| AMPA (ASIA) LIMITED | Private company limited by shares | Dissolved |
| AMPAC OIL LIMITED | Private company limited by shares | Dissolved |
| AMPAC COMPANY LIMITED | Private company limited by shares | Dissolved |
| AMPAC AGENCIES LIMITED | Private company limited by shares | Dissolved |
| Ampac Asia Limited | Private company limited by shares | Live |
| AMPAC CORP. LIMITED | Private company limited by shares | Live |
| AMPAC ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| AMPAC INVESTMENT LIMITED | Private company limited by shares | Live |
| AMPAC RESOURCES LIMITED | Private company limited by shares | Dissolved |
| AMPAC SYSTEMS LIMITED | Private company limited by shares | Dissolved |
| Ampace Technology Limited | | Live |
| AMPACKED LIMITED | Private company limited by shares | Live |
| AmpAir Limited | Private company limited by shares | Live |
| AMPAK OPTOELECTRONICS LIMITED | Private company limited by shares | Live |
| AMPAK-HK TECHNOLOGY INC LIMITED | Private company limited by shares | Live |
| AMPANG LIMITED | Private company limited by shares | Dissolved |
| AMPANG LIMITED | Private company limited by shares | Live |
| Ampang International Limited | Private company limited by shares | Live |
| AMPANO LAND INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| AMPAP INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| AMPAQ MICROSYSTEMS LIMITED | Private company limited by shares | Dissolved |
| AMPAR INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| AMPAR SHIPPING AND TRADING LIMITED | Private company limited by shares | Live |
| Hong Kong Amparies Electronics Co., Limited | Private company limited by shares | Live |
| AMPART LIMITED | Private company limited by shares | Dissolved |
| AMPAX LIMITED | Private company limited by shares | Live |
| AMPAZ ENTERPRISES LIMITED | Private company limited by shares | Dissolved |