| 1 | FFIX | Procor Ltd. | added 1/1974; 1/1975-7/2005 | | NAKINA |
| 2 | FFIX | Union Tank Car Co. | added 7/1973; eliminated 1/1974 | | NAKINA |
| 3 | FFIX | Union Tank Car Co. | added 7/73; eliminated 1/74 | | NRHS |
| 4 | FFIX | Procor Ltd. | added 1/74; 1/75-7/2000 | | NRHS |
| 5 | FFIX | (PROX) PROCOR LIMITED [UNION TANK CAR CO.](FINLAY FOREST INDUSTRIES - LESSEE) | | | PWRC |
| 6 | FFIX | Finlay Forest Industries (Procor) | | | RSRV |
| 7 | FFIX | PROCOR LIMITED | | | SCAC4 |
