| 1 | IAC | Indian Airlines Corporation | IATA: IC, Callsign: Indair, IATA Prefix: 058, Name changed to NACIL d/b/a Indian Airlines. | IND | AVCODES |
| 2 | IAC | NACIL d/b/a Indian Airlines | IATA: IC, Callsign: Indair, IATA Prefix: 058, Meregd into Air India. Name changed from Indian Airlines Corporation. | IND | AVCODES |
| 3 | IAC | Interaviation Charter | Callsign: Intercharter, | RO | AVCODES |
| 4 | IAC | Ibex Air Charter | Callsign: Ibex Airlines, | RL | AVCODES |
| 5 | IAC | Indian Airlines | IATA: IC | | ICAO1 |
| 6 | IACA | BIG ACE TRUCKING INC | | | SCAC4 |
| 7 | IACB | INTRADECO APPAREL INC | | | SCAC4 |
| 8 | IACG | INSEL AIR CARGO | | | SCAC4 |
| 9 | IACN | INTER ACTION COURIER INTERNATIONAL | | | SCAC4 |
| 10 | IACT | INTERNATIONAL ACTIVITIES CORPORATIO | | | SCAC4 |
| 11 | IACU | I.A.C.C. INTERNATIONAL ASSOCIATED | | ET | BIC |
| 12 | IACU | I A C C | | | SCAC4 |
| 13 | IACX | Canadian Industrial Alcohol Co., Ltd. | 7/1930-7/1932 | | NAKINA |
| 14 | IACX | CANADIAN INDUSTRIAL ALCOHOL CO., LTD. | | | PWRC |
