| 1 | INX | Inter Express Hava Tasimacilik A.S. | IATA: 6K, Callsign: Inter-Euro, Founded on 17 December 1999. Ceased operations on 18 November 2008. | TR | AVCODES |
| 2 | INX | Inter Express | | | ICAO1 |
| 3 | INX | ILLINOIS NORTHERN RAILWAY | | | PWRC |
| 4 | INXA | INLAND TRANSPORTATION LLC | | | SCAC4 |
| 5 | INXC | INMA EXPORT CORP | | | SCAC4 |
| 6 | INXD | INDI TRANSPORT LTD | | | SCAC4 |
| 7 | INXE | INTERNATIONAL EXPRESS CORP | | | SCAC4 |
| 8 | INXI | INLAND TRANSPORT INC | | | SCAC4 |
| 9 | INXK | INTERNATIONAL EXPRESS TRUCKING INC | | | SCAC4 |
| 10 | INXM | INNEX AMERICA LOGISTICS INC | | | SCAC4 |
| 11 | INXN | INNOVATIONS IN TRANSPORTATION | | | SCAC4 |
| 12 | INXP | INTERSTATE EXPRESS INC | | | SCAC4 |
| 13 | INXU | INOX SHIPPING LINE PTE LTD | | SGP | BIC |
| 14 | INXU | INSULINER LIMITED | | | SCAC4 |
