| Company Name | Type | Status |
|---|---|---|
| Treco Group Holdings Limited | Private company limited by shares | Live |
| Treco Holdings (Hong Kong) Limited | Private company limited by shares | Dissolved |
| TRECO ELECTRONICS HONGKONG CO., LIMITED | Private company limited by shares | Dissolved |
| Treco International Limited | Private company limited by shares | Dissolved |
| TRECON LIMITED | Private company limited by shares | Dissolved |