| MASSTECH LIMITED | Private company limited by shares | Dissolved |
| MASSTECH ASIA LIMITED | Private company limited by shares | Dissolved |
| MASSTECH DEVELOPMENT LIMITED | Private company limited by shares | Dissolved |
| MASSTECH ELECTRONICS LIMITED | Private company limited by shares | Dissolved |
| MASSTECH ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| MASSTECH INDUSTRIES LIMITED | Private company limited by shares | Dissolved |
| MASSTECH INTERNATIONAL LIMITED | Private company limited by shares | Live |
| MASSTECH INVESTMENT LIMITED | Private company limited by shares | Dissolved |