| POLYCON LIMITED | Private company limited by shares | Live |
| Triple 8 Polycon Co., Limited | Private company limited by shares | Dissolved |
| POLYCON ELECTRONICS LIMITED | Private company limited by shares | Dissolved |
| Polycon Engineering (Hong Kong) Company Limited | Private company limited by shares | Live |
| POLYCON ENTERPRISE LIMITED | Private company limited by shares | Live |
| POLYCON (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| Polycon (Hong Kong) Company Limited | Private company limited by shares | Dissolved |
| POLYCON INDUSTRIAL LIMITED | Private company limited by shares | Dissolved |
| POLYCON INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| POLYCON INVESTMENT LIMITED | Private company limited by shares | Live |
| POLYCON MEDICAL SYSTEM LIMITED | Private company limited by shares | Dissolved |
| POLYCON PROPERTIES LIMITED | Private company limited by shares | Dissolved |
| POLYCONCEPT HONG KONG LIMITED | Private company limited by shares | Live |
| Polyconcept International Markets Limited | Private company limited by shares | Live |
| POLYCONCORD LIMITED | Private company limited by shares | Dissolved |
| POLYCONIX ASIA LIMITED | Private company limited by shares | Live |