| RICHCON LIMITED | Private company limited by shares | Dissolved |
| RICHCON LIMITED | Private company limited by shares | Live |
| RICHCON LIMITED | | Live |
| RICHCON CONSULTANTS LIMITED | Private company limited by shares | Dissolved |
| RichCon Engineering and Design Limited | | Live |
| RICHCON ENTERPRISE LIMITED | Private company limited by shares | Live |
| RICHCON INTERNATIONAL (HK) LIMITED | Private company limited by shares | Live |
| RICHCON INDUSTRIAL LIMITED | Private company limited by shares | Dissolved |
| RICHCON INTERNATIONAL LIMITED | Private company limited by shares | Live |
| RICHCON TECHNOLOGY (HK) LIMITED | Private company limited by shares | Live |