| 1 | FDC | Frederick Air Taxi Service, Inc. | Callsign: Federick, | USA | AVCODES |
| 2 | FDC | Ferrocarrilles de Cuba | Real: FCC | C | TRAFFIC |
| 3 | FDCA | FEDICIA INVESTMENTS LTD | | | SCAC3 |
| 4 | FDCA | FEDEX CUSTOM CRITICAL AUTOTRANS INC | | | SCAC4 |
| 5 | FDCC | FedEx Custom Critical | | | SCAC2 |
| 6 | FDCC | FEDEX CUSTOM CRITICAL INC | | | SCAC4 |
| 7 | FDCE | FIELDS, CARLOS E | | | SCAC3 |
| 8 | FDCE | FREIGHTDOC INTERNATIONAL INC | | | SCAC4 |
| 9 | FDCK | FDC ENTERPRISES LLC | | | SCAC4 |
| 10 | FDCL | FEDERATION CHEMICALS LIMITED | | | SCAC3 |
| 11 | FDCN | FLUIDESIGN COMPOSITES INC | | | SCAC4 |
| 12 | FDCO | FLEET DRIVEAWAY CORP | | | SCAC4 |
| 13 | FDCP | FDC TRANSPORT INC | | | SCAC3 |
| 14 | FDCS | F & D COAL SALES COMPANY | | | SCAC3 |
| 15 | FDCS | FUNDY CONTRACTORS LIMITED | | | SCAC4 |
| 16 | FDCT | FDC TRUCKING INC | | | SCAC3 |
| 17 | FDCT | FORDICE TRUCKING CO | | | SCAC4 |
| 18 | FDCU | SHANGHAI FNS LOGISTICS CO LTD | | PRC | BIC |
| 19 | FDCX | F.D. Cline Construction Co. | 1/1950 | | NAKINA |
| 20 | FDCX | F. D. CLINE CONSTRUCTION CO. | | | PWRC |
