| CISA LIMITED | Private company limited by shares | Live |
| CISA DEVELOPMENTS LIMITED | Private company limited by shares | Dissolved |
| Cisaga Electronic HK Limited | | Live |
| CISAL (ASIA) LIMITED | Private company limited by shares | Dissolved |
| CISAM TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| Cisam Technology Development Co., Limited | Private company limited by shares | Live |
| CISAM ELECTRONIC TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| CISANG COMPANY LIMITED | Private company limited by shares | Dissolved |
| CISARE COMPANY LIMITED | Private company limited by shares | Live |
| CISARI INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| CISATLANTIC COMPANY LIMITED | Private company limited by shares | Dissolved |
| CISATRON LIMITED | Private company limited by shares | Dissolved |