| 1 | IMX | Zimex Aviation Limited | IATA: C4, Callsign: Zimex, IATA designator changed from MF | CH | AVCODES |
| 2 | IMX | Zimex Aviation Limited | IATA: MF, Callsign: Zimex, IATA designator changed to C4* | CH | AVCODES |
| 3 | IMX | Zimex Aviation Limited | IATA: XM, Callsign: Zimex, IATA Prefix: 927, IATA designator changed from C4* | CH | AVCODES |
| 4 | IMX | Zimex Aviation | IATA: C4 | | ICAO1 |
| 5 | IMXA | INTER MEXICANA DE TRANSPORTE S A DE | | | SCAC4 |
| 6 | IMXH | IMMEDIATE TRANSPORTATION SOLUTIONS | | | SCAC4 |
| 7 | IMXI | IMEX IMPORT & EXPORT CARTAGE LTD | | | SCAC4 |
| 8 | IMXK | IMEX MARKETING INC | | | SCAC4 |
| 9 | IMXO | INTERRUPTORES DE MEXICO S A DE C | | | SCAC4 |
| 10 | IMXR | IMEX ROZON TRANSPORT INC | | | SCAC4 |
| 11 | IMXT | IMEX TRANSPORT | | | SCAC4 |
| 12 | IMXZ | INTERMODAL EXPRESS, INC. | | | PWRC |
| 13 | IMXZ | Intermodal Express | | | RSRV |
| 14 | IMXZ | INTERMODAL EXPRESS, INC. | | | SCAC4 |
