| SiliconSystems (HK) Limited | Private company limited by shares | Dissolved |
| SILICONTECH (H.K.) LIMITED | Private company limited by shares | Live |
| SILICONTECH (HK) ELECTRONIC LIMITED | Private company limited by shares | Live |
| SILICONTECH REFRACTORY CO., LIMITED | Private company limited by shares | Live |
| SILICONTEK SYSTEM LIMITED | Private company limited by shares | Live |
| SILICONVIEW LIMITED | Private company limited by shares | Live |
| SiliconWin Technology Co., Limited | Private company limited by shares | Live |
| SILICONWORTH TECHNOLOGIES LIMITED | Private company limited by shares | Live |
| SILICORP CO., LIMITED | Private company limited by shares | Dissolved |