| Company Name | Type | Status |
|---|---|---|
| YONA CO., LIMITED | Private company limited by shares | Live |
| YONA HOLDING CO., LIMITED | Private company limited by shares | Live |
| YONACTIVE INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| Yonaga Trade Limited | Live | |
| YONAGO LIMITED | Private company limited by shares | Dissolved |
| KAZUYA YONAMOTO LIMITED | Private company limited by shares | Live |
| YONARS INTERNATIONAL TRADING LIMITED | Private company limited by shares | Live |