1 | WPX | Wood Products Co. | 8/1920-7/1923 | | NAKINA |
2 | WPX | WOOD PRODUCTS CO. | | | PWRC |
3 | WPXC | WPX COURIERS | | | SCAC4 |
4 | WPXI | WHITE PLUS XPRESS INC | | | SCAC4 |
5 | WPXY | WORLDPOINT TRANSPORT COMPANY | | | SCAC4 |
6 | WPXZ | UNION PACIFIC RAILROAD COMPANY | | | PWRC |
7 | WPXZ | Western Pacific Railroad (Union Pacific Railroad) | | | RSRV |
8 | WPXZ | UNION PACIFIC RAILROAD COMPANY | | | SCAC4 |