| 1 | WTIA | WILFER TRANSPORT INC | | | SCAC4 |
| 2 | WTIC | WTI INC | | | SCAC4 |
| 3 | WTID | WHOOPS TRANSPORT INC | | | SCAC4 |
| 4 | WTIE | WESTERN TRANSPORTATION INC | | | SCAC4 |
| 5 | WTIF | WHITEHALL TRANSPORTATION INC | | | SCAC4 |
| 6 | WTII | WHITE TIMBER INDUSTRIES | | | SCAC4 |
| 7 | WTIJ | WHITEWOOD TRANSPORT INC (BROKERAGE | | | SCAC4 |
| 8 | WTIK | WELL TRUCKING INC | | | SCAC4 |
| 9 | WTIM | WILKINSON TRUCKING INC | | | SCAC4 |
| 10 | WTIN | W I T INC | | | SCAC4 |
| 11 | WTIO | WASKOM TRANSPORT INC | | | SCAC4 |
| 12 | WTIP | WARRIOR TRANSPORT INC | | | SCAC4 |
| 13 | WTIQ | WISEMANS TRUCKING INC | | | SCAC4 |
| 14 | WTIR | WINSCAR TRANSPORT INC | | | SCAC4 |
| 15 | WTIS | WASHINGTON TRACTOR INC | | | SCAC4 |
| 16 | WTIY | WOODSTOCK TRUCKING INC | | | SCAC4 |
