| 1 | FMC | Claessens International Ltd. | Callsign: Claessens, | GB | AVCODES |
| 2 | FMC | Claessens International Limited | | | ICAO1 |
| 3 | FMCC | FLAMCO INC | | | SCAC3 |
| 4 | FMCC | FARM COUNTRY CO-OP | | | SCAC4 |
| 5 | FMCE | FARM-CITY TRANSPORT INC | | | SCAC3 |
| 6 | FMCF | FILSON MANUFACTURING COMPANY INC | | | SCAC4 |
| 7 | FMCL | FATHOM MARINE COMPANY LIMITED | | | SCAC3 |
| 8 | FMCM | FM CARRIERS INC. | | | SCAC4 |
| 9 | FMCN | FARAH MANUFACTURING CO INC | | | SCAC3 |
| 10 | FMCN | FARMLAND COOP INC | | | SCAC4 |
| 11 | FMCP | FAMCO TRANSPORT INC | | | SCAC3 |
| 12 | FMCP | FARMERS COOPERATIVE | | | SCAC4 |
| 13 | FMCQ | FOXMORE COMPANY LIMITED | | | SCAC3 |
| 14 | FMCQ | FRM MAIL CONTRACTING INC | | | SCAC4 |
| 15 | FMCR | FREEMAN CONSTRUCTION | | | SCAC4 |
| 16 | FMCS | FANTASY MOTOR COACHES INC | | | SCAC3 |
| 17 | FMCU | FARMAD COMPANY LIMITED | | IR | BIC |
| 18 | FMCU | FMC CORPORATION | | | PWRC |
| 19 | FMCU | FMC Corporation (Industrial Chemical Group) | | | RSRV |
| 20 | FMCU | FMC CORP. INDUSTRIAL CHEMICAL | | | SCAC3 |
| 21 | FMCU | FMC CORPORATION INDUSTRIAL CHEMICAL | | | SCAC4 |
| 22 | FMCV | FREITAS MOVING & CARTAGE LTD | | | SCAC4 |
| 23 | FMCW | FETTES MANUFACTURING COMPANY INC | | | SCAC4 |
| 24 | FMCX | First Mississippi Corp. | added 1/1972; 1/1975; eliminated 10/1977 | | NAKINA |
| 25 | FMCX | Transerv Systems, Inc. | added 1/1970; 4/1970; eliminated 1/1972 | | NAKINA |
| 26 | FMCX | First Mississippi Corp. | added 10/1958; 4/1961-10/1966; eliminated 1/1970 | | NAKINA |
| 27 | FMCX | First Mississippi Corp. | added 10/58; 4/61-10/66; eliminated 1/70 | | NRHS |
| 28 | FMCX | Transerv Systems, Inc. | added 1/70; 4/70; eliminated 1/72 | | NRHS |
| 29 | FMCX | First Mississippi Corp. | added 1/72; 1/75 | | NRHS |
| 30 | FMCX | FIRST MISSISSIPPI CORP. (TRANSERV SYSTEMS, INC.) | | | PWRC |
| 31 | FMCY | FOUR M COMPANY (4M COMPANY) | | | SCAC3 |
| 32 | FMCY | FMC INDUSTRIES LLC | | | SCAC4 |
| 33 | FMCZ | FORD MOTOR COMPANY | | | PWRC |
