| Company Name | Type | Status |
|---|---|---|
| ROCKSTONE COMPANY LIMITED | Private company limited by shares | Dissolved |
| ROCKSTONE COMPANY LIMITED | Private company limited by shares | Live |
| QINGDAO ROCKSTONE TYRE CO., LIMITED | Private company limited by shares | Dissolved |
| Rockstone Resources Group Limited | Private company limited by shares | Dissolved |
| ROCKSTONE INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| ROCKSTONE MARBLE TRADING (ENG) LIMITED | Private company limited by shares | Live |