| ALCAN LIMITED | Private company limited by shares | Dissolved |
| ALCAN ALUMINIUM (ASIA) LIMITED | Private company limited by shares | Dissolved |
| ALCAN ASIA LIMITED | Private company limited by shares | Live |
| ALCAN CONSTRUCTION MATERIALS LIMITED | Private company limited by shares | Live |
| Rio Tinto Alcan Trading Limited | Private company limited by shares | Live |
| ALCANCE Legal Consulting Services Limited | | Live |
| ALCANIC LIMITED | Private company limited by shares | Dissolved |
| ALCANNOX LIMITED | Private company limited by shares | Dissolved |
| ALCANTARA LIMITED | Private company limited by shares | Dissolved |
| Alcanzar Limited | Private company limited by shares | Live |