| TOPSTAR LIMITED | Private company limited by shares | Dissolved |
| A. TOPSTAR LIMITED | Private company limited by shares | Dissolved |
| TOPSTAR LIMITED | Private company limited by shares | Dissolved |
| TOPSTAR ONE LIMITED | Private company limited by shares | Live |
| Topstar IT HK, Limited | Private company limited by shares | Live |
| TOPSTAR KS LIMITED | Private company limited by shares | Live |
| TOPSTAR CHINA LIMITED | Private company limited by shares | Live |
| Topstar Circuit Co., Limited | | Live |
| TOPSTAR ELECTRIC CO., LIMITED | Private company limited by shares | Dissolved |
| TOPSTAR ELECTRONICS CO., LIMITED | Private company limited by shares | Dissolved |
| TOPSTAR ELECTRONICS CO., LIMITED | Private company limited by shares | Live |
| SHENZHEN TOPSTAR ELECTRONICS CO., LIMITED | Private company limited by shares | Live |
| TOPSTAR CONSTRUCTION CO., LIMITED | Private company limited by shares | Live |
| TOPSTAR CREATION LIMITED | Private company limited by shares | Live |
| TOPSTAR ELECTRONIC LIMITED | Private company limited by shares | Dissolved |
| EVER TOPSTAR LIMITED | Private company limited by shares | Live |
| TOPSTAR FASHION ACCESSORIES CO., LIMITED | Private company limited by shares | Live |
| TOPSTAR FINANCE LIMITED | Private company limited by shares | Live |
| TOPSTAR GARDEN LIMITED | Private company limited by shares | Dissolved |
| GOLD TOPSTAR LIMITED | Private company limited by shares | Dissolved |
| TOP-STAR (INTERATIONAL) INVESTMENT GROUP LIMITED | Private company limited by shares | Live |
| Topstar Holding HK Pty Limited | Private company limited by shares | Live |
| TOPSTAR INDUSTRIAL LIMITED | Private company limited by shares | Dissolved |
| TOPSTAR INTERTRADE LIMITED | Private company limited by shares | Dissolved |
| TOPSTAR INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| TOPSTAR MACAU LIMITED | Private company limited by shares | Dissolved |
| TOPSTAR MANAGEMENT LIMITED | Private company limited by shares | Live |
| Topstar Material Technology Limited | Private company limited by shares | Live |
| TOPSTAR MUSIC MAKER LIMITED | Private company limited by shares | Dissolved |
| ORIENTAL TOPSTAR LIMITED | Private company limited by shares | Live |
| TOPSTAR ASIA PACIFIC LIMITED | Private company limited by shares | Live |
| TOPSTAR PAPER COMPANY LIMITED | Private company limited by shares | Dissolved |
| TOP-STAR PREMIUM PRODUCT LIMITED | Private company limited by shares | Dissolved |
| TOPSTAR ENTERTAINMENT PRODUCTION CO., LIMITED | Private company limited by shares | Live |
| TOPSTAR PROPERTIES LIMITED | Private company limited by shares | Dissolved |
| NINGBO TOPSTAR MECHANICAL SEALS LIMITED | Private company limited by shares | Live |
| TOPSTAR SHIPPING LIMITED | Private company limited by shares | Live |
| TOPSTAR TECHNOLOGIES LIMITED | Private company limited by shares | Live |
| TOPSTAR ELECTRONICS TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| TOPSTAR TRADING LIMITED | Private company limited by shares | Dissolved |
| HK TOPSTAR TRADING LIMITED | | Live |
| TOPSTARS LIMITED | Private company limited by shares | Dissolved |