| 1 | WSK | Woodstock Ry. Co. | 7/1923-7/1932 | | NAKINA |
| 2 | WSK | WOODSTOCK RWY. CO. | | | PWRC |
| 3 | WSKB | WALLIS TRUCKING INC | | | SCAC4 |
| 4 | WSKC | WISE TRUCK LINES LLC | | | SCAC4 |
| 5 | WSKI | WELESKI TRANSFER OF CLEVELAND | | | SCAC4 |
| 6 | WSKL | WILES TRUCKING LLC | | | SCAC4 |
| 7 | WSKO | WASKO, G L AND SONS L L C | | | SCAC4 |
| 8 | WSKP | WASSINK TRANSPORT | | | SCAC4 |
| 9 | WSKR | WESTSIDE TRUCKING | | | SCAC4 |
| 10 | WSKT | WICHITA-SOUTHEAST KANSAS TRANSIT, INC | | | SCAC1 |
| 11 | WSKT | WICHITA-SOUTHEAST KANSAS TRANSIT IN | | | SCAC4 |
