| HK POLYSO Limited | | Live |
| Poly-Solution (Asia) Limited | | Live |
| POLYSOLUTIONS LIMITED | Private company limited by shares | Live |
| POLYSOME INDUSTRIAL LIMITED | Private company limited by shares | Dissolved |
| POLYSON LIMITED | Private company limited by shares | Dissolved |
| POLYSON LIMITED | Private company limited by shares | Live |
| POLYSON AGENTS LIMITED | Private company limited by shares | Dissolved |
| POLYSON CHINA LIMITED | Private company limited by shares | Live |
| POLYSON CONSULTANTS LIMITED | Private company limited by shares | Live |
| POLYSON CORPORATION LIMITED | Private company limited by shares | Dissolved |
| POLYSON CORPORATION LIMITED | Private company limited by shares | Live |
| POLYSON ENGINEERING LIMITED | Private company limited by shares | Live |
| POLYSON ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| POLYSON ENTERPRISES LIMITED | Private company limited by shares | Live |
| POLYSON REALTY & ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| POLYSON INDUSTRIAL LIMITED | Private company limited by shares | Dissolved |
| POLYSON INDUSTRIAL LIMITED | Private company limited by shares | Live |
| POLYSON INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| POLYSON INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| POLYSON INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| POLYSON JEWELLERY CO. LIMITED | Private company limited by shares | Dissolved |
| POLYSON MANAGEMENT LIMITED | Private company limited by shares | Dissolved |
| POLYSON PROPERTIES LIMITED | Private company limited by shares | Dissolved |
| POLYSON TECHNOLOGIES LIMITED | Private company limited by shares | Dissolved |
| POLYSON TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| POLYSON TRADING LIMITED | Private company limited by shares | Dissolved |
| POLYSONIC LIMITED | Private company limited by shares | Dissolved |
| POLYSONIC INVESTMENT LIMITED | Private company limited by shares | Live |
| POLYSONIC CAR AUDIO MANUFACTURING COMPANY LIMITED | Private company limited by shares | Dissolved |
| Polysons Acoustics Consulting Limited | Private company limited by shares | Live |
| POLYSOON INVESTMENTS LIMITED | Private company limited by shares | Live |
| POLYSOUND COMPANY LIMITED | Private company limited by shares | Dissolved |
| POLYSOUND LIMITED | Private company limited by shares | Live |
| POLYSOURCE COMPANY LIMITED | Private company limited by shares | Dissolved |
| POLYSOURCE CAPITAL ASSETS LIMITED | Private company limited by shares | Live |
| POLYSOURCE INVESTMENTS LIMITED | Private company limited by shares | Live |
| POLYSOURCE TRADING LIMITED | Private company limited by shares | Dissolved |
| POLYSOURCES LIMITED | Private company limited by shares | Live |
| Polysources Design Limited | Private company limited by shares | Live |
| POLYSOURCES PROPERTIES LIMITED | Private company limited by shares | Live |