| 1 | USEX | United States Railway Equipment Co. | added 4/1955; 10/1957-1/1975; eliminated 7/1979 | | NAKINA |
| 2 | USEX | United States Leasing Co. | added 7/1979 | | NAKINA |
| 3 | USEX | United States Railway Leasing Co. | 1/1980; eliminated 10/1980 | | NAKINA |
| 4 | USEX | Evans Railcar Leasing Co. | added 10/1980; eliminated 4/1988 | | NAKINA |
| 5 | USEX | Itel Rail Corp. | added 4/1988; eliminated 10/1992 | | NAKINA |
| 6 | USEX | General Electric Railcar Services Corp. | added 10/1992; 1/1994; eliminated 1/2000 | | NAKINA |
| 7 | USEX | General Electric Rail Services Corp. | added 1/2000; 7/2000-7/2005 | | NAKINA |
| 8 | USEX | United States Railway Equipment Co. | added 4/55; 10/57-1/75; eliminated 7/79 | | NRHS |
| 9 | USEX | United States Leasing Co. | added 7/79 | | NRHS |
| 10 | USEX | United States Railway Leasing Co. | 1/80; eliminated 10/80 | | NRHS |
| 11 | USEX | Evans Railcar Leasing Co. | added 10/80; eliminated 4/88 | | NRHS |
| 12 | USEX | Itel Rail Corp. | added 4/88; eliminated 10/92 | | NRHS |
| 13 | USEX | General Electric Railcar Services Corp. | added 10/92; 1/94; eliminated 1/2000 | | NRHS |
| 14 | USEX | General Electric Rail Services Corp. | added 1/2000; 7/2000 | | NRHS |
| 15 | USEX | (NATX) GEN. ELECTRIC RAIL SERVICES CORP. [ITEL RAIL CORP.; EVANS RAILCAR LEASING CO.; UNITED STATES RAILWAY LEASING CO.] | | | PWRC |
| 16 | USEX | Evans Railcar Leasing (GE Rail Services) | | | RSRV |
| 17 | USEX | GENERAL ELECTRIC RAILCAR SERVICES C | | | SCAC4 |
