| MASSTO LIMITED | Private company limited by shares | Dissolved |
| MASSTO INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| MASSTON LIMITED | Private company limited by shares | Dissolved |
| MASSTON LIMITED | Private company limited by shares | Live |
| MASSTON DEVELOPMENT LIMITED | Private company limited by shares | Live |
| MASSTON HOLDINGS LIMITED | Private company limited by shares | Dissolved |
| MASSTON INDUSTRIES LIMITED | Private company limited by shares | Dissolved |
| MASSTON INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| MASSTON DESIGN & PRINTING LIMITED | Private company limited by shares | Dissolved |
| MASSTONE LIMITED | Private company limited by shares | Dissolved |
| MASSTONE COMPANY LIMITED | Private company limited by shares | Live |
| MASSTONE CREATION LIMITED | Private company limited by shares | Dissolved |
| MASSTOP ENTERPRISES LIMITED | Private company limited by shares | Dissolved |