| TONICHI SYOUJI (HK) CO., LIMITED | Private company limited by shares | Dissolved |
| TONICHI DEVELOPMENTS LIMITED | Private company limited by shares | Dissolved |
| TONICHI ELECTRIC (HK) LIMITED | Private company limited by shares | Dissolved |
| TONICHI INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| TONICHI Q.C. CENTRE LIMITED | Private company limited by shares | Dissolved |
| TO-NICHI TRADING COMPANY LIMITED | Private company limited by shares | Dissolved |
| TONICHI TRADING COMPANY (H.K.) LIMITED | Private company limited by shares | Dissolved |
| Tonichi Travel Company Limited | Private company limited by shares | Live |