| DUMA LIMITED | Private company limited by shares | Dissolved |
| DUMAI DOCKYARDS LIMITED | Private company limited by shares | Dissolved |
| Dumarca Asia Limited | Private company limited by shares | Live |
| DUMAREST HONG KONG LIMITED | Private company limited by shares | Live |
| DUMAREST VIETNAM LIMITED | Private company limited by shares | Live |
| DUMAS COMPANY LIMITED | Private company limited by shares | Dissolved |
| DUMAS & Co. Limited | Private company limited by shares | Live |
| FRANCE ALEXANDRE DUMAS (CHINA) COMPANY LIMITED | Private company limited by shares | Dissolved |
| DUMASTER ENTERPRISES LIMITED | Private company limited by shares | Dissolved |