| 1 | WIM | Washington, Idaho & Montana Ry. Co. | 1/1975-1/1980; eliminated 7/1981 | | NAKINA |
| 2 | WIM | Washington, Idaho & Montana Ry. Co. | 1/75-1/80; eliminated 7/81 | | NRHS |
| 3 | WIM | WASHINGTON, IDAHO & MONTANA RAILWAY CO. | | | PWRC |
| 4 | WIM | LML Industriemuseum | | DE | VKM |
| 5 | WIMM | WIMMER TRANSPORTATION SERVICES | | | SCAC4 |
| 6 | WIMV | WINNIPEG MOVING | | | SCAC4 |
| 7 | WIMX | Wimpey Minerals USA, Inc. | 7/2000 (not listed) | | NAKINA |
| 8 | WIMX | Pennsy Supply Inc. | added 1/2004; eliminated 4/2004; 7/2005 (not listed) | | NAKINA |
| 9 | WIMX | Wimpey Minerals USA, Inc. | Jul-00 | | NRHS |
| 10 | WIMX | *WIMPEY MINERALS USA INCORPORATED | | | PWRC |
| 11 | WIMX | +PENNSY SUPPLY INC. | | | PWRC |
| 12 | WIMX | Pennsylvania Lime | | | RSRV |
| 13 | WIMX | PENNSY SUPPLY INC | | | SCAC4 |
