| 1 | WSB | West Side Belt R.R. Co. (Pittsburgh & West Virgina Ry.) | 8/1920-7/1936 | | NAKINA |
| 2 | WSB | PITTSBURGH & WEST VIRGINIA RWY. [WEST SIDE BELT RAILROAD CO.] | | | PWRC |
| 3 | WSB | Wynental- und Suhrentalbahn | | CH | TRAFFIC |
| 4 | WSB | Wynental- und Suhrentalbahn (WSB) | | CH | VKM |
| 5 | WSBA | WAGONSERVICE travel, ltd | | SK | VKM |
| 6 | WSBB | W S BADCOCK CORP | | | SCAC4 |
| 7 | WSBD | WESTSIDE BUILDING SUPPLY | | | SCAC4 |
| 8 | WSBE | WEST & SONS TOWING INC | | | SCAC4 |
| 9 | WSBI | WEISS, MITCHELL W | | | SCAC4 |
| 10 | WSBK | W & S TRUCKING INC | | | SCAC4 |
| 11 | WSBQ | WISCONSIN REFRIGERATED EXPRESS INC | | | SCAC4 |
| 12 | WSBT | WESTFALL TRUCKING INC | | | SCAC4 |
| 13 | WSBY | WESTBY TRUCKING | | | SCAC4 |
