| Company Name | Type | Status |
|---|---|---|
| SISO LIMITED | Private company limited by shares | Dissolved |
| SISO FL Lab Limited | Private company limited by shares | Live |
| SISO CO., LIMITED | Private company limited by shares | Live |
| Si-Soar Company Limited | Private company limited by shares | Live |
| SISON LIMITED | Private company limited by shares | Dissolved |
| SISON ZI LIMITED | Private company limited by shares | Live |
| SISON INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| Sisonmad Limited | Live | |
| SISOSU CO., LIMITED | Private company limited by shares | Live |