| DUFAN TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| DUFAY ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| DUFEITE SANITARY WARE (GERMANY) INDUSTRY LIMITED | Private company limited by shares | Live |
| ZHONGNONGSHI DUFENG BIOENGINEERING LIMITED | Private company limited by shares | Live |
| DUFEY COMPANY LIMITED | Private company limited by shares | Live |
| Duff Limited | | Live |
| DUFFELL INVESTMENTS LIMITED | Private company limited by shares | Live |
| DUFFERIN LIMITED | Private company limited by shares | Dissolved |
| DUFFIELD LIMITED | Private company limited by shares | Dissolved |
| DUFFIELD INVESTMENT LIMITED | Private company limited by shares | Live |
| DUFFIN LIMITED | Private company limited by shares | Dissolved |
| Duffy Company Limited | Private company limited by shares | Live |
| VAN DUFFY LIMITED | Private company limited by shares | Live |
| Duffypaws Limited | Private company limited by shares | Live |
| DUFFYSHOW WEDDING GOWN ARTISTIC LIMITED | Private company limited by shares | Dissolved |
| DUFONTE INDUSTRIES LIMITED | Private company limited by shares | Dissolved |
| DUFOURCET COMPANY LIMITED | Private company limited by shares | Dissolved |
| DUFOURS LIMITED | Private company limited by shares | Dissolved |
| DUFTON LIMITED | Private company limited by shares | Dissolved |
| DUFY COMPANY LIMITED | Private company limited by shares | Dissolved |