| AMPEX LIMITED | Private company limited by shares | Dissolved |
| AMPEX LIMITED | Private company limited by shares | Dissolved |
| AMPEX INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| ORIENTAL AMPEX LIMITED | Private company limited by shares | Live |
| ORIENTAL AMPEX (H.K.) LIMITED | Private company limited by shares | Dissolved |
| ORIENTAL AMPEX INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| ORIENTAL AMPEX INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| AMPEX PROPERTIES LIMITED | Private company limited by shares | Dissolved |
| AMPEXSCREWS INDUSTRIAL COMPANY LIMITED | Private company limited by shares | Dissolved |