| Company Name | Type | Status |
|---|---|---|
| GIGAS COMPANY LIMITED | Private company limited by shares | Live |
| Gigas Enterprise Company Limited | Private company limited by shares | Live |
| GIGASET LIMITED | Private company limited by shares | Live |
| GigaSpeed Technology HK Co., Limited | Private company limited by shares | Live |
| GIGASTAR ELECTRICAL CO., LIMITED | Private company limited by shares | Live |
| GIGASTAR GROUP CO., LIMITED | Private company limited by shares | Live |
| GIGASTAR LIGHTING CO., LIMITED | Private company limited by shares | Live |