| THREE33 LIMITED | | Live |
| THREE-73 (H.K.) LIMITED | Private company limited by shares | Live |
| three8nine Limited | Private company limited by shares | Live |
| Three8s Limited | Private company limited by shares | Live |
| THREE-A LIMITED | Private company limited by shares | Live |
| THREEBIES LIMITED | Private company limited by shares | Live |
| PTI THREEBOND HONG KONG CO., LIMITED | Private company limited by shares | Live |
| THREEBOOKS LIMITED | Private company limited by shares | Live |
| THREEBROS INVESTMENT COMPANY LIMITED | Private company limited by shares | Dissolved |
| Threebs HK Limited | Private company limited by shares | Live |
| THREEBUDDY TECHNOLOGY LIMITED | | Live |
| Threebyone Limited | | Live |
| THREECO TRADING CO., LIMITED | Private company limited by shares | Dissolved |
| THREECONN COMPANY LIMITED | Private company limited by shares | Live |
| ThreeCube Limited | Private company limited by shares | Dissolved |
| CHINA THREE-D CAPITAL MANAGEMENT LIMITED | Private company limited by shares | Live |
| THREE-DIMENSIONS INTERNATIONAL (HK) CO., LIMITED | Private company limited by shares | Dissolved |
| Threedom Company Limited | Private company limited by shares | Dissolved |
| THREEDOM LIMITED | Private company limited by shares | Live |
| Threedoms Limited | Private company limited by shares | Live |
| THREEE ATELIER LIMITED | Private company limited by shares | Live |
| Three-E (Europe-Asia) Company Limited | Private company limited by shares | Live |
| THREE-EXCELLENT HEAVY INDUSTRY GROUP CO., LIMITED | Private company limited by shares | Live |
| THREE-EXCELLENT INTERNATIONAL TRADE (HK) CO., LIMITED | Private company limited by shares | Live |
| THREEFOLD LIMITED | Private company limited by shares | Live |
| Threegem Capital Limited | Private company limited by shares | Live |
| THREEGON ENTERPRISES (CHINA) LIMITED | Private company limited by shares | Live |
| CHINA THREE-GORGES CONSTRUCTION AND INVESTMENT COMPANY LIMITED | Private company limited by shares | Dissolved |
| ThreeH LIMITED | Private company limited by shares | Live |
| THREE-LEAF INDUSTRY CO., LIMITED | Private company limited by shares | Live |
| TAIWAN THREELEAF MOTORCYCLE CO., LIMITED | Private company limited by shares | Dissolved |
| threeMasks INTERNATIONAL LIMITED | Private company limited by shares | Live |
| THREEMEN LIMITED | Private company limited by shares | Dissolved |
| THREEMEN DEVELOPMENT LIMITED | Private company limited by shares | Dissolved |
| THREEMEN GROUP LIMITED | Private company limited by shares | Live |
| THREEMEN INDUSTRY (H.K.) COMPANY LIMITED | Private company limited by shares | Live |
| THREEMEN INDUSTRY (HK) DEVELOPMENT CO., LIMITED | Private company limited by shares | Live |
| THREEMEN INDUSTRIAL LIMITED | Private company limited by shares | Dissolved |
| THREEMEN INDUSTRIAL CO., LIMITED | Private company limited by shares | Live |
| Threemobi Limited | | Live |
| HONG KONG NEWEVER THREEN CO. LIMITED | Private company limited by shares | Dissolved |
| HONG KONG THREE-NINE PROPERTY DEV. LIMITED | Private company limited by shares | Dissolved |
| THREENITI LIMITED | Private company limited by shares | Live |
| THREE-NORTH CO., LIMITED | Private company limited by shares | Live |
| THREEO (HK) LIMITED | Private company limited by shares | Dissolved |
| THREEOAKBARRELS LIMITED | Private company limited by shares | Live |
| Three-O-Deco Company Limited | Private company limited by shares | Dissolved |
| Threeothree Catering Limited | Private company limited by shares | Live |
| ThreePassionsLab Limited | Private company limited by shares | Live |
| 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 |