| THAILINK LIMITED | Private company limited by shares | Dissolved |
| THAI-LONG INVESTMENTS LIMITED | Private company limited by shares | Live |
| THAILWELL COMPANY LIMITED | Private company limited by shares | Dissolved |
| THAIMA LIMITED | Private company limited by shares | Live |
| THAIMATIC LIMITED | Private company limited by shares | Live |
| THAIMCSUN LIMITED | Private company limited by shares | Live |
| Thaime Limited | | Live |
| ThaiMeke Limited | Private company limited by shares | Live |
| THAIMEX LIMITED | Private company limited by shares | Dissolved |
| Thai-MM Limited | Private company limited by shares | Live |
| THAIMORE COMMUNICATION CO., LIMITED | Private company limited by shares | Dissolved |
| THAINAZE LIMITED | Private company limited by shares | Live |
| THAINOVA COMPANY LIMITED | Private company limited by shares | Live |
| THAI-PEARL INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| THAIPENG INDUSTRY CO., LIMITED | Private company limited by shares | Live |
| THAIPOR LIMITED | Private company limited by shares | Live |
| Thairealamulets Limited | Private company limited by shares | Live |
| THAIRLWALL ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| THAI'S & MACAU RESTAURANT COMPANY LIMITED | Private company limited by shares | Live |
| THAI'S RESTAURANT LIMITED | Private company limited by shares | Live |
| THAI'S SWEETMEATS LIMITED | Private company limited by shares | Live |
| THAISAENGDEE INDUSTRY CO., LIMITED | Private company limited by shares | Dissolved |
| THAI-SALER LIMITED | Private company limited by shares | Dissolved |
| Thaisenob Hong Kong Co., Limited | Private company limited by shares | Live |
| THAI-SHELL LIMITED | Private company limited by shares | Dissolved |
| THAISHOP COMPANY LIMITED | Private company limited by shares | Dissolved |
| THAI-SIGNAL COMPANY LIMITED | Private company limited by shares | Dissolved |
| Thaismile Limited | | Live |
| Thaismile Group Limited | | Live |
| Thaister Industrial Limited | Private company limited by shares | Live |
| Thaistick Limited | Private company limited by shares | Live |
| Thaisun Shoes Limited | Private company limited by shares | Live |
| THAITAT INVESTMENT (HONG KONG) LIMITED | Private company limited by shares | Live |
| THAITEX GROUP LIMITED | Private company limited by shares | Dissolved |
| THAITON LIMITED | Private company limited by shares | Dissolved |
| THAI-TRADER LIMITED | Private company limited by shares | Dissolved |
| THAITRONIC-MATRIX CO. LIMITED | Private company limited by shares | Dissolved |
| THAITURE TECHNOLOGY (HK) CO., Limited | Private company limited by shares | Live |
| THAI-UNION EXPORT COMPANY, LIMITED | Private company limited by shares | Dissolved |
| THAI-UNION INVESTMENTS LIMITED | Private company limited by shares | Live |
| THAI-UNION TRADING COMPANY, LIMITED | Private company limited by shares | Dissolved |
| Check In ThaiViet Limited | | Live |
| THAIVIET SALES COMPANY LIMITED | Private company limited by shares | Dissolved |
| BONDEX THAIWA SUPPLY CHAIN CO., LIMITED | Private company limited by shares | Live |
| SAINT THAIWA INDUSTRIAL CO., LIMITED | Private company limited by shares | Live |
| THAIWAN CO., LIMITED | Private company limited by shares | Live |
| THAIWAN TOO CO., LIMITED | Private company limited by shares | Live |
| THAIWAY LIMITED | Private company limited by shares | Dissolved |
| THAIWELL LIMITED | Private company limited by shares | Dissolved |
| THAIWELL ENGINEERING LIMITED | Private company limited by shares | Live |
| THAIWIN ASIA LIMITED | Private company limited by shares | Dissolved |
| THAIWIN INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| Hong Kong Thaiwongdian Group Company Limited | Private company limited by shares | Live |
| Thaiwoo (Hongkong) Co., Limited | | Live |
| Thaiwoo Investment Company Limited | Private company limited by shares | Live |
| THAIYAMMY LIMITED | Private company limited by shares | Live |
| Thaiyin International Investment Limited | Private company limited by shares | Live |
| THAIYON ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| Asia ThaiYuan Asset Investments Co., Limited | Private company limited by shares | Live |
| Thaiztore Limited | Private company limited by shares | Live |
| Thaiztore Limited | | Live |
| THAKARSHI ENTERPRISE LIMITED | Private company limited by shares | Live |
| THAKEN COMPANY LIMITED | Private company limited by shares | Dissolved |
| THAKRAL ASIA LIMITED | Private company limited by shares | Live |
| THAKRAL BROTHERS (CHINA) LIMITED | Private company limited by shares | Live |
| THAKRAL INVESTMENTS LIMITED | Private company limited by shares | Live |
| THAKRAL CAPITAL INVESTMENTS LIMITED | Private company limited by shares | Live |
| THAKRAL LAND (CHINA) LIMITED | Private company limited by shares | Dissolved |
| THAKRAL VIETNAM LIMITED | Private company limited by shares | Dissolved |
| THAKSIN LIMITED | Private company limited by shares | Live |
| THAKURI LIMITED | Private company limited by shares | Live |
| Thalaatha Limited | Private company limited by shares | Live |
| THALASIA INVESTMENT CO., LIMITED | Private company limited by shares | Live |
| THALASSA COMPANY LIMITED | Private company limited by shares | Live |
| THALASSEMIA CARE ASSOCIATION LIMITED | Company limited by guarantee | Live |
| THALEOS LIMITED | Private company limited by shares | Live |
| Thaler Limited | Private company limited by shares | Live |
| THALER ASIA LIMITED | Private company limited by shares | Dissolved |
| THALER MONEY-EXCHANGE LIMITED | Private company limited by shares | Dissolved |
| THALER SCIENTIFIC LIMITED | Private company limited by shares | Live |
| Thales & Co. Limited | Private company limited by shares | Live |
| Thales & Blake Global Consulting Limited | Private company limited by shares | Live |
| NEW THALES TRADE CO., LIMITED | Private company limited by shares | Live |
| Thales Hong Kong Group Co., Limited | Private company limited by shares | Live |
| Thales Hong Kong Limited | Private company limited by shares | Live |
| THALES INTERNATIONAL LIMITED | Private company limited by shares | Live |
| THALES KITCHEN LIMITED | | Live |
| Thales Medtech Limited | | Live |
| MILLEY THALES LIMITED | | Live |
| Thales Pharmaceuticals Limited | Private company limited by shares | Live |
| THALES TRANSPORT & SECURITY (HONG KONG) LIMITED | Private company limited by shares | Live |
| Thales Technologies and Instruments Co., Limited | Private company limited by shares | Live |
| THALES TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| THALES DYNASTY TRADING LIMITED | Private company limited by shares | Live |
| THALES TRADING SOLUTIONS LIMITED | Private company limited by shares | Live |
| THALEZ TECHNOLOGIES GROUP LIMITED | Private company limited by shares | Live |
| THALGO (CHINA) LIMITED | Private company limited by shares | Dissolved |
| THALIA COMPANY LIMITED | Private company limited by shares | Dissolved |
| Thalia Limited | Private company limited by shares | Live |
| Thaliafood Limited | Private company limited by shares | Live |