| HIGHTEK OPTOELECTRONIC LIMITED | Private company limited by shares | Live |
| HK Hightek Trading Limited | Private company limited by shares | Live |
| HIGHTER INDUSTRIAL CO., LIMITED | Private company limited by shares | Live |
| New Highter Industrial Co., Limited | Private company limited by shares | Live |
| HIGHTEST Semiconductor Technology Co., Limited | Private company limited by shares | Live |
| HIGHTEX LIMITED | Private company limited by shares | Dissolved |
| HIGH-TEX COMPANY LIMITED | Private company limited by shares | Dissolved |
| Hightex Limited | Private company limited by shares | Live |
| HIGHTEX DEVELOPMENT LIMITED | Private company limited by shares | Dissolved |
| HIGHTEX DEVELOPMENT LIMITED | Private company limited by shares | Dissolved |
| HIGHTEX DEVELOPMENT LIMITED | Private company limited by shares | Live |
| HIGHTEX (HONGKONG) CO., LIMITED | Private company limited by shares | Live |
| Hightex Industries Limited | Private company limited by shares | Live |
| HIGHTEX INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| HIGHTEX INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| HIGHTEX INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| NANJING HIGHTEX LIMITED | Private company limited by shares | Live |
| HIGHTEX TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| HIGHTEX TIME LIMITED | Private company limited by shares | Dissolved |
| HIGHTIDE TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| HIGHTIDE DEVELOPMENT LIMITED | Private company limited by shares | Dissolved |
| HIGHTIDE (HK) CO., LIMITED | Private company limited by shares | Live |
| HighTide Therapeutics (Hong Kong) Limited | Private company limited by shares | Live |
| HIGHTIDE INDUSTRIAL LIMITED | Private company limited by shares | Dissolved |
| HIGHTIDE INTERNATIONAL DEVELOPMENT LIMITED | Private company limited by shares | Dissolved |
| HIGHTIDE INTERNATIONAL (HK) LIMITED | Private company limited by shares | Live |
| HIGHTIDE TRANSPORTATION COMPANY LIMITED | Private company limited by shares | Dissolved |
| HIGHTIGER LIMITED | Private company limited by shares | Live |
| HIGHTON LIMITED | Private company limited by shares | Dissolved |
| HIGHTON LIMITED | Private company limited by shares | Live |
| HIGHTON INVESTMENT LIMITED | Private company limited by shares | Live |
| HIGHTONE PUBLISHING LIMITED | Private company limited by shares | Live |
| High-Toned Opto Technology (Hong Kong) Limited | Private company limited by shares | Live |
| HIGHTOP COMPANY LIMITED | Private company limited by shares | Dissolved |
| HIGHTOP LIMITED | Private company limited by shares | Dissolved |
| HIGHTOP TOOL CO., LIMITED | Private company limited by shares | Live |
| HIGHTOP ENTERPRISES LIMITED | Private company limited by shares | Live |
| NEW HIGHTOP ENTERPRISES LIMITED | Private company limited by shares | Live |
| HK HIGH-TOP HOLDING GROUP LIMITED | Private company limited by shares | Dissolved |
| HIGHTOP GROUP INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| HIGHTOP INDUSTRIAL LIMITED | Private company limited by shares | Live |
| HK HIGHTOP INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| HIGHTOP INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| HIGHTOP METAL LIMITED | Private company limited by shares | Dissolved |
| HIGHTOP OVERSEAS LIMITED | Private company limited by shares | Live |
| HIGHTOP PROPERTIES LIMITED | Private company limited by shares | Dissolved |
| HIGHTOP TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| HIGHTOP TRADING LIMITED | Private company limited by shares | Dissolved |
| HIGHTOP TRADING LIMITED | Private company limited by shares | Dissolved |
