| TRION COMPANY, LIMITED -THE- | Private company limited by shares | Dissolved |
| TRION LIMITED | Private company limited by shares | Live |
| TRION INTERNATIONAL (CHINA) LIMITED | Private company limited by shares | Dissolved |
| TRION CHINA INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| TRION INTERNATIONAL CORPORATION LIMITED | Private company limited by shares | Live Ceased dormancy on 11-Dec-2015 |
| MUNICH TRION DEUTSCHLAND (GERMANY) PHARMACEUTICAL LIMITED | Private company limited by shares | Live |
| TRION ENTERPRISE LIMITED | Private company limited by shares | Live |
| TRION INTERNATIONAL (H.K.) LIMITED | Private company limited by shares | Live |
| TRION COMPUTERS HONG KONG LIMITED | Private company limited by shares | Dissolved |
| TRION JEWELLERY COMPANY LIMITED | Private company limited by shares | Live |
| TRION PACIFIC LIMITED | Private company limited by shares | Live Commenced dormancy on 22-May-2012 |
| Trion Solution Limited | | Live |
| TAIWAN TRION INTERNATIONAL LIMITED | Private company limited by shares | Live Commenced dormancy on 22-Jun-2015 |
| TRION TECHNOLOGY COMPANY LIMITED | Private company limited by shares | Dissolved |
| Trion International Trading Limited | Private company limited by shares | Live |
| TRIONES COMPANY LIMITED | Private company limited by shares | Dissolved |
| China Titaner Triones Foreign Trading (HK) Company Limited | | Live |
| Trionic Limited | Private company limited by shares | Live |
| TRIONICA LIMITED | Private company limited by shares | Dissolved |
| TRIONS LIMITED | Private company limited by shares | Live |
| TRIONS INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| TRIONSEN LIMITED | Private company limited by shares | Live |