| 1 | MCEX | Michigan Electrochemical Co. | 7/1930 | | NAKINA |
| 2 | MCEX | Compania Mexicana de Comereio Exterior, S.A. | 4/1947-7/1965; eliminated 10/1965 | | NAKINA |
| 3 | MCEX | Compania Mexicana de Comereio Exterior, S.A. | 1/52-7/65; eliminated 10/65 | | NRHS |
| 4 | MCEX | *COMPANIA MEXICANA DE COMEREIO EXTERIOR, SA | | | PWRC |
| 5 | MCEX | +MIDWEST RAILCAR CAPITAL EQUIPMENT CORP. | | | PWRC |
| 6 | MCEX | MIDWEST RAILCAR CAPITAL EQUIPMENT C | | | SCAC4 |
| 7 | MCEX | Midwest Railcar Capital Equipment Corp. | | USA | TRAFFIC |