| HIGHTOP ELECTRONICS TRADING LIMITED | Private company limited by shares | Dissolved |
| HIGHTOP OCEAN TRADING COMPANY LIMITED | Private company limited by shares | Dissolved |
| HIGHTOUCH LIMITED | Private company limited by shares | Live |
| HIGHTECH AND HIGH-TOUCH LIMITED | Private company limited by shares | Live |
| HIGHTOUCH TECHNOLOGY COMPANY LIMITED | Private company limited by shares | Live |
| Hightower HK Limited | | Live |
| Hightower Investments Co., Limited | Private company limited by shares | Live |
| Hightower Asia Pacific Limited | Private company limited by shares | Live |
| HIGHTOWER TRADING LIMITED | Private company limited by shares | Live |
| HIGHTOWN ESTATES LIMITED | Private company limited by shares | Dissolved |
| ITALY HIGHTOWN INTERNATIONAL LIMITED | Private company limited by shares | Live |
| HightPeak Co., Limited | | Live |
| HighTrack International (Hong Kong) Technology Limited | Private company limited by shares | Live |
| HIGHTRAX LIMITED | Private company limited by shares | Dissolved |
| HIGHTREND COMPANY LIMITED | Private company limited by shares | Live |
| HIGHTREND DEVELOPMENT LIMITED | Private company limited by shares | Dissolved |
| HIGHTREND DEVELOPMENT LIMITED | Private company limited by shares | Live |
| HIGHTREND INTERNATIONAL LIMITED | Private company limited by shares | Live |
| HIGHTREND RESOURCES LIMITED | Private company limited by shares | Live |
| HIGHTRUTH LIMITED | Private company limited by shares | Live |
| HIGHTRY ELECTRONICS LIMITED | Private company limited by shares | Dissolved |
| HIGHT&WELL TRADE (HK) LIMITED | Private company limited by shares | Live |
| HIGHT-WIT LIMITED | Private company limited by shares | Dissolved |
| HIGHU COMPANY LIMITED | Private company limited by shares | Live |
| HIGH-UNI INDUSTRIAL LIMITED | | Live |
| HIGHUNION INDUSTRIAL CO., LIMITED | | Live |
| HIGH-UNITED CO. LIMITED | Private company limited by shares | Dissolved |
| HIGHVALE LIMITED | Private company limited by shares | Dissolved |
| HIGHVAST LIMITED | Private company limited by shares | Dissolved |
| HIGHVENTURES CORPORATION LIMITED | Private company limited by shares | Live |
| HighVertex Limited | Private company limited by shares | Live |
| HIGHVIEW LIMITED | Private company limited by shares | Dissolved |
| HIGHVIEW LIMITED | Private company limited by shares | Dissolved |
| HIGHVIEW LIMITED | Private company limited by shares | Live |
| HIGHVIM COMPANY LIMITED | Private company limited by shares | Dissolved |
| HIGHVIZ INDUSTRIAL CO., LIMITED | Private company limited by shares | Live |
| HIGHWALL DEVELOPMENT LIMITED | Private company limited by shares | Dissolved |
| Highwall International Limited | | Live |
| HIGH-WARES TRADING COMPANY LIMITED | Private company limited by shares | Dissolved |
| HIGHWATER COMPANY LIMITED | Private company limited by shares | Dissolved |
| HIGHWATER LIMITED | | Live |
| HIGH-WATER LOGISTIC CO., LIMITED | Private company limited by shares | Live |
| HIGHWAY MAN COMPANY LIMITED | Private company limited by shares | Dissolved |
| HIGHWAY LIMITED | Private company limited by shares | Live |
| HIGHWAY ONE & COMPANY LIMITED | Private company limited by shares | Live |
| CYBER HIGHWAY LIMITED | Private company limited by shares | Dissolved |
| DIGITAL HIGHWAY LIMITED | Private company limited by shares | Live Commenced dormancy on 10-Aug-1993 |
| EASTERN HIGHWAY LIMITED | Private company limited by shares | Live |
| HIGHWAY ENTERPRISE LIMITED | Private company limited by shares | Dissolved |
| HIGHWAY ENTERPRISE LIMITED | Private company limited by shares | Live |
| HIGHWAY ENTERPRISES LIMITED | Private company limited by shares | Dissolved |