| CASTON COMPANY LIMITED | Private company limited by shares | Dissolved |
| CASTON TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| CASTON GROUP CORPORATION LIMITED | Private company limited by shares | Live |
| CASTON DEVELOPMENT LIMITED | Private company limited by shares | Dissolved |
| FRANCE CASTON GRAPE MANOR LIMITED | Private company limited by shares | Live |
| HONGKONG CASTON TRADING CO., LIMITED | Private company limited by shares | Live |
| CASTON HOTEL CO., LIMITED | Private company limited by shares | Live |
| CASTON INDUSTRIES LIMITED | Private company limited by shares | Dissolved |
| CASTON INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| CASTON INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| HONG KONG CASTON INTERNATIONAL INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| CASTON INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| CASTON INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| CASTONA INVESTMENT LIMITED | Private company limited by shares | Live |
| CASTONE ENTERPRISE CO., LIMITED | Private company limited by shares | Dissolved |
| Castone Technology (HK) Co., Limited | Private company limited by shares | Live |