| 1 | QPCX | General Electric Rail Services Corp. | 7/2000-7/2005 | | NAKINA |
| 2 | QPCX | General Electric Railcar Services Corp. | 1/1994 | | NAKINA |
| 3 | QPCX | The Quaker Petroleum Co. | 7/1930-4/1947 | | NAKINA |
| 4 | QPCX | The Quaker Petroleum Co. | Apr-38 | | NRHS |
| 5 | QPCX | General Electric Railcar Services Corp. | Jan-94 | | NRHS |
| 6 | QPCX | General Electric Rail Services Corp. | Jul-00 | | NRHS |
| 7 | QPCX | *QUAKER PETROLEUM CO. | | | PWRC |
| 8 | QPCX | +GENERAL ELECTRIC RAILCAR SERVICES CORP | | | PWRC |
| 9 | QPCX | General Electric Rail Services Corporation | | | RSRV |
