| U.D.I. LIMITED | Private company limited by shares | Dissolved |
| UDIAG Group Co., Limited | Private company limited by shares | Live |
| Udiamond Limited | Private company limited by shares | Live |
| UDIAN TECHNOLOGY COMPANY LIMITED | Private company limited by shares | Live |
| UDICX LIMITED | Private company limited by shares | Live |
| UDIFLOW LIMITED | Private company limited by shares | Live |
| UDIGI LIMITED | Private company limited by shares | Live |
| UDI-HK Limited | Private company limited by shares | Live |
| UDIN LIGHTING CO LIMITED | Private company limited by shares | Live |
| UDINE LIMITED | Private company limited by shares | Dissolved |
| ITALIA UDINESE INTERNATIONAL ENTERPRISE GROUP LIMITED | Private company limited by shares | Live |
| GERMANY U-DING KITCHEN WARE CO., LIMITED | Private company limited by shares | Dissolved |
| UDIRC INTELLIGENT COMPANY LIMITED | Private company limited by shares | Live |
| HONG KONG UDIRC INTERNATIONAL TRADING COMPANY LIMITED | Private company limited by shares | Live |
| UDIRC TOYS MANUFACTURER LIMITED | Private company limited by shares | Live |
| UDIRC TECHNOLOGY COMPANY LIMITED | Private company limited by shares | Live |
| Udith E-Commerce (Hong Kong) Co., Limited | Private company limited by shares | Live |