| 1 | MFX | My Freighter Airlines | IATA: C6, Callsign: Whitebird, IATA Prefix: 488, IATA Designator changed from MF*. | UZ | AVCODES |
| 2 | MFX | My Freighter Airlines | IATA: MF, Callsign: Whitebird, IATA Designator changed to C6. | UZ | AVCODES |
| 3 | MFX | Merchants Fertilizer Co. | 7/1937 (not listed); 1/1943 (not listed) | | NAKINA |
| 4 | MFX | Merchants Fertilizer Co. (Armour Car Lines) | 7/1923 | | NAKINA |
| 5 | MFX | Morris Fertilizer Co. | 8/1920 | | NAKINA |
| 6 | MFX | MERCHANTS FERTILIZER CO. {MORRIS FERTILIZER CO.] (ARMOUR CAR LINES) | | | PWRC |
| 7 | MFXC | MTF TRANSPORTATION INC | | | SCAC4 |
| 8 | MFXS | MFX LLC | | | SCAC4 |
| 9 | MFXT | MORENO, FELIX TRANSFER | | | SCAC4 |
