| 1 | OILX | General Electric Railcar Services Corp. | added 1/1984; 1/1994; eliminated 10/1994 | | NAKINA |
| 2 | OILX | North American Car Corp. | eliminated 1/1984 | | NAKINA |
| 3 | OILX | Transcontinental Transport, Inc. | added 10/1960; 4/1961; eliminated 7/1962 | | NAKINA |
| 4 | OILX | Oil Tank Line Co. | 7/1937-10/1957; eliminated 10/1960 | | NAKINA |
| 5 | OILX | Oil Tank Line Co. | 4/38-10/57; eliminated 10/60 | | NRHS |
| 6 | OILX | Transcontinental Transport, Inc. | added 10/60; 4/61 | | NRHS |
| 7 | OILX | General Electric Railcar Services Corp. | 1/94; eliminated 10/94 | | NRHS |
| 8 | OILX | *TRANSCONTINENTAL TRANSPORT [OIL TANK LINE CO.] | | | PWRC |
| 9 | OILX | *(NATX) GENERAL ELECTRIC RAILCAR SERVICES CORPORATION | | | PWRC |
| 10 | OILX | GE Rail Services | | | RSRV |
