| MAINRI CAPITAL LIMITED | Private company limited by shares | Live |
| Mainri Games (Hong Kong) Limited | Private company limited by shares | Live |
| MAINRICH LIMITED | Private company limited by shares | Dissolved |
| MAINRICH LIMITED | Private company limited by shares | Live |
| MAINRICH ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| MAINRICH ENTERPRISES LIMITED | Private company limited by shares | Live |
| MAINRICH PROPERTIES LIMITED | Private company limited by shares | Live |
| MAINRICH SHIPPING LIMITED | Private company limited by shares | Dissolved |
| Mainridepack Hong Kong Trade Consulting Limited | | Live |
| MAINRIFE COMPANY LIMITED | Private company limited by shares | Dissolved |
| MAINRIGHT ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| MAINRISE COMPANY LIMITED | Private company limited by shares | Dissolved |
| MAINRIVER INVESTMENT LIMITED | Private company limited by shares | Dissolved |