| SSID LIMITED | Private company limited by shares | Dissolved |
| SSID LIMITED | Private company limited by shares | Live |
| SSIH Enterprises Limited | Private company limited by shares | Live |
| SSILK Limited | Private company limited by shares | Live |
| S-SINDA TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| Ssinhai Enterprise Limited | Private company limited by shares | Live |
| SSIP (HK) Limited | Private company limited by shares | Live |
| SSIS LIMITED | Private company limited by shares | Live |
| SSISE PTE HK LIMITED | Private company limited by shares | Live |