| TAMMA LIMITED | Private company limited by shares | Dissolved |
| TAMMA INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| TAMMAN LIMITED | Private company limited by shares | Dissolved |
| TAMMAN DEVELOPMENT LIMITED | Private company limited by shares | Live |
| TAMMAN ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| TAMMAN INDUSTRIAL LIMITED | Private company limited by shares | Dissolved |
| TAMMAN INDUSTRIES LIMITED | Private company limited by shares | Dissolved |
| TAMMAN INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| TAMMARA INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| TAMMARAK LIMITED | Private company limited by shares | Live |
| TAMMAX RESEARCH LIMITED | Private company limited by shares | Dissolved |