| WISCO COMPANY LIMITED | Private company limited by shares | Dissolved |
| WISCO ELECTRICAL APPLIANCE CO., LIMITED | Private company limited by shares | Live |
| WISCO KAM HING RESOURCES LIMITED | Private company limited by shares | Dissolved |
| WISCO (H.K.) TRADING CO., LIMITED | Private company limited by shares | Live |
| WISCO HOLDINGS LIMITED | Private company limited by shares | Live |
| HONG KONG WISCO GUANGXIN KAM WAH RESOURCES LIMITED | Private company limited by shares | Live |
| WISCO CAD (HONG KONG) MINING COMPANY LIMITED | Private company limited by shares | Live |
| WISCO INTERNATIONAL LIMITED | Private company limited by shares | Live |
| WISCO INTERNATIONAL RESOURCES DEVELOPMENT & INVESTMENT LIMITED | Private company limited by shares | Live |
| WISCO INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| WISCO PROSPECT LIMITED | Private company limited by shares | Live |
| WISCO SHIPPING COMPANY LIMITED | Private company limited by shares | Live |
| WISCO TRADING COMPANY LIMITED | Private company limited by shares | Dissolved |
| WISCODE.COM LIMITED | Private company limited by shares | Dissolved |
| WISCOM NETWORK LIMITED | Private company limited by shares | Live |
| WISCOM SYSTEM COMPANY LIMITED | Private company limited by shares | Dissolved |
| WISCON LIMITED | Private company limited by shares | Live |
| WISCONSIN LABEL (ASIA) LIMITED | Private company limited by shares | Dissolved |
| WISCONSIN ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| WISCOR CHINA LIMITED | Private company limited by shares | Live |
| WISCORP LIMITED | Private company limited by shares | Live |