| HIGHBOARD LIMITED | Private company limited by shares | Dissolved |
| HIGHBODY COMPANY LIMITED | Private company limited by shares | Dissolved |
| HIGHBORN COMPANY LIMITED | Private company limited by shares | Dissolved |
| HIGHBORN ADVERTISING COMPANY LIMITED | Private company limited by shares | Dissolved |
| HIGH-BORN INVESTMENT LIMITED | Private company limited by shares | Live |
| HIGHBORN INTERNATIONAL INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| ROYAL HIGHBORN INTERNATIONAL CO., LIMITED | Private company limited by shares | Live |
| TAMRAC HIGHBORN INDUSTRY LIMITED | Private company limited by shares | Dissolved |
| HIGHBORN TECHNOLOGY (HK) CO., LIMITED | Private company limited by shares | Dissolved |