| TECHWELL LIMITED | Private company limited by shares | Dissolved |
| TECHWELL LIMITED | Private company limited by shares | Dissolved |
| TECHWELL LIMITED | Private company limited by shares | Live |
| WUXI TECHWELL MACHINERY CO., LIMITED | Private company limited by shares | Live |
| TECHWELL CREATIVE LIMITED | Private company limited by shares | Live |
| TECHWELL DEVELOPMENT LIMITED | Private company limited by shares | Dissolved |
| TECHWELL DEVELOPMENT LIMITED | Private company limited by shares | Dissolved |
| TECHWELL DEVELOPMENT LIMITED | Private company limited by shares | Dissolved |
| TECHWELL DEVELOPMENT LIMITED | Private company limited by shares | Live |
| TECHWELL ELECTRONIC COMPANY LIMITED | Private company limited by shares | Dissolved |
| TECHWELL ELECTRONICS LIMITED | Private company limited by shares | Live |
| TECHWELL ENGINEERING LIMITED | Private company limited by shares | Live |
| TECHWELL ENGINEERING LIMITED | Private company limited by shares | Live |
| TECHWELL ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| Techwell HT Facade Limited | Private company limited by shares | Live |
| TECHWELL GLOBAL LIMITED | Private company limited by shares | Live |
| TECHWELL ENTERPRISES GROUP LIMITED | Private company limited by shares | Live |
| TECHWELL (HK) LIMITED | Private company limited by shares | Dissolved |
| TECHWELL (HK) LIMITED | Private company limited by shares | Live |
| TECHWELL INDUSTRY (H.K) LIMITED | Private company limited by shares | Live |
| TECHWELL (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| EAST TECHWELL (HONGKONG) LIMITED | Private company limited by shares | Live |
| TECHWELL INDUSTRIAL CO., LIMITED | Private company limited by shares | Live |
| TECHWELL INDUSTRIES LIMITED | Private company limited by shares | Dissolved |
| TECHWELL INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| TECHWELL INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| TECHWELL INTERNATIONAL LIMITED | Private company limited by shares | Live |
| TECHWELL ELECTRONICS INTERNATIONAL CO., LIMITED | Private company limited by shares | Live |
| TECHWELL INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| TECHWELL MAGNETIC LIMITED | Private company limited by shares | Dissolved |
| Techwell Medical Service and Supply Limited | | Live |
| TECHWELL PROMOTION LIMITED | Private company limited by shares | Dissolved |
| TECHWELL SERVICES LIMITED | Private company limited by shares | Dissolved |
| SUMIDA TECHWELL SYSTEM SOLUTIONS LIMITED | Private company limited by shares | Dissolved |
| TECH-WELL SUPPLIES LIMITED | Private company limited by shares | Dissolved |
| TECHWELL SYSTEMS LIMITED | Private company limited by shares | Live |
| Techwell Technology Limited | Private company limited by shares | Live |