| 1 | RACX | General Electric Rail Services Corp. | added 1/2000; 7/2000-7/2005 | | NAKINA |
| 2 | RACX | General Electric Railcar Services Corp. | added 10/1995; eliminated 1/2000 | | NAKINA |
| 3 | RACX | Railway Accessories Co. | 10/1966; eliminated 10/1967 | | NAKINA |
| 4 | RACX | Railway Accessories Co. (J.L. Ortner) | 1/1943-7/1965 | | NAKINA |
| 5 | RACX | Railway Accessories Co. (J.L. Ortner) | 1/52-7/65 | | NRHS |
| 6 | RACX | Railway Accessories Co. | 10/66; eliminated 10/67 | | NRHS |
| 7 | RACX | General Electric Railcar Services Corp. | added 10/95; eliminated 1/2000 | | NRHS |
| 8 | RACX | General Electric Rail Services Corp. | added 1/2000; 7/2000 | | NRHS |
| 9 | RACX | *RAILWAY ACCESSORIES CO. | | | PWRC |
| 10 | RACX | +GENERAL ELECTRIC RAIL SERVICES CORPORATION | | | PWRC |
| 11 | RACX | General Electric Rail Services Corporation | | | RSRV |
| 12 | RACX | RAILWAY ACCESSORIES CO | | | SCAC3 |