| TELESTAR COMMUNICATION LIMITED | Private company limited by shares | Dissolved |
| Telestar Communications Limited | Private company limited by shares | Live |
| TELE-STAR DEVELOPMENT LIMITED | Private company limited by shares | Dissolved |
| TELESTAR ELECTRONICS LIMITED | Private company limited by shares | Live |
| Telestar Engineering Company Limited | Private company limited by shares | Live |
| TELESTAR ELECTRONIC (HK) LIMITED | Private company limited by shares | Live |
| TELESTAR TECHNOLOGIES (HK) CO., LIMITED | Private company limited by shares | Live |
| TELESTAR HOLDINGS LIMITED | Private company limited by shares | Dissolved |
| HONGKONG TELESTAR SCIENCE LIMITED | Private company limited by shares | Dissolved |
| TELESTAR INVESTMENT HOLDING LIMITED | | Live |
| TELESTAR TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| TELESTAR TELECOMMUNICATION LIMITED | Private company limited by shares | Dissolved |