| 1 | QOCK | GE RAIL SERVICES | | | PWRC |
| 2 | QOCX | Quaker Oats Co. | 1/1994-7/2005 | | NAKINA |
| 3 | QOCX | General Electric Railcar Services Corp. | added 1/1984 | | NAKINA |
| 4 | QOCX | North American Car Co. | added 4/1971; 1/1975-1/1980; eliminated 1/1984 | | NAKINA |
| 5 | QOCX | North American Car Co. | added 4/71; 1/75-1/80 | | NRHS |
| 6 | QOCX | Quaker Oats Co. | 1/94-7/2000 | | NRHS |
| 7 | QOCX | *GENERAL ELECTRIC RAILCAR SERVICES CORP. [NORTH AMERICAN CAR CO.] | | | PWRC |
| 8 | QOCX | +QUAKER OATS COMPANY | | | PWRC |
| 9 | QOCX | GE Rail Services | | | RSRV |
| 10 | QOCX | QUAKER OATS COMPANY | | | SCAC4 |
