| THORNTON TOMASETTI GROUP LIMITED -THE- | Private company limited by shares | Live |
| Thornton Trading Limited | Private company limited by shares | Live |
| THORNVIEW CONSULTANT (HK) COMPANY LIMITED | Private company limited by shares | Live |
| THORNVILLE COMPANY LIMITED | Private company limited by shares | Dissolved |
| THORNWAY LIMITED | Private company limited by shares | Dissolved |
| THORNWELL LIMITED | Private company limited by shares | Live |
| THORNWIN ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| THORNWIN INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| THORNWOOD LIMITED | Private company limited by shares | Dissolved |
| THORNWOOD INTERNATIONAL LIMITED | Private company limited by shares | Live |
| THOROGOOD ESTATES LIMITED | Private company limited by shares | Live |
| THOROLD COMPANY LIMITED | Private company limited by shares | Dissolved |
| THORON (ARCHI-PRODUCTS) LIMITED | Private company limited by shares | Dissolved |
| Thoron Consulting Limited | Private company limited by shares | Live |
| THORON (HONG KONG) LIMITED | Private company limited by shares | Live |
| THORON (KERAMIK) LIMITED | Private company limited by shares | Live |
| THORON X-CALIBUR LIMITED | Private company limited by shares | Live |
| THORONDOR LIMITED | Private company limited by shares | Dissolved |
| THOROUGHBRED AGENCIES (H.K.) LIMITED | Private company limited by shares | Dissolved |
| THOROUGHBRED COMMUNICATIONS LIMITED | Private company limited by shares | Dissolved |
| Thoroughbred International Group Co., Limited | Private company limited by shares | Live |
| HONG KONG THOROUGHBRED BREEDERS' ALLIANCE LIMITED | | Live |
| THOROUGHBRED DOG AND PETS HOTEL LIMITED | Private company limited by shares | Dissolved |
| NEW THOROUGHBRED INVESTMENT COMPANY LIMITED | Private company limited by shares | Dissolved |
| ASIA PACIFIC THOROUGHBRED INVESTMENTS LIMITED | Private company limited by shares | Live |
| Raptors Thoroughbred HK Limited | | Live |
| THOROUGHBRED ICLOUD TECHNOLOGY COMPANY LIMITED | Private company limited by shares | Live |
| Teng Long Thoroughbred Limited | Private company limited by shares | Live |
| THOROUGHBRED INVESTMENTS & TRADING STRATEGIES LIMITED | Private company limited by shares | Live |
| ASIAN THOROUGHBREDS LIMITED | Private company limited by shares | Dissolved |
| FAR EASTERN THOROUGHBREDS LIMITED | Private company limited by shares | Dissolved |
| THOROUGHFARE LIMITED | | Live |
| Thoroughly Integrated Investment Limited | | Live |
| THORPE MANOR DEVELOPMENT LIMITED | Private company limited by shares | Dissolved |
| THORPE TECHNOLOGY (H.K.) PRINTING EQUIPMENT LIMITED | Private company limited by shares | Dissolved |
| THORPE HOLDINGS LIMITED | Private company limited by shares | Dissolved |
| THORPE BUSINESS SYSTEM (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| GOLD THORPE INDUSTRIAL LIMITED | Private company limited by shares | Live |
| THORPE MARKETERS INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| THORPE PINE LIMITED | Private company limited by shares | Dissolved |
| THORPE ARCH TRADING COMPANY LIMITED | Private company limited by shares | Dissolved |
| THORPEDGE INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| THORPODIA LIMITED | Private company limited by shares | Dissolved |
| THORRENCE LIMITED | Private company limited by shares | Live |
| Thorsdale Pte Limited | Private company limited by shares | Live |
| Thorshine Industrial Limited | Private company limited by shares | Live |
| Thorslink Technology Limited | | Live |
| Thorson smart technology Limited | | Live |
| THORTON COMPANY LIMITED | Private company limited by shares | Dissolved |
| THORVIEW LIMITED | Private company limited by shares | Dissolved |
| THORWIN INDUSTRIAL LIMITED | Private company limited by shares | Dissolved |