| SMARTCARD LIMITED | Private company limited by shares | Dissolved |
| ALLTRONICS SMART-CARD LIMITED | Private company limited by shares | Dissolved |
| THEORY SMARTCARD TECHNOLOGY (CHINA) LIMITED | Private company limited by shares | Dissolved |
| CHUTIAN DRAGON SMARTCARD COMPANY LIMITED | Private company limited by shares | Dissolved |
| DECARD SMARTCARD TECH CO., LIMITED | Private company limited by shares | Live |
| GAMMACOMM SMARTCARD LIMITED | Private company limited by shares | Dissolved |
| XH SMARTCARD INVESTMENT (HK) COMPANY LIMITED | Private company limited by shares | Live |
| SMARTCARD MANUFACTURING (HK) LIMITED | Private company limited by shares | Dissolved |
| DEWELL SMARTCARD (HONGKONG) CO., LIMITED | Private company limited by shares | Live |
| HONGKONG THINKED SMARTCARD CO., LIMITED | Private company limited by shares | Live |
| Y&T SMARTCARD INDUSTRIES LIMITED | Private company limited by shares | Live |
| JIANHE SMARTCARD TECHNICAL CO., LIMITED | Private company limited by shares | Live |
| SmartCard Marketing Systems Asia Pacific (HK) Limited | Private company limited by shares | Live |
| OSCAR SMARTCARD LIMITED | Private company limited by shares | Dissolved |
| SMARTCARD SYSTEMS PROFESSIONALS LIMITED | Private company limited by shares | Live |
| ITE SMARTCARD SOLUTIONS LIMITED | Private company limited by shares | Live |
| SMARTCARD SYSTEMS LIMITED | Private company limited by shares | Live |
| SMARTCARD TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| VONGROUP SMARTCARD TECHNOLOGY LIMITED | Private company limited by shares | Live |