| 1 | TTY | Thai Tours And Trans Airways Co., Ltd | Callsign: Triple Tour, | T | AVCODES |
| 2 | TTYB | THUNDERBIRD TRUCKING | | | SCAC4 |
| 3 | TTYD | TNT TRANSPORTATION LC | | | SCAC4 |
| 4 | TTYE | TASI TRANSPORTATION | | | SCAC4 |
| 5 | TTYF | TRUST TRANSPORTATION | | | SCAC4 |
| 6 | TTYG | T TWO (T2) SUPPLY CHAIN SOLUTIONS L | | | SCAC4 |
| 7 | TTYL | T & T LOGISTICS | | | SCAC4 |
| 8 | TTYN | TRANSPORTES INTERNACIONALES TYN | | | SCAC4 |
| 9 | TTYP | T & T EXPRESS INC | | | SCAC4 |
| 10 | TTYQ | TAITA TRANS INC | | | SCAC4 |
| 11 | TTYW | T-TRADER ELEVEN LTD | | | SCAC4 |
| 12 | TTYX | TTX COMPANY {TRAILER TRAIN COMPANY} | | | PWRC |
| 13 | TTYX | TTX COMPANY | | | SCAC4 |
