| Company Name | Type | Status |
|---|---|---|
| Gigatech Co. Limited | Private company limited by shares | Live |
| GIGA-TECH COMMUNICATION CO., LIMITED | Private company limited by shares | Live |
| GIGA-TECH ROCK DRILLING LIMITED | Private company limited by shares | Live |
| GIGATECH (HK) CO., LIMITED | Private company limited by shares | Live |
| GIGATECH INTERNATIONAL LIMITED | Private company limited by shares | Live |