| POSO JC LIMITED | Private company limited by shares | Live |
| POSO HI-TECH GROUP LIMITED | Private company limited by shares | Dissolved |
| POSOME LIMITED | Private company limited by shares | Dissolved |
| POSOME INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| POSON LIMITED | Private company limited by shares | Live |
| POSON ELECTRIC COMPANY LIMITED | Private company limited by shares | Dissolved |
| POSON ENTERPRISES LIMITED | Private company limited by shares | Live |
| POSON INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| POSON INVESTMENTS LIMITED | Private company limited by shares | Live |
| POSON PROPERTIES LIMITED | Private company limited by shares | Dissolved |
| POSON SHIPPING LIMITED | Private company limited by shares | Dissolved |
| POSONA INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| POS-ONE LIMITED | Private company limited by shares | Dissolved |
| POSONIC LIMITED | Private company limited by shares | Dissolved |
| POSONWONE TECHNOLOGY LIMITED | Private company limited by shares | Live |
| POSOT COMPANY LIMITED | Private company limited by shares | Dissolved |
| POSOUND ENTERPRISES LIMITED | Private company limited by shares | Live |
| POSOUND INVESTMENTS LIMITED | Private company limited by shares | Live |
| HONG KONG PO-SOURCE INTERNATIONAL HOLDINGS LIMITED | Private company limited by shares | Live |