| PRIMEX INNOTECH LIMITED | Private company limited by shares | Dissolved |
| PRIMEX (INTERNATIONAL) COMPANY LIMITED | Private company limited by shares | Dissolved |
| PRIMEX INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| PRIMEX TECHNOLOGY LIMITED | Private company limited by shares | Live |
| PRIMEX TECHNOLOGY (CHINA) CO., LIMITED | Private company limited by shares | Live |
| Primex Trader Co., Limited | | Live |
| PRIMEX TRADING COMPANY LIMITED | Private company limited by shares | Live |
| PRIMEX WATCH CO. (HK) LIMITED | Private company limited by shares | Dissolved |
| PRIMEXA NETWORK TRADE LIMITED | Private company limited by shares | Live |
| Primexcel Limited | Private company limited by shares | Live |
| PrimeXM Limited | Private company limited by shares | Live |