| PRINSA (HK) LIMITED | Private company limited by shares | Live |
| PRINSEL LIMITED | Private company limited by shares | Live |
| PRINSEN (ASIA) LIMITED | Private company limited by shares | Dissolved |
| PRINSEN HOLDING ASIA LIMITED | Private company limited by shares | Dissolved |
| PRINSEP COMPANY LIMITED | Private company limited by shares | Dissolved |
| PRINSIPIUM LIMITED | | Live |
| PRINSKY COMPANY LIMITED | Private company limited by shares | Live |
| Prinstitch HK Limited | | Live |
| TOTAL PRINSTRUMENT MANUFACTORY LIMITED | Private company limited by shares | Dissolved |