| USOM INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| USOM (HONG KONG) INTERNATIONAL LIMITED | Private company limited by shares | Live |
| U-SON LIMITED | Private company limited by shares | Dissolved |
| USON ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| U-SON REALTY COMPANY LIMITED | Private company limited by shares | Dissolved |
| USON TECHNOLOGY COMPANY LIMITED | Private company limited by shares | Live |
| USON-TECH LIMITED | Private company limited by shares | Live |
| HONGKONG USOON DECORATION DESIGN ENGINEERING CO., LIMITED | Private company limited by shares | Live |
| Usoon Technology (HongKong) Co., Limited | Private company limited by shares | Live |
| USOP LIMITED | Private company limited by shares | Dissolved |
| USOPIXEL Limited | Private company limited by shares | Live |
| USOSO.COM LIMITED | Private company limited by shares | Dissolved |
| USOUND CO. LIMITED | Private company limited by shares | Live |
| U-SOUND ELECTRIC COMPANY LIMITED | Private company limited by shares | Dissolved |
| U-SOUND ELECTRIC COMPANY LIMITED | Private company limited by shares | Live |
| U-Source Pvt Limited | Private company limited by shares | Live |
| U-SOURCE (HK) CO., LIMITED | Private company limited by shares | Live |
| SHENZHEN USOURCE TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| U-SPACE LIMITED | Private company limited by shares | Dissolved |
| USPC LIFUNG LIMITED | Private company limited by shares | Dissolved |
| USPEAK LIMITED | Private company limited by shares | Dissolved |
| USPECT LIMITED | Private company limited by shares | Live |
| USPEED LIMITED | | Live |
| Hong Kong U-Speed Technology Co., Limited | | Live |
| U-SPEED TECHNOLOGY CO., LIMITED | Private company limited by shares | Dissolved |
| GUANGZHOU U-SPEED TRADING COMPANY LIMITED | Private company limited by shares | Live |
| U-SPEED HOLDING LIMITED | | Live |
| U-Speed (Holdings) Limited | Private company limited by shares | Live |
| U-SPEED INTERNATIONAL SCM LIMITED | | Live |
| Uspeed International Co., Limited | Private company limited by shares | Dissolved |
| U-Speed International (Holdings) Limited | Private company limited by shares | Live |
| U-Speed Investment Limited | Private company limited by shares | Live |
| U-SPEED SUPPLY CHAIN MANAGEMENT (CHINA) LIMITED | Private company limited by shares | Live |
| USphear Technology Limited | | Live |
| Uspic Limited | Private company limited by shares | Live |
| USPIRE HANDBAGS LIMITED | Private company limited by shares | Dissolved |
| USPIX LIMITED | Private company limited by shares | Live |
| USQUARE LIMITED | Private company limited by shares | Live |
| USREP1 LIMITED | Private company limited by shares | Live |
| USROK TRADING COMPANY (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| U.S.S. ENTERPRISE LIMITED | Private company limited by shares | Live |
| USSA Hong Kong Limited | Private company limited by shares | Live |
| USSAN LIMITED | Private company limited by shares | Live |
| U.S.SANTIE ARCHITECTURAL DESIGN CO., LIMITED | Private company limited by shares | Live |
| USSCO SHIPPING & TRADING COMPANY LIMITED | Private company limited by shares | Dissolved |
| USSIA Limited | | Live |
| U.S.SOVKO COMPANY LIMITED | Private company limited by shares | Dissolved |
| US-squAre Company Limited | Private company limited by shares | Dissolved |
| USSR LIMITED | Private company limited by shares | Live |
| USSURI LIMITED | Private company limited by shares | Dissolved |
| USSURI TRADING CO., LIMITED | | Live |
| U.S.T. System Technology Limited | Private company limited by shares | Live |
| U-STAND BUSINESS COMPANY LIMITED | Private company limited by shares | Live |
| U-STAR COMPANY LIMITED | Private company limited by shares | Dissolved |
| U-STAR LIMITED | Private company limited by shares | Dissolved |
| Ustar Pcb Limited | Private company limited by shares | Live |
| USTAR COMPANY LIMITED | Private company limited by shares | Live |
| Ustar Ecommerce Limited | Private company limited by shares | Live |
| Ustar Learning Limited | Private company limited by shares | Live |
| USTAR SPORTS LIMITED | Private company limited by shares | Live |
| USTART COMPANY LIMITED | Private company limited by shares | Dissolved |
| USTART CHEMICALS LIMITED | Private company limited by shares | Live |
| U-START ELECTRONICS LIMITED | Private company limited by shares | Dissolved |
| Hong Kong Ustarthing Electronics Co., Limited | | Live |
| USTAY.NET LIMITED | Private company limited by shares | Live |
| USTC HK LIMITED | Private company limited by shares | Live |
| USTCM (HONG KONG) LIMITED | | Live |
| US-TECH SUPPLY CO., LIMITED | | Live |
| USTECH-ASIA, LIMITED | Private company limited by shares | Live |
| USTEGRA LIMITED | | Live |
| USTEK HONG KONG LIMITED | Private company limited by shares | Dissolved |
| USTEMPlus Limited | Private company limited by shares | Live |
| ZELLWEGER USTER (HONG KONG) COMPANY LIMITED | Private company limited by shares | Dissolved |
| USTICA LIMITED | Private company limited by shares | Dissolved |
| USTINA INVEST LIMITED | Private company limited by shares | Live |
| USTINOV FASHION COMPANY LIMITED | Private company limited by shares | Dissolved |
| U-stone Global Freight Limited | | Live |
| USTONE INDUSTRIAL LIMITED | Private company limited by shares | Live |
| USTORY MANAGEMENT LIMITED | Private company limited by shares | Live |
| USTOY GRAIN LIMITED | Private company limited by shares | Live |
| USTRA LIMITED | Private company limited by shares | Live |
| U-STRONG COMPANY LIMITED | Private company limited by shares | Dissolved |
| UStudy Limited | Private company limited by shares | Live |
| USUAL LIMITED | Private company limited by shares | Dissolved |
| USUAL WIN LIMITED | Private company limited by shares | Live |
| USUALIGHT LIMITED | Private company limited by shares | Dissolved |
| USUALLY FULL INVESTMENTS LIMITED | Private company limited by shares | Live |
| USUALWAY LIMITED | Private company limited by shares | Dissolved |
| Usub Limited | Private company limited by shares | Live |
| U-SUCCESS LIMITED | Private company limited by shares | Live |
| HK Usuitee self-media Limited | | Live |
| USUK COMPANY LIMITED | Private company limited by shares | Dissolved |
| USUM Investment Group Hong Kong Limited | Private company limited by shares | Live |
| USUMBRA LIMITED | Private company limited by shares | Dissolved |
| U-SUN LIMITED | Private company limited by shares | Dissolved |
| U-SUN LIMITED | Private company limited by shares | Live |
| U-Sun Catering Limited | Private company limited by shares | Live |
| HK usun holding Co., Limited | Private company limited by shares | Live |
| USUN CORP LIMITED | Private company limited by shares | Live |
| USUN CORPORATION LIMITED | Private company limited by shares | Live |