| Adaman HK Limited | | Live |
| ADAMANCY ENTERPRISE INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| ADAMAND Group Limited | | Live |
| ADAMANT LIMITED | Private company limited by shares | Dissolved |
| ADAMANT LIMITED | Private company limited by shares | Live |
| Adamant Limited | | Live |
| ADAMANT ENTERPRISE LIMITED | Private company limited by shares | Dissolved |
| HK ADAMANT TECHNOLOGY LIMITED | Private company limited by shares | Live |
| ADAMANTINE LIMITED | Private company limited by shares | Dissolved |
| ADAMANTINE LIMITED | Private company limited by shares | Dissolved |