| 1 | OCF | Ocean Airlines | Callsign: Explorer, Ceased operations. | F | AVCODES |
| 2 | OCFA | SNCF: Office des Chemins de fer Algériens | | DZ | TRAFFIC |
| 3 | OCFC | O C F CONSOLIDATION SVCS INC | | | SCAC3 |
| 4 | OCFG | OWENS CORNING FIBERGLAS CONSTR SVCS | | | SCAC3 |
| 5 | OCFI | OCEAN FREIGHT HANDLERS INC | | | SCAC3 |
| 6 | OCFI | OCEAN FREIGHT HANDLERS INC | | | SCAC4 |
| 7 | OCFP | O.C.F. / PRO RACING FUELS | | | SCAC4 |
| 8 | OCFR | OCEAN FRESH TRADING CO | | | SCAC4 |
| 9 | OCFS | OTTAWA COUNTY FARM SUPPLY | | | SCAC3 |
| 10 | OCFX | Owens Corning Fiberglas | 1/1994-7/2005 (not listed) | | NAKINA |
| 11 | OCFX | Owens Corning Fiberglas | 1/94-7/2000 | | NRHS |
| 12 | OCFX | *(CSXT) RETIRED 06-24-93 ATP | | | PWRC |
| 13 | OCFX | +OWENS CORNING FIBERGLAS | | | PWRC |
| 14 | OCFX | Owens Corning Fiberglass | | | RSRV |
