| 1 | IEA | Intermediacion Aerea S.L., Compania Aerea t/a InterMed | Callsign: Intermed, Established in 1997. Ceased operations in 2005. | E | AVCODES |
| 2 | IEA | Inter European Airways Ltd. | IATA: IP, Callsign: Aspro, Merged into Airtours International Airways Ltd on 02 September 1993. | GB | AVCODES |
| 3 | IEA | Inland Empire Airlines, Inc. | Callsign: Inland Empire, | USA | AVCODES |
| 4 | IEAF | Imperial Ethiopian Air Force | | ETH | TRAFFIC |
| 5 | IEAM | INVENTURE ENGINEERING AND | | | SCAC4 |
| 6 | IEAR | INFINITE ENTERPRISES INC | | | SCAC4 |
| 7 | IEAU | SEACO SRL | | BDS | BIC |
| 8 | IEAU | INTERMODAL EQUIPMENT ASSOCIATES | | | PWRC |
| 9 | IEAU | Intermodal Equipment Associates | | | RSRV |
| 10 | IEAU | CRONOS CONTAINERS LTD | | | SCAC4 |
