| 1 | THY | Turkish Airlines, Inc. | IATA: TK, Callsign: Turkish, IATA Prefix: 235, Name changed from Turk Hava Yollari (Turkish Airlines). ICAO callsign changed from Turkair | TR | AVCODES |
| 2 | THY | Turk Hava Yollari (Turkish Airlines) | IATA: TK, Callsign: Turkair, IATA Prefix: 235, Name changed to Turkish Airlines, Inc. ICAO callsign changed to Turkish | TR | AVCODES |
| 3 | THY | Turkish Airlines | IATA: TK | | ICAO1 |
| 4 | THY | Turkish Airlines | | TR | TRAFFIC |
| 5 | THYC | THREE C (3C) LOGISTICS LLC | | | SCAC4 |
| 6 | THYE | THAYER, ED INC | | | SCAC4 |
| 7 | THYI | TRANSPORT HAUTE-YAMASKA (GRANBY) IN | | | SCAC4 |
| 8 | THYL | TRANSFER H Y L | | | SCAC4 |
| 9 | THYQ | THAYER LOGISTICS INC | | | SCAC4 |
| 10 | THYS | THYSSEN HANIEL LOGISTIC GMBH | | | SCAC4 |
| 11 | THYS | Thyssen-Krupp AG | | D | TRAFFIC |
| 12 | THYT | THREE-WAY TRUCKING INC | | | SCAC4 |
| 13 | THYU | THIJSSEN DRILLING COMPANY BV | | | SCAC4 |
