1 |
| 6 | WBTF | WOOD BAY TURF TECHNOLOGIES | | | SCAC4 |
| 7 | WBTG | WILSON, BARRY TRUCKING | | | SCAC4 |
| 8 | WBTI | WESTBROOK TECHNOLOGIES INC | | | SCAC4 |
| 9 | WBTK | WILLIAMS BROTHERS TRUCKING LLC | | | SCAC4 |
| 10 | WBTL | WIEBE BROS TRANSPORTATION LTD | | | SCAC4 |
| 11 | WBTR | WHELAN BROTHERS TRANSPORT | | | SCAC4 |
| 12 | WBTS | Waco, Beaumont, Trinity & Sabine Ry. Co. | 1/1975-7/2005 | | NAKINA |
| 13 | WBTS | Waco, Beaumont, Trinity & Sabine Ry. Co. | 1/75-7/2000 | | NRHS |
| 14 | WBTS | WACO, BEAUMONT, TRINITY & SABINE RWY | | | PWRC |
| 15 | WBTS | Waco, Beaumont, Trinity and Sabine Railway | | | RSRV |
| 16 | WBTT | WTI TRANSPORT INC | | | SCAC4 |
| 17 | WBTU | WILBERT TRADING BV | | NL | BIC |
| 18 | WBTU | WILBERT TRADING BV | | | SCAC4 |
| 19 | WBTV | WOODMAN, BOB TIRES INC | | | SCAC4 |
| 20 | WBTW | WEST BROTHERS TRUCKING INC | | | SCAC4 |
