| ESSAN & OISHI HK LIMITED | | Live |
| OISHI TABEMONO LIMITED | Private company limited by shares | Live |
| OISHII LIMITED | Private company limited by shares | Dissolved |
| Oishii Limited | Private company limited by shares | Dissolved |
| Oishii Don Limited | Private company limited by shares | Live |
| Oishii Jewelry Limited | Private company limited by shares | Dissolved |
| Oi-Shi-Sushi Limited | Private company limited by shares | Live |
| Oi-Shi-Sushi Group Limited | Private company limited by shares | Live |
| Oi-Shi-Sushi (Tai Po) Limited | Private company limited by shares | Live |