| Company Name | Type | Status |
|---|---|---|
| WOSA CO., LIMITED | Private company limited by shares | Dissolved |
| Wosaan Industrial Limited | Private company limited by shares | Live |
| WOSAM CO., LIMITED | Private company limited by shares | Live |
| Wosan Group Limited | Private company limited by shares | Live |
| WOSAN TRADE LIMITED | Live | |
| WOSANKO COMPANY LIMITED | Private company limited by shares | Dissolved |