| Hephae Global Limited | | Live |
| Hephae Trading (Hong Kong) Limited | | Live |
| Hephaes Limited | Private company limited by shares | Live |
| Hephaes Engineering Limited | | Live |
| Hephaestus Limited | Private company limited by shares | Live |
| Hephaestus Commodity Trade Limited | Private company limited by shares | Live |
| HEPHAESTUS INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| HEPHAESTUS INVESTMENT HK LIMITED | Private company limited by shares | Live |
| Hephaistos Limited | Private company limited by shares | Live |
| HEPHAISTOS STUDIO LIMITED | Private company limited by shares | Live |
| HEPHASE PVD COATING TECHNOLOGY CO., LIMITED | Private company limited by shares | Dissolved |