| Company Name | Type | Status |
|---|---|---|
| OSTI Limited | Private company limited by shares | Dissolved |
| OSTIA LIMITED | Private company limited by shares | Dissolved |
| OSTIME COMPANY LIMITED | Private company limited by shares | Dissolved |
| OSTIMPEX LIMITED | Private company limited by shares | Dissolved |
| Ostin Technology Limited | Private company limited by shares | Live |
| OSTINA LIMITED | Private company limited by shares | Dissolved |
| OSTINI COMPANY LIMITED | Live |