| 1 | ICD | Icaro S.A. | IATA: X8, Callsign: Icaro, IATA Prefix: 545, Founded in 1971. Ceased operations during 2011. | EC | AVCODES |
| 2 | ICD | Icaro | | | ICAO1 |
| 3 | ICDB | INDIAN CAPITAL DISTRIBUTION CO INC | | | SCAC4 |
| 4 | ICDF | INTERNATIONAL CRUISE DUTY FREE INC | | | SCAC4 |
| 5 | ICDL | INTER-CITY DELIVERY SERVICE, INC | | | SCAC1 |
| 6 | ICDL | INTER-CITY DELIVERY SERVICE INC | | | SCAC4 |
| 7 | ICDP | INTRA CITY DISPATCH INC | | | SCAC4 |
| 8 | ICDU | ICON INT. CONTAINER SERVICE GMBH | | D | BIC |
| 9 | ICDU | ICON INTERNATIONAL CONTAINER SERVIC | | | SCAC4 |
| 10 | ICDUE | I.C.E.F.E DUE SRL | | IT | VKM |
| 11 | ICDV | INTER CITY DELIVERY, INC | | | SCAC1 |
| 12 | ICDV | INTER-CITY DELIVERY | | | SCAC4 |
| 13 | ICDX | Inspiration Consolidated Copper Co. | 8/1920-7/1930 | | NAKINA |
| 14 | ICDX | INSPIRATION CONSOLIDATED COPPER CO | | | PWRC |
