| REALCO LIMITED | Private company limited by shares | Dissolved |
| REALCODE LIMITED | Private company limited by shares | Live |
| REALCOLOR TECHNOLOGY (HONGKONG) LIMITED | Private company limited by shares | Live |
| REALCOM LIMITED | Private company limited by shares | Dissolved |
| REALCOM M2M LIMITED | Private company limited by shares | Live |
| Star Realcom Limited | Private company limited by shares | Live |
| REALCOME INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| REALCORE ELECTRONICS (HK) CO., LIMITED | Private company limited by shares | Live |
| REALCORE INVESTMENT LIMITED | Private company limited by shares | Dissolved |