| Company Name | Type | Status |
|---|---|---|
| TOPEX LIMITED | Private company limited by shares | Dissolved |
| SDK TOPEX HK LIMITED | Private company limited by shares | Dissolved |
| TOPEX LIMITED | Private company limited by shares | Dissolved |
| TOPEX CPA LIMITED | Private company limited by shares | Dissolved |
| TOPEX LIMITED | Private company limited by shares | Live |
| TOPEX HK LIMITED | Private company limited by shares | Live |
| TOPEX LIMITED | Live | |
| TOPEXA INVESTMENTS LIMITED | Private company limited by shares | Dissolved |