| 1 | THA | Thai Airways International Public Company Ltd. | IATA: TG, Callsign: Thai, IATA Prefix: 217, | T | AVCODES |
| 2 | THA | Thai Airways International | IATA: TG | | ICAO1 |
| 3 | THA | Thalys | | F | TRAFFIC |
| 4 | THAA | THAI AIRWAYS INTERNATIONAL LTD | | | SCAC4 |
| 5 | THAB | TRANSPORTES HERNANDEZ | | | SCAC4 |
| 6 | THAD | TRANSPORT HALDARO INC | | | SCAC4 |
| 7 | THAE | THERMO BOND BUILDINGS INC | | | SCAC4 |
| 8 | THAG | TRANSPORTES HALCON | | | SCAC4 |
| 9 | THAH | THOMAS & HOWARD COMPANY OF HICKORY | | | SCAC3 |
| 10 | THAH | TRANSPORTES HERRERA | | | SCAC4 |
| 11 | THAI | THRASHER TRUCKING | | | SCAC3 |
| 12 | THAI | TRANSPORTES CHAIDES | | | SCAC4 |
| 13 | THAI | Royal Thai Army | | T | TRAFFIC |
| 14 | THAJ | THOMAS, A J & SONS INC | | | SCAC3 |
| 15 | THAK | THIEBAUD AND STEINACHER TRUCKING | | | SCAC3 |
| 16 | THAL | THORNE, AL TRANSPORT | | | SCAC3 |
| 17 | THAL | Thalys | | F | TRAFFIC |
| 18 | THAM | THAMES SALES YARD LTD | | | SCAC4 |
| 19 | THAM | Thamesway Buses | | GB | TRAFFIC |
| 20 | THAN | THREE AMIGOS SEAFOODS LTD | | | SCAC4 |
| 21 | THAP | THOMAS PETROLEUM | | | SCAC4 |
| 22 | THAR | THAMES RIVER MELONS LTD | | | SCAC4 |
| 23 | THAS | THRONE AUTO SERVICE, INC | | | SCAC3 |
| 24 | THAS | THASOS SHIPPING CO LTD | | | SCAC4 |
| 25 | THAT | THOMAS, AL, TRUCKING, INC | | | SCAC3 |
| 26 | THAT | THOMAS, AL TRUCKING INC | | | SCAC4 |
| 27 | THAU | CHONGQING TONGHUI GAS CO., LTD. | | PRC | BIC |
| 28 | THAU | TEKKOSHA HELLAS S.A.I. | | | SCAC3 |
| 29 | THAU | TEKKOSHA HELLAS S.A.I. | | | SCAC4 |
| 30 | THAV | T & H TRUCKING SERVICES INC | | | SCAC4 |
| 31 | THAW | THOMAS & WATSON TRUCKING | | | SCAC3 |
| 32 | THAW | THREE SSS GROUP LIMITED | | | SCAC4 |
| 33 | THAX | THARALDSON ETHANOL PLANT I LLC | | | SCAC4 |
| 34 | THAY | THAYERS WESTBORO & BOSTON EXPRESS, | | | SCAC3 |
| 35 | THAZ | THOMPSON HARDWOOD | | | PWRC |
