| GIANTECH COMPANY LIMITED | Private company limited by shares | Dissolved |
| GIANTECH LIMITED | Private company limited by shares | Dissolved |
| GIANTECH LIMITED | Private company limited by shares | Live |
| GIANTECH ELECTRONICS (HK) CO., LIMITED | Private company limited by shares | Live |
| GIANTECH ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| GIANTECH INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| Giantech International Limited | Private company limited by shares | Live |
| GIANTECH INVESTMENTS LIMITED | Private company limited by shares | Dissolved |