| CANTEC LIMITED | Private company limited by shares | Live |
| CANTEC (ASIA) LIMITED | Private company limited by shares | Dissolved |
| CANTEC (HK) LIMITED | Private company limited by shares | Dissolved |
| CANTEC PRODUCTS (HK) LIMITED | Private company limited by shares | Dissolved |
| CANTEC HOLDINGS LIMITED | Private company limited by shares | Live |
| HONG KONG ECO CANTEC ASIA LIMITED | Private company limited by shares | Live |
| CANTEC INTERNATIONAL TRADING LIMITED | Private company limited by shares | Live |
| CANTEC SYSTEM CO. LIMITED | Private company limited by shares | Dissolved |
| CANTEC SYSTEM NETWORK LIMITED | Private company limited by shares | Dissolved |
| CANTECH LIMITED | Private company limited by shares | Dissolved |
| CANTECH ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| Cantech Systems Limited | Private company limited by shares | Live |