| UNITRON LIMITED | Private company limited by shares | Dissolved |
| UNITRON ASIA LIMITED | Private company limited by shares | Dissolved |
| UNITRON CO., LIMITED | Private company limited by shares | Dissolved |
| UNITRON ELECTRONICS COMPANY LIMITED | Private company limited by shares | Live |
| UNITRON ELECTRONICS TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| Unitron Enterprises Limited | Private company limited by shares | Live |
| UNITRON (H.K.) LIMITED | Private company limited by shares | Dissolved |
| UNITRON INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| UNITRON ASIA PACIFIC LIMITED | Private company limited by shares | Live |
| UNITRON PROPERTIES LIMITED | Private company limited by shares | Dissolved |
| SHANDONG UNITRON TYRE&RUBBER CO., LIMITED | Private company limited by shares | Live |
| UNITRON TRADING COMPANY LIMITED | Private company limited by shares | Dissolved |
| UNITRONICS LIMITED | Private company limited by shares | Dissolved |
| UNITRONICS COMPANY LIMITED | Private company limited by shares | Live |
| UNITRONTECH CHINA COMPANY LIMITED | Private company limited by shares | Live |
| Unitrontech (Hong Kong) Limited | Private company limited by shares | Live |