| WINTEK LIMITED | Private company limited by shares | Dissolved |
| WINTEK LIMITED | Private company limited by shares | Live |
| Wintek I&E Co. Limited | Private company limited by shares | Live |
| Wintek Asia Limited | Private company limited by shares | Live |
| Wintek Enterprise Limited | Private company limited by shares | Dissolved |
| WINTEK ENTERPRISES LIMITED | Private company limited by shares | Live |
| WINTEK INC. LIMITED | Private company limited by shares | Live |
| Wintek Innovation Limited | Private company limited by shares | Live |
| WINTEK PLASTIC COMPANY LIMITED | Private company limited by shares | Live |