| 1 | IBS | IBIS | Callsign: Spider, | B | AVCODES |
| 2 | IBS | Flying Partner | | B | AVCODES |
| 3 | IBS | Compania Operadora de Corto y Medio Radio Iberia Express, S.A.U | IATA: I2, Callsign: Iberexpres, IATA Prefix: 060, | E | AVCODES |
| 4 | IBSH | I BEAM SHIPPING COMPANY LIMITED | | | SCAC4 |
| 5 | IBSP | I BLADE SHIPPING COMPANY LIMITED | | | SCAC4 |
| 6 | IBSR | INGRAM BROTHERS SERVICES LLC | | | SCAC4 |
| 7 | IBSW | ICE BIRD SHIPPING SA | | | SCAC4 |
| 8 | IBSY | INLAND BARGE SERVICE INC | | | SCAC4 |
