| UTRON LIMITED | Private company limited by shares | Live |
| U-TRON CO., LIMITED | Private company limited by shares | Dissolved |
| U-TRON ELECTRONIC LIMITED | Private company limited by shares | Live |
| UTRON ELECTRONICS LIMITED | Private company limited by shares | Dissolved |
| UTRON ELECTRONICS (HONG KONG) CO., LIMITED | Private company limited by shares | Live |
| U-TRON GROUP (HK) ELECTRONICS CO., LIMITED | Private company limited by shares | Live |
| Utron Global Limited | | Live |
| UTRON POWER TECHNOLOGY (HONG KONG) COMPANY LIMITED | Private company limited by shares | Dissolved |
| UTRON POWER TECHNOLOGY (HONG KONG) COMPANY LIMITED | Private company limited by shares | Live |
| Utron Asset Management Limited | Private company limited by shares | Live |
| Utron Tech Limited | Private company limited by shares | Live |
| U-TRON TECHNOLOGIES LIMITED | Private company limited by shares | Dissolved |
| Utron Technologies Company Limited | Private company limited by shares | Live |
| UTRON TECHNOLOGY COMPANY LIMITED | Private company limited by shares | Dissolved |
| UTRON ELECTRONIC TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| Utron Trading Limited | | Live |
| Utron International Trading (HK) Limited | Private company limited by shares | Live |
| Utronix Electronics Company Limited | Private company limited by shares | Live |