| RIGO LIMITED | Private company limited by shares | Dissolved |
| DE RIGO ASIA LIMITED | Private company limited by shares | Dissolved |
| RIGOL TECHNOLOGIES HK LIMITED | Private company limited by shares | Live |
| Rigold Win Company Limited | Private company limited by shares | Live |
| RIGOLETTO LIMITED | Private company limited by shares | Dissolved |
| FRIENDS OF RIGOR COMPANY LIMITED | Private company limited by shares | Dissolved |
| RIGOROSO COMPANY LIMITED | Private company limited by shares | Dissolved |
| Rigorous International HongKong Limited | Private company limited by shares | Live |
| Rigort Holding Limited | Private company limited by shares | Live |
| Rigortek Manufacturing Co., Limited | Private company limited by shares | Live |
| RIGOTECH INTERNATIONAL LIMITED | Private company limited by shares | Live |
| RIGOU CENTURY CO. LIMITED | Private company limited by shares | Dissolved |
| CENTURY RIGOU CORP. LIMITED | Private company limited by shares | Dissolved |