| Company Name | Type | Status |
|---|---|---|
| Duoc Limited | Private company limited by shares | Live |
| DUOC HK LIMITED | Live | |
| HK DUOCAI ADVERTISING CO., LIMITED | Private company limited by shares | Dissolved |
| DUOCAI ENTERPRISE CO., LIMITED | Private company limited by shares | Live |
| HK DUOCAI TRADE CO., LIMITED | Private company limited by shares | Live |
| HK DUOCAI TECHNOLOGY LIMITED | Private company limited by shares | Live |
| DUOCAIDUO CATERING LIMITED | Live | |
| ITALY DUOCY INT'L GROUP LIMITED | Private company limited by shares | Live |