| 1 | FFI | Infinit Air S.L. | Callsign: Infinit, | I | AVCODES |
| 2 | FFI | Infinit Air | | | ICAO1 |
| 3 | FFIB | FLO FAB INC | | | SCAC4 |
| 4 | FFID | FROST FREIGHT INC | | | SCAC4 |
| 5 | FFIH | FFS FREIGHT INTERNATIONAL INC | | | SCAC4 |
| 6 | FFII | FIDELITY FORWARDING INTERNATIONAL I | | | SCAC3 |
| 7 | FFII | FIDELITY FORWARDING INTERNATIONAL I | | | SCAC4 |
| 8 | FFIL | FAST FREIGHT INC | | | SCAC4 |
| 9 | FFIO | FAST FLEET INC | | | SCAC3 |
| 10 | FFIP | FREELAND FARMS INC | | | SCAC3 |
| 11 | FFIS | FRANCO FREIGHT SYSTEMS INC | | | SCAC3 |
| 12 | FFIS | FAST FREIGHT INCESSANT INC | | | SCAC4 |
| 13 | FFIX | Procor Ltd. | added 1/1974; 1/1975-7/2005 | | NAKINA |
| 14 | FFIX | Union Tank Car Co. | added 7/1973; eliminated 1/1974 | | NAKINA |
| 15 | FFIX | Union Tank Car Co. | added 7/73; eliminated 1/74 | | NRHS |
| 16 | FFIX | Procor Ltd. | added 1/74; 1/75-7/2000 | | NRHS |
| 17 | FFIX | (PROX) PROCOR LIMITED [UNION TANK CAR CO.](FINLAY FOREST INDUSTRIES - LESSEE) | | | PWRC |
| 18 | FFIX | Finlay Forest Industries (Procor) | | | RSRV |
| 19 | FFIX | PROCOR LIMITED | | | SCAC4 |
