| 1 | NAHX | General Electric Rail Services Corp. | added 1/2000; 7/2000-7/2005 | | NAKINA |
| 2 | NAHX | General Electric Railcar Services Corp. | added 1/1984; 1/1994; eliminated 1/2000 | | NAKINA |
| 3 | NAHX | North American Car Corp. | 1/1952-1/1980; eliminated 1/1984 | | NAKINA |
| 4 | NAHX | North American Car Corp. | 1/52-1/80 | | NRHS |
| 5 | NAHX | General Electric Railcar Services Corp. | 1/94; eliminated 1/2000 | | NRHS |
| 6 | NAHX | General Electric Rail Services Corp. | added 1/2000; 7/2000 | | NRHS |
| 7 | NAHX | (NATX) G. E. RAIL SERVICES CORP - WONDER/HOSTESS, LESSOR | | | PWRC |
| 8 | NAHX | GE Rail Services | | | RSRV |
| 9 | NAHX | GENERAL ELECTRIC RAILCAR SERVICES C | | | SCAC4 |
| 10 | NAHX | North American Car Corp. | | USA | TRAFFIC |