| AMPH Industry Co., Limited | Private company limited by shares | Live |
| AMPHELE TECHNOLOGY LIMITED | Private company limited by shares | Live |
| AMPHENIX ELECTRONICS (HONGKONG) LIMITED | Private company limited by shares | Live |
| Amphenol HK Limited | Private company limited by shares | Live |
| AMPHILAB PTE LIMITED | Private company limited by shares | Live |
| AMPHIMACO (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| Amphimetal Resources Co., Limited | Private company limited by shares | Live |
| AMPHION INVESTMENT LIMITED | Private company limited by shares | Live |
| Amphiprotech HK Limited | Private company limited by shares | Live |
| AMPHI-RANGER LIMITED | Private company limited by shares | Dissolved |
| Amphitheatric Technology Limited | | Live |
| Amphitryon Co., Limited | | Live |
| AMPHITRYON INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| AMPHO (HK) LIMITED | Private company limited by shares | Live |
| AMPHO MARINE LIMITED | | Live |
| AMPHORA LIMITED | Private company limited by shares | Live |
| AMPHORA GLOBAL LIMITED | | Live |
| AMPHORA GROUP LIMITED | Private company limited by shares | Live |
| AMPHORA (HONG KONG) LIMITED | Private company limited by shares | Live |
| Amphora International Limited | Private company limited by shares | Live |
| AMPHORA INVESTMENT COMPANY LIMITED | Private company limited by shares | Dissolved |
| Amphora International Trading Limited | Private company limited by shares | Live |
| Amphora Vine Limited | Private company limited by shares | Live |