| Company Name | Type | Status |
|---|---|---|
| HONG KONG BIGSTONE TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| BIGSTONE INDUSTRIAL LIMITED | Private company limited by shares | Live |
| BIGSTONE INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| BIGSTONE TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| BIGSTONE ELECTRONIC & TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |