| 1 | WTB | Wutachtalbahn e.V. | Fützen | D | privat-bahn.de |
| 2 | WTB | Dampflok-Gemeinschaft 41096 e.V | | DE | VKM |
| 3 | WTBA | WALLEY'S TRUCKING | | | SCAC4 |
| 4 | WTBB | Stadt Blumberg-Wutachtalbahn | | DE | VKM |
| 5 | WTBC | West Towns Bus Company | City: Chicago | USA | TRAFFIC |
| 6 | WTBJ | WEBB TRANSPORT LLC | | | SCAC4 |
| 7 | WTBM | WELLS TRUCKING | | | SCAC4 |
| 8 | WTBN | WILSON TRANSPORT SERVICE LLC | | | SCAC4 |
| 9 | WTBO | WAREHOUSE TRANSPORT ASSOCIATES INC | | | SCAC4 |
| 10 | WTBS | WATTS BROTHERS MOVING & STORAGE SYS | | | SCAC4 |
| 11 | WTBT | WALL TO WALL ENTERPRISES INC | | | SCAC4 |
| 12 | WTBV | WINEBARGER TRUCKING | | | SCAC4 |
| 13 | WTBY | WILLIAMS TRANSPORTATION | | | SCAC4 |
