| CARDOBLAST LIMITED | Private company limited by shares | Dissolved |
| CARDOM LIMITED | Private company limited by shares | Dissolved |
| CARDOMY LIMITED | Private company limited by shares | Dissolved |
| CARDON LIMITED | Private company limited by shares | Dissolved |
| CARDON LIMITED | Private company limited by shares | Live |
| CIMM DONGHAI ADVANCED CARDON CO., LIMITED | Private company limited by shares | Live |
| CARDON INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| CARDON TRADING LIMITED | Private company limited by shares | Dissolved |
| CARDONE INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| Cardoni International Limited | | Live |
| CARDONNA LIMITED | Private company limited by shares | Dissolved |
| CARDOPTICS LIMITED | | Live |
| CARDOYA LIMITED | | Live |