| 1 | MEF | Air Meridian Limited | Callsign: Empennage, | WAN | AVCODES |
| 2 | MEF | Air Meridan | | | ICAO1 |
| 3 | MEFE | MAIN FREIGHT INC | | | SCAC4 |
| 4 | MEFG | MAIN EVENT FUN GAMES INC, THE | | | SCAC4 |
| 5 | MEFI | METRO FREIGHT INC | | | SCAC4 |
| 6 | MEFK | MARTINEZ ESCOBAR, FRANK | | | SCAC4 |
| 7 | MEFM | MAC RAE FARMS | | | SCAC4 |
| 8 | MEFP | MEF TRANSPORTATION LLC | | | SCAC4 |
| 9 | MEFQ | MISSION EXPEDITED FREIGHT INC | | | SCAC4 |
| 10 | MEFR | METROPOLITAN FREIGHT CARRIERS CORP | | | SCAC4 |
| 11 | MEFRV | Mota-Engil Ferrovias | | PT | VKM |
| 12 | MEFS | Mecklenburgische Eisenbahnfreunde Schwerin e.V. | Schwerin | D | privat-bahn.de |
| 13 | MEFS | MERCURY FUEL SERVICE INC | | | SCAC4 |
| 14 | MEFV | MERCANTILE FREIGHT SERVICE | | | SCAC4 |
| 15 | MEFX | MexFresh, L.L.C. | 7/2005 (not listed) | | NAKINA |
| 16 | MEFX | MEXFRESH, LLC | | | PWRC |
| 17 | MEFX | MexFresh | | | RSRV |
| 18 | MEFX | MEXFRESH LLC | | | SCAC4 |
| 19 | MEFZ | MexFresh | | | RSRV |
| 20 | MEFZ | MEXFRESH LLC | | | SCAC4 |
