| 1 | MWCA | MID-WESTERN CAR CARRIERS INC | | | SCAC4 |
| 2 | MWCF | MIDWESTERN CARTAGE INC | | | SCAC4 |
| 3 | MWCG | MIDWEST COAST LOGISTICS INC | | | SCAC4 |
| 4 | MWCH | MIDWEST COAST LOGISTICS LLC (INTERM | | | SCAC4 |
| 5 | MWCK | MARWICK MANUFACTURING INC | | | SCAC4 |
| 6 | MWCL | Midwest Coal Handling, Inc. | 1/1994-7/2005 | | NAKINA |
| 7 | MWCL | Midwest Coal Handling, Inc. | 1/94-7/2000 | | NRHS |
| 8 | MWCL | MIDWEST COAL HANDLING, INC. | | | PWRC |
| 9 | MWCL | Midwest Coal Handling | | | RSRV |
| 10 | MWCM | MATTHEWS TRUCKING | | | SCAC4 |
| 11 | MWCO | MIDWEST COAST TRUCK BROKERAGE INC | | | SCAC4 |
| 12 | MWCQ | MLC WINDOW COMPANY INC | | | SCAC4 |
| 13 | MWCR | M W CARRIERS | | | SCAC4 |
| 14 | MWCT | MIDWEST COAST LOGISTICS LLC | | | SCAC4 |
| 15 | MWCU | MAERSK A/S | | DK | BIC |
| 16 | MWCU | A P MOLLER | | | SCAC4 |
| 17 | MWCV | MOUNTAIN WEST CONTAINER SERVICES LL | | | SCAC4 |
| 18 | MWCW | METRO WORLD COURIERS | | | SCAC4 |
| 19 | MWCX | Midwest Railcar Corp. | added 4/2000; 7/2000-7/2005 | | NAKINA |
| 20 | MWCX | Marshall Wells Co., Ltd. | 7/1937 (not listed) | | NAKINA |
| 21 | MWCX | Midwest Railcar Corp. | added 4/2000; 7/2000 | | NRHS |
| 22 | MWCX | *MARSHALL WELLS CO., LTD. | | | PWRC |
| 23 | MWCX | +MIDWEST RAILCAR CORP. [MIDWEST CENTRAL RAILROAD] | | | PWRC |
| 24 | MWCX | Midwest Railcar Corporation | | | RSRV |
| 25 | MWCX | MIDWEST RAILCAR CORPORATION | | | SCAC4 |
| 26 | MWCX | Midwest Railcar Corp. | | USA | TRAFFIC |
| 27 | MWCY | MIDWAY COLONY | | | SCAC4 |
