| POLYCO LIMITED | Private company limited by shares | Dissolved |
| POLYCO LIMITED | Private company limited by shares | Dissolved |
| POLYCO ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| POLYCO ENTERPRISES LIMITED | Private company limited by shares | Live |
| Polycoat HK Limited | Private company limited by shares | Live |
| POLYCOM LIMITED | Private company limited by shares | Live |
| POLYCOM ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| POLYCOM HONG KONG LIMITED | Private company limited by shares | Dissolved |
| POLYCOM HONG KONG LIMITED | Private company limited by shares | Live |
| POLY-COM, ENTERPRISE INC. LIMITED | Private company limited by shares | Dissolved |
| POLYCOM INDUSTRIAL LIMITED | Private company limited by shares | Dissolved |
| POLYCOM SYSTEM LIMITED | Private company limited by shares | Dissolved |
| POLYCOME LIMITED | Private company limited by shares | Dissolved |
| POLYCOME LIMITED | Private company limited by shares | Dissolved |
| POLYCOME CONSTRUCTION ENGINEERING COMPANY LIMITED | Private company limited by shares | Dissolved |
| POLYCOME TRADING GLOBAL LIMITED | Private company limited by shares | Live |
| POLYCOME IMMIGRATION CONSULTANCY LIMITED | Private company limited by shares | Live |
| POLYCOME INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| POLYCOME INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| POLYCOME TRADING LIMITED | Private company limited by shares | Dissolved |
| Poly-Composites Co., Limited | Private company limited by shares | Live |
| 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 |
| Polycoo Future Trading Co., Limited | | Live |
| POLYCOOL LIMITED | Private company limited by shares | Live |
| POLYCORP LIMITED | Private company limited by shares | Live |
| POLYCORP ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| POLYCOTT LIMITED | Private company limited by shares | Dissolved |
| POLYCOUNSEL LIMITED | Private company limited by shares | Dissolved |
| POLYCOURT LIMITED | Private company limited by shares | Live |