| 1 | ITG | Interlace Airlines Limited | Callsign: Interlace, | WAG | AVCODES |
| 2 | ITG | ITG Transportmittel GmbH | | AT | VKM |
| 3 | ITGA | ITG OCEAN EXPRESS LINE | | | SCAC4 |
| 4 | ITGI | INTEGRATED TRANSPORTATION GROUP INC | | | SCAC4 |
| 5 | ITGL | INTERGRATED LOGISTICS SERVICES INC | | | SCAC4 |
| 6 | ITGQ | INTERLOGIC INC | | | SCAC4 |
| 7 | ITGS | INTEGRITY TRANSPORTATION LLC | | | SCAC4 |
| 8 | ITGT | ITG TRANSPORTATION SERVICES INC | | | SCAC4 |
| 9 | ITGU | ITT ULUSLARARASIŞ TAŞ SAN.TIC LTD ŞTI. | | TR | BIC |
| 10 | ITGU | INTERLOGISTIC S R L | | | SCAC4 |
| 11 | ITGX | The Andersons-Rail Group | added 10/2004; 7/2005 | | NAKINA |
| 12 | ITGX | ITG Inc. | eliminated 1/1987; 1/1994-7/2000; eliminated 7/2001 | | NAKINA |
| 13 | ITGX | ITG Inc. | eliminated 1/87; 1/94-7/2000; eliminated 7/2001 | | NRHS |
| 14 | ITGX | *ITG INCORPORATED | | | PWRC |
| 15 | ITGX | +THE ANDERSONS-RAIL GROUP | | | PWRC |
| 16 | ITGX | ITG Inc. | | | RSRV |
| 17 | ITGX | ANDERSONS INC, THE | | | SCAC4 |
| 18 | ITGY | INTEGRITY TRUCKING LLC | | | SCAC4 |
| 19 | ITGZW | ITG Ingenieur-, Tief- und Gleisbau GmbH | | DE | VKM |
