| HIGHMAX LIMITED | Private company limited by shares | Live |
| HIGHMAX MINERALS CO., LIMITED | Private company limited by shares | Live |
| HIGHMAX CORPORATION LIMITED | Private company limited by shares | Live |
| GOLD HIGHMAX LIMITED | Private company limited by shares | Live |
| HIGHMAX INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| HIGHMAX INTERNATIONAL LIMITED | Private company limited by shares | Live |
| HIGHMAX INVESTMENTS LIMITED | Private company limited by shares | Live |
| HIGHMAX TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |