| Threepence Limited | Private company limited by shares | Live |
| Threepinnacle Limited | Private company limited by shares | Live |
| THREE-POINT BUSINESS INTERNATIONAL GROUP CO., LIMITED | Private company limited by shares | Dissolved |
| THREEPY'S LIMITED | Private company limited by shares | Dissolved |
| THREEQUARTER LAB LIMITED | Private company limited by shares | Live |
| THREE'S COMPANY LIMITED | Private company limited by shares | Dissolved |
| THREE'S ARCHITECTS LIMITED | Private company limited by shares | Live |
| THREE'S ENTERPRISE LIMITED | Private company limited by shares | Dissolved |
| Threesep Limited | Private company limited by shares | Live |
| ThreeSides Limited | Private company limited by shares | Live |
| Threesis Limited | Private company limited by shares | Live |
| Threesome Limited | Private company limited by shares | Live |
| Threesome Technology Co, Limited | | Live |
| Threesome-thing Company Limited | Private company limited by shares | Live |
| HONG KONG THREE-STAR ELECTRON INDUSTRY LIMITED | Private company limited by shares | Dissolved |
| THREE-T GROUP (HONG KONG) INDUSTRIAL COMPANY LIMITED | Private company limited by shares | Dissolved |
| three/tales Limited | Private company limited by shares | Live |
| Threetech (Hongkong) Co., Limited | Private company limited by shares | Live |
| THREETEK GROUP LIMITED | Private company limited by shares | Live |
| THREETEK TECHNOLOGY GROUP LIMITED | | Live |
| THREETEK INDUSTRIAL (HK) CO., LIMITED | Private company limited by shares | Live |
| THREETEK HONG KONG LIMITED | Private company limited by shares | Live |
| ThreeTinyDuck Limited | | Live |
| THREETOP INTERNATIONAL (HK) CO., LIMITED | Private company limited by shares | Live |
| THREETOP DESIGN ENGINEERING LIMITED | Private company limited by shares | Live |
| Threetree International Limited | | Live |
| HongKong Threeup Mold Fittings Co., Limited | Private company limited by shares | Live |
| THREEVIC TECHNOLOGY MATERIAL LIMITED | Private company limited by shares | Live |
| THREEWATER LIMITED | | Live |
| THREEWELL INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| Qingdao Threewin Jewelry Co., Limited | Private company limited by shares | Live |
| SHANGHAI THREE-WING PUMP INDUSTRY LIMITED | Private company limited by shares | Live |
| THREEWOOOD COMPANY LIMITED | Private company limited by shares | Dissolved |
| THREE-YEAR M.B.A. ( C.U.H.K. ) ASSOCIATION LIMITED - THE - | Company limited by guarantee | Live |
| Threezone Cleaning Company Limited | Private company limited by shares | Live |
| THRELFOLK COMPANY LIMITED | Private company limited by shares | Dissolved |
| Threo Co. Limited | Private company limited by shares | Live |
| THRESHOLD LIMITED | Private company limited by shares | Live |
| Threshold of Era Company Limited | Private company limited by shares | Live |
| THRESHOLD CONSULTANTS LIMITED | Private company limited by shares | Live |
| Threshold Global Limited | Private company limited by shares | Live |
| THRESHOLD INTERNATIONAL LIMITED | Private company limited by shares | Live |
| Threshold International Trading Co., Limited | | Live |
| THRESHOLD INVESTMENT LIMITED | Private company limited by shares | Live |
| SINO THRESHOLD LIMITED | Private company limited by shares | Live |
| SYDNEY THRESHOTEK (HONGKONG) LIMITED | Private company limited by shares | Live |
| EVER THREVE LIMITED | Private company limited by shares | Dissolved |