| Topsi Limited | | Live |
| TOPSIA LIMITED | Private company limited by shares | Dissolved |
| TOPSIDER (CHINA) LIMITED | Private company limited by shares | Dissolved |
| TOP-SIDER ENTERPRISES CORP LIMITED | Private company limited by shares | Dissolved |
| TOP-SIDER MANUFACTURER LIMITED | Private company limited by shares | Dissolved |
| TOPSIGHT LIMITED | Private company limited by shares | Dissolved |
| TOPSIGHT CO., LIMITED | Private company limited by shares | Live |
| HK TOPSIGHT LIGHTING CO., LIMITED | Private company limited by shares | Live |
| TOPSIGHT INDUSTRIAL LIMITED | Private company limited by shares | Dissolved |
| TOPSIGHT INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| Asia Pacific Top-Sight Media (HK) Company Limited | Private company limited by shares | Live |
| Topsight Medtech Co., Limited | Private company limited by shares | Live |
| TOPSILK INTERNATIONAL TRADING CO., LIMITED | Private company limited by shares | Live |
| TOPSILVER COMPANY LIMITED | Private company limited by shares | Dissolved |
| TOPSIM SOLUTIONS LIMITED | Private company limited by shares | Live |
| TOPSIN LIMITED | Private company limited by shares | Live |
| TOPSINO LIMITED | Private company limited by shares | Dissolved |