| TOPTRONIC LIMITED | Private company limited by shares | Live |
| TOPTRONIC INDUSTRIAL (H.K.) LIMITED | Private company limited by shares | Dissolved |
| TOPTRONIC TECHNOLOGY LIMITED | Private company limited by shares | Live Commenced dormancy on 19-Jul-2016 |
| TOPTRONICS CO., LIMITED | Private company limited by shares | Dissolved |
| TOP-TRONICS LCD DISPLAY LIMITED | Private company limited by shares | Dissolved |
| Toptronics Impex Company Limited | Private company limited by shares | Live |
| TOPTRONICS INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |