| TAIWAN BOSTA AUTO ELECTRIC CO., LIMITED | Private company limited by shares | Live |
| BOSTA ELECTRIC HOLDING LIMITED | Private company limited by shares | Live |
| BOSTAK LIMITED | Private company limited by shares | Dissolved |
| BOSTAN LIMITED | Private company limited by shares | Dissolved |
| BOSTAR LIMITED | Private company limited by shares | Dissolved |
| BOSTAR LIMITED | Private company limited by shares | Dissolved |
| Bostar Pack Co., Limited | Private company limited by shares | Live |
| Bostar Trade Co., Limited | Private company limited by shares | Live |
| BOSTAR INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| BOSTAR TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |