| Company Name | Type | Status |
|---|---|---|
| TESTA LIMITED | Private company limited by shares | Dissolved |
| TESTA DURA LIMITED | Private company limited by shares | Live |
| Testa Allied Technology Group Co., Limited | Private company limited by shares | Live |
| Testa Industrial Co., Limited | Private company limited by shares | Live |
| TESTA MANAGEMENT LIMITED | Private company limited by shares | Dissolved |
| TESTALE LIMITED | Private company limited by shares | Dissolved |