| RILL CO., LIMITED | Private company limited by shares | Dissolved |
| Rill Investment Company Limited | Private company limited by shares | Live |
| RILL TRADING COMPANY LIMITED | Private company limited by shares | Live |
| RILL TRADING RESOURCES LIMITED | Private company limited by shares | Live |
| Rilla Group Asian Pacific Community Co Limited | Private company limited by shares | Live |
| HK RILLA TECHNOLOGY COMPANY LIMITED | Private company limited by shares | Live |
| RILLEX LIMITED | Private company limited by shares | Dissolved |
| RILLFAN COMPANY LIMITED | Private company limited by shares | Dissolved |
| RILLFUNG COMPANY LIMITED | Private company limited by shares | Dissolved |
| HONG KONG RILLFUNG COMPANY LIMITED | Private company limited by shares | Live |
| RILLINK COMPANY LIMITED | Private company limited by shares | Live |
| Rillmark Investment Limited | Private company limited by shares | Live |
| Rillon Trade Limited | Private company limited by shares | Live |
| RILLY LIMITED | Private company limited by shares | Live |
| Rilly Best Limited | Private company limited by shares | Live |
| Rilly Best Supplies Limited | Private company limited by shares | Live |
| RILLY TRADING LIMITED | Private company limited by shares | Dissolved |