| SONIT KEY LIMITED | Private company limited by shares | Dissolved |
| SONIT LIMITED | Private company limited by shares | Dissolved |
| SONITE LIMITED | Private company limited by shares | Dissolved |
| SONITE INDUSTRIAL LIMITED | Private company limited by shares | Dissolved |
| SONITE INDUSTRY LIMITED | Private company limited by shares | Live |
| SONITO COMPANY LIMITED | Private company limited by shares | Dissolved |
| SONITON ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| SONITOR LIMITED | Private company limited by shares | Live |
| SONITUS LIMITED | Private company limited by shares | Dissolved |
| SONITUS LIMITED | Private company limited by shares | Dissolved |