| 1 | IBT | Ibertrans Aerea, S.L. | Callsign: Ibertrans, | E | AVCODES |
| 2 | IBT | Ibertrans Aerea | | | ICAO1 |
| 3 | IBT | International Bridge & Terminal Co. | 1/1975-1/1994; added 7/1998; 7/2000-7/2005 | | NAKINA |
| 4 | IBT | International Bridge & Terminal Co. | 1/75-1/94; added 7/98; 7/2000 | | NRHS |
| 5 | IBT | INTERNATIONAL BRIDGE & TERMINAL | | | PWRC |
| 6 | IBT | International Bridge and Terminal | | | RSRV |
| 7 | IBT | INTERNATIONAL BRIDGE AND TERMINAL C | | | SCAC4 |
| 8 | IBT | International Bridge & Terminal Co. | | USA | TRAFFIC |
| 9 | IBTE | I-BT EXPRESS LLC | | | SCAC4 |
| 10 | IBTI | INTERSTATE BULK TRANSPORT INC | | | SCAC4 |
| 11 | IBTK | IBARRA TRUCKING | | | SCAC4 |
| 12 | IBTP | IBT | | | SCAC4 |
| 13 | IBTR | I B TRANSPORT INC | | | SCAC4 |
| 14 | IBTU | DEN HARTOGH GLOBAL BV | | NL | BIC |
| 15 | IBTU | UNITED TRANSPORT TANKCONTAINERS BV | | | SCAC4 |
