| C-Max Company Limited | Private company limited by shares | Live |
| C-MAX ASIA LIMITED | Private company limited by shares | Live |
| C-MAX CO., LIMITED | Private company limited by shares | Dissolved |
| CMAX EXHIBITION CO., LIMITED | Private company limited by shares | Live |
| C-MAX COMPONENTS COMPANY LIMITED | Private company limited by shares | Live |
| CMAX GROUP LIMITED | Private company limited by shares | Live |
| C-MAX INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| C-MAX SHIPPING COMPANY LIMITED | Private company limited by shares | Dissolved |
| C-MAX TECHNOLOGY LIMITED | Private company limited by shares | Live |