| Doch Trade And Consulting Co., Limited | Private company limited by shares | Live |
| U. S. A. DOCH SIGNAL (GROUP) LIMITED | Private company limited by shares | Dissolved |
| DOCHAIN LIMITED | Private company limited by shares | Dissolved |
| Dochange Co., Limited | Private company limited by shares | Live |
| DOCHANGE GLASSES CO., LIMITED | Private company limited by shares | Live |
| DOCHART LIMITED | Private company limited by shares | Dissolved |
| AN DOCHAS LIMITED | Private company limited by shares | Dissolved |
| DOCHE LIMITED | Private company limited by shares | Live |
| Dochen Limited | Private company limited by shares | Live |
| DOCHENG INTERNATIONAL TRADING CO., LIMITED | Private company limited by shares | Dissolved |
| DOCHENG SHOES TRADING LIMITED | Private company limited by shares | Live |
| DOCHI ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| DOCHIEF INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| KOREA DOCHTOP HEALTH CO., LIMITED | Private company limited by shares | Live |