| 1 | EZA | Eznis Airways | IATA: ZY, Callsign: Eznis, IATA Prefix: 646, IATA designator changed to O7 | MGL | AVCODES |
| 2 | EZA | Eznis Airways | IATA: O7, Callsign: Eznis, IATA Prefix: 646, IATA designator changed to EF. IATA designator changed from O7 | MGL | AVCODES |
| 3 | EZA | Eznis Airways | IATA: EF, Callsign: Eznis, IATA Prefix: 646, Ceased operations on 22 May 2014. IATA designator changed from O7. IATA designator previously changed from O7 | MGL | AVCODES |
| 4 | EZA | Eznis Airways LLC | IATA: MG, IATA Prefix: 116, Planned to start operations May 2018. | MGL | AVCODES |
| 5 | EZAA | E Z ACCESS | | | SCAC4 |
| 6 | EZAC | E-ZEE MILKING EQ LLC | | | SCAC4 |
| 7 | EZAD | ELIZANDE GAONA, MA DE LOURDES | | | SCAC4 |
| 8 | EZAF | ESPINOZA TRUCKING | | | SCAC4 |
| 9 | EZAI | E.N.E AMOLIANI LTD | | | SCAC3 |