| TRIWELL LIMITED | Private company limited by shares | Live Commenced dormancy on 24-Nov-1998 |
| TRIWELL ASIA LIMITED | Private company limited by shares | Live |
| TRIWELL ASSOCIATES COMPANY LIMITED | Private company limited by shares | Dissolved |
| TRIWELL CONSULTANTS LIMITED | Private company limited by shares | Dissolved |
| TRIWELL CORPORATION LIMITED | Private company limited by shares | Live |
| TRIWELL DEVELOPMENT LIMITED | Private company limited by shares | Dissolved |
| TRIWELL DEVELOPMENT LIMITED | Private company limited by shares | Dissolved |
| TRIWELL ELECTRONIC COMPANY, LIMITED | Private company limited by shares | Dissolved |
| TRIWELL ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| TRIWELL (H.K.) LIMITED | Private company limited by shares | Live |
| TRIWELL HOLDINGS LIMITED | Private company limited by shares | Dissolved |
| TRI-WELL INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| TRIWELL INTERNATIONAL LIMITED | Private company limited by shares | Live |
| TRIWELL INVESTMENT LIMITED | Private company limited by shares | Live |
| TRIWELL INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| TRIWELL PROPERTIES LIMITED | Private company limited by shares | Dissolved |
| TRIWELL TECHNOLOGY COMPANY LIMITED | Private company limited by shares | Dissolved |
| TRIWELLAND LIMITED | Private company limited by shares | Dissolved |
| TRIWELLEN LIMITED | Private company limited by shares | Dissolved |
| TRIWELLOY LIMITED | Private company limited by shares | Dissolved |