| Company Name | Type | Status |
|---|---|---|
| MEMTECH DEVELOPMENT (H.K.) CO., LIMITED | Private company limited by shares | Live |
| MEMTECH TECHNOLOGY (H.K.) CO., LIMITED | Private company limited by shares | Live |
| MEMTECH ELECTRONIC PRODUCTS CO., LIMITED | Private company limited by shares | Dissolved |
| MEMTECH KEYPAD TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |