| 1 | INA | Aero Internacional, S.A. de C.V. | Callsign: Aero-nacional, | MEX | AVCODES |
| 2 | INA | Interair (Aviation) Ltd. | Callsign: Griffon, | GB | AVCODES |
| 3 | INA | Indiana Airways, Inc. | Callsign: Indi-Air, | USA | AVCODES |
| 4 | INA | Aero International | | | ICAO1 |
| 5 | INA | Indian Army | | IND | TRAFFIC |
| 6 | INA | INA d.d. | | HR | VKM |
| 7 | INAB | INSTALACIONES INABENSA | | ES | VKM |
| 8 | INAC | INTERNATIONAL TRADE ALLIANCE INC | | | SCAC4 |
| 9 | INAE | INTERIORES AEREOS S A DE C V | | | SCAC4 |
| 10 | INAF | INSTANT AIR FREIGHT COMPANY | | | SCAC4 |
| 11 | INAG | INSTANT AGAIN LLC | | | SCAC4 |
| 12 | INAK | INA TRUCKING | | | SCAC4 |
| 13 | INAO | INFINITY LOGISTICS MANAGEMENT | | | SCAC4 |
| 14 | INAP | INAPART INC. | | | SCAC4 |
| 15 | INAR | INTERNATIONAL DELIVERY S DE RL DE C | | | SCAC4 |
| 16 | INAS | INLAND PLASTICS LTD | | | SCAC4 |
| 17 | INAT | INTERNAUT SHIPPING GMBH | | | SCAC4 |
| 18 | INAU | NASHVILLE & ASHLAND CITY RAILROAD | | | SCAC3 |
| 19 | INAY | INLAND NORTH AMERICA | | | SCAC4 |
| 20 | INAZ | INTALCO ALUMINUM | | | PWRC |
