| HYBO MARINE ENGINEERING CO., LIMITED | Private company limited by shares | Live |
| Hybo Network Technology Co., Limited | | Live |
| HONGKONG HYBO PETROLEUM DEVELOPMENT CO., LIMITED | Private company limited by shares | Live |
| HYBO INTERNATIONAL CO., LIMITED | Private company limited by shares | Live |
| Hybo Servicing Limited | Private company limited by shares | Live |
| HYBO SHIPPING LIMITED | Private company limited by shares | Live |
| HYBO TECHNOLOGIES LIMITED | Private company limited by shares | Dissolved |
| HYBONIA LIMITED | Private company limited by shares | Live |
| HYBORE (CHINA) LIMITED | Private company limited by shares | Live |
| HYBORE MARINE (CHINA) LIMITED | Private company limited by shares | Live |
| Hybotic Limited | Private company limited by shares | Live |