| Company Name | Type | Status |
|---|---|---|
| STONY LIMITED | Private company limited by shares | Dissolved |
| GRAND STONY LIMITED | Private company limited by shares | Dissolved |
| STONYFORD INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| STONY-HARD COMPANY LIMITED | Live | |
| STONYLION OPTOELECTRONICS TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |