| 1 | ITK | Interlink Airlines (Pty) Ltd. | IATA: ID, Callsign: Interlink, IATA Prefix: 431, Designator ID restated by IATA | ZA | AVCODES |
| 2 | ITK | Interlink Airlines | IATA: ID | | ICAO1 |
| 3 | ITKC | INTERSTATE TRUCK LINES INC | | | SCAC4 |
| 4 | ITKD | INTERNATIONAL TRUCKLINES LTD | | | SCAC4 |
| 5 | ITKG | INDEPENDENT TRUCK BROKERAGE | | | SCAC4 |
| 6 | ITKM | INDUSTRIAL TRUCKING LLC | | | SCAC4 |
| 7 | ITKQ | IOSTY TRUCKING INC | | | SCAC4 |
| 8 | ITKT | INTERMODAL TANK TRANSPORT (USA) INC | | | SCAC4 |
| 9 | ITKU | INTERTANK LTDA | | BR | BIC |
| 10 | ITKU | INTERTANK, LTD. | | | PWRC |
| 11 | ITKU | Intertank | | | RSRV |
| 12 | ITKU | INTERTANK LTDA | | | SCAC4 |
