| Hong Kong Hybribio Limited | Private company limited by shares | Live |
| HYBRID LIMITED | Private company limited by shares | Live |
| HYBRID PTY LIMITED | Private company limited by shares | Live |
| PS HYBRID LIMITED | Private company limited by shares | Live |
| Hybrid Enterprise Limited | Private company limited by shares | Live |
| Hybrid Entertainment Company Limited | Private company limited by shares | Dissolved |
| Hybrid Fitness Limited | Private company limited by shares | Live |
| GREEN HYBRID CO., LIMITED | Private company limited by shares | Live |
| Hybrid Innovation Limited | Private company limited by shares | Live |
| HYBRID INVESTMENTS LIMITED | | Live |
| HYBRID LEARNING OCEAN LIMITED | | Live |
| KAM HYBRID POWER LIMITED | Private company limited by shares | Live |
| HYBRID RESEARCH COMPANY LIMITED | Private company limited by shares | Live |
| Hybrid Rider Asia Limited | Private company limited by shares | Live |
| WINDSOR HYBRID LIMITED | | Live |
| HybridBlock Limited | Private company limited by shares | Live |
| Hybrid-D Investment Company Limited | Private company limited by shares | Dissolved |
| HYBRIDEO LIMITED | Private company limited by shares | Dissolved |
| Hybridex Global Limited | Private company limited by shares | Live |
| HybridLab Limited | Private company limited by shares | Live |
| HybridRice Innovation Limited | | Live |
| HybridSec Limited | Private company limited by shares | Live |
| Hybridserver Limited | Private company limited by shares | Live |
| HybridTech Limited | Private company limited by shares | Live |
| HYBRINET LIMITED | Private company limited by shares | Live |
| THE HYBRIS COMPANY LIMITED | | Live |
| HYBRO INTERNATIONAL (H.K.) LIMITED | Private company limited by shares | Dissolved |
| HYBRON HOLDING LIMITED | Private company limited by shares | Live |
| HYBT PTE LIMITED | Private company limited by shares | Live |
| HYBY LIMITED | Private company limited by shares | Live |
| H.Y.C TECHNOLOGY LIMITED | Private company limited by shares | Live |
| GUANGZHOU HYCAN IMP.& EXP. CORP., LIMITED | Private company limited by shares | Live |
| Hycan Intelligent Technology Limited | | Live |
| HYCAST Company Limited | Private company limited by shares | Live |
| HYCBT LIMITED | Private company limited by shares | Live |
| HYCC TEX LIMITED | Private company limited by shares | Live |
| HYCE Trading Limited | Private company limited by shares | Live |
| HYCENT INDUSTRY LIMITED | Private company limited by shares | Dissolved |
| Hk Hycent International Trade Limited | | Live |
| HYCHAO RESOURCE COMPANY LIMITED | Private company limited by shares | Dissolved |
| HYCHERRY Limited | | Live |
| HYCKS LIMITED | Private company limited by shares | Live |
| HYCLASS INTERNATIONAL INC. LIMITED | Private company limited by shares | Live |
| HYClub Limited | Private company limited by shares | Live |
| HYCM HK LIMITED | Private company limited by shares | Live |
| HYCNG GROUP LIMITED | Private company limited by shares | Dissolved |
| HYCO GROUP LIMITED | Private company limited by shares | Live |
| HYCOLT COMPANY LIMITED | Private company limited by shares | Dissolved |
| HYCOMM TECHNOLOGY COMPANY LIMITED | Private company limited by shares | Live |
| Hycon Research Limited | Private company limited by shares | Live |
| HYconn Technology Co., Limited | Private company limited by shares | Live |
| H.Y.Consulting Co., Limited | Private company limited by shares | Live |
| Hycor Biomedical Limited | Private company limited by shares | Live |
| HYCROFT (NOMINEE) COMPANY LIMITED | Private company limited by shares | Live |
| HYDA CONSULTANCY LIMITED | Private company limited by shares | Live |
| HYDA GEMS LIMITED | Private company limited by shares | Live |
| HYDA HONGKONG LIMITED | Private company limited by shares | Live |
| QINGDAO HYDA INDUSTRIAL CO., LIMITED | Private company limited by shares | Live |
| HYDA INTERNATIONAL TRADING LIMITED | Private company limited by shares | Live |
| HYDA TRADE LIMITED | | Live |
| ZHEJIANG HYDA VALVE COMPANY LIMITED | Private company limited by shares | Live |
| HYDAA TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| HYDAA INTERNATIONAL CO LIMITED | Private company limited by shares | Live |
| HYDAC TECHNOLOGY (HONG KONG) LIMITED | Private company limited by shares | Live |
| HONG KONG HYDAI ARCHITECTS LIMITED | Private company limited by shares | Live |
| Hydart Power Engineering Company Limited | Private company limited by shares | Live |
| HYDD LIMITED | | Live |
| NEW HYDE COMPANY LIMITED | Private company limited by shares | Live |
| HYDE COMPANY LIMITED | Private company limited by shares | Dissolved |
| HYDE LIMITED | Private company limited by shares | Live |
| HYDE WIN LIMITED | Private company limited by shares | Live |
| HYDE WAY LIMITED | Private company limited by shares | Dissolved |
| HYDE ONE LIMITED | Private company limited by shares | Live |
| Hyde st. Limited | | Live |
| ANHUI HYDE GROUP CO., LIMITED | Private company limited by shares | Live |
| HYDE BEST LIMITED | Private company limited by shares | Live |
| HYDE CENTRE LIMITED | Private company limited by shares | Dissolved |
| China Ruxin Hyde Group Co., Limited | | Live |
| HYDE ENTERPRISES LIMITED | Private company limited by shares | Live |
| Esta Hyde Limited | | Live |
| HYDE FINANCE LIMITED | Private company limited by shares | Dissolved |
| HYDE FORD LIMITED | Private company limited by shares | Dissolved |
| Hyde Innovation Limited | | Live |
| HYDE INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| HYDE INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| HYDE SHIPMANAGEMENT LIMITED | | Live |
| HYDE SHIPPING LIMITED | | Live |
| IRELAND HYDECO BIOSCIENCES LIMITED | | Live |
| HYDEE DESIGN LIMITED | Private company limited by shares | Dissolved |
| HYDEE DEVELOPMENT LIMITED | Private company limited by shares | Dissolved |
| Hydee International Limited | Private company limited by shares | Live |
| HYDEFIELD LIMITED | Private company limited by shares | Dissolved |
| HYDEGATE REALTY LIMITED | Private company limited by shares | Dissolved |
| Hyde-Group International Trade Co., Limited | | Live |
| HYDEL LIMITED | | Live |
| HYDEL OVERSEAS (HONG KONG) LIMITED | Private company limited by shares | Live |
| Hydeland Limited | Private company limited by shares | Live |
| HONG KONG HYDE-LUDE FERTILISERS LIMITED | Private company limited by shares | Dissolved |
| Hydensky Group Limited | Private company limited by shares | Live |
| Hydepark International Limited | Private company limited by shares | Live |