| UNION VICTORY INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| STATE UNION CHEMICALS CO LIMITED | Private company limited by shares | Dissolved |
| UNION REGAL LIMITED | Private company limited by shares | Live |
| UNION TALENT DEVELOPMENT LIMITED | Private company limited by shares | Dissolved |
| UNION TALENT INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| DOLLAR UNION LIMITED | Private company limited by shares | Live |
| UNION FUND DEVELOPMENT LIMITED | Private company limited by shares | Dissolved |
| FUZHOU UNIVERSAL HIGH TECHNIQUE PULSE WAVE LIMITED | Private company limited by shares | Dissolved |
| ORIENT UNION FREIGHT SERVICES COMPANY LIMITED | Private company limited by shares | Dissolved |
| UNIVERSAL ENTERTAINMENT PRODUCTION AGENT LIMITED | Private company limited by shares | Dissolved |
| UNIVERSAL HORIZON INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| UNIVERSAL HORIZON LIMITED | Private company limited by shares | Dissolved |
| UNITED COSMETIC LIMITED | Private company limited by shares | Live |
| UNIVANTAGES MANAGEMENT LIMITED | Private company limited by shares | Dissolved |
| CHINA UNION (CASHMERE) INTERNATIONAL GROUP LIMITED | Private company limited by shares | Live |
| UNIMAX ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| UNIVERSAL SANDAL COMPANY LIMITED | Private company limited by shares | Dissolved |
| CENTURY UNION INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| WISE UNION (H.K.) LIMITED | Private company limited by shares | Dissolved |
| UNION EAST LIMITED | Private company limited by shares | Dissolved |
| UNIMASTER INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| UNION REGENT INDUSTRIES LIMITED | Private company limited by shares | Live |
| MASTER UNITY LIMITED | Private company limited by shares | Live |
| GRAND UNION LIMITED | Private company limited by shares | Live |
| WELL UNION (H.K.) LIMITED | Private company limited by shares | Dissolved |
| UNION TRADE CONSULTANTS LIMITED | Private company limited by shares | Dissolved |
| SMART UNIVERSAL LIMITED | Private company limited by shares | Dissolved |
| UNI-FORTUNE ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| UNION BRAVE INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| UNION GRACE LIMITED | Private company limited by shares | Dissolved |
| UNION GUARD LIMITED | Private company limited by shares | Dissolved |
| UNIREX LIMITED | Private company limited by shares | Live |
| UNION KINGDOM LIMITED | Private company limited by shares | Dissolved |
| UNI-RESOURCES LIMITED | Private company limited by shares | Dissolved |
| UNION TRADE (H.K.) LIMITED | Private company limited by shares | Dissolved |
| UNION SUCCESS TIMBER FACTORY LIMITED | Private company limited by shares | Live |
| UNION ECONOMIC & TRADING INVESTMENT CORPORATION LIMITED | Private company limited by shares | Live |
| UNION FINANCE INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| SMART UNION FAR EAST LIMITED | Private company limited by shares | Live |
| UNITED CHINA ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| UNION WIN CONSULTANTS LIMITED | Private company limited by shares | Dissolved |
| UNION HARVEST CONSULTANTS LIMITED | Private company limited by shares | Dissolved |
| UNISON PROJECTS COMPANY LIMITED | Private company limited by shares | Live |
| WISE UNION DEVELOPMENT LIMITED | Private company limited by shares | Dissolved |
| UNIQUE LEADER LIMITED | Private company limited by shares | Dissolved |
| SKY UNITED TRADING LIMITED | Private company limited by shares | Live |
| UNIVERSE GARMENTS LIMITED | Private company limited by shares | Dissolved |
| UNISON HOLDINGS LIMITED | Private company limited by shares | Dissolved |
| UNI-FAME INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| MAX UNION ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| UNI-FIELD ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| CRYSTAL UNION LIMITED | Private company limited by shares | Dissolved |
| UNIVERSE CONCORD TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| UNION ASIAN INTERNATIONAL LIMITED | Private company limited by shares | Live |
| UNIVERSAL FOCUS LIMITED | Private company limited by shares | Live |
| UNIVERSAL EXTEND LIMITED | Private company limited by shares | Live |
| UNIVERSAL REWARD LIMITED | Private company limited by shares | Dissolved |
| UNIVERSAL NATION LIMITED | Private company limited by shares | Dissolved |
| UNION STAR INDUSTRIES LIMITED | Private company limited by shares | Dissolved |
| UNITRANS TRANSPORTATION CO., LIMITED | Private company limited by shares | Dissolved |
| CHINA UNIVERSE CYCLE (H.K.) LIMITED | Private company limited by shares | Dissolved |
| WISE UNION PROPERTIES LIMITED | Private company limited by shares | Dissolved |
| UNION PACIFIC ENTERPRISES LIMITED | Private company limited by shares | Live |
| UNION WORLD INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| UNION WORLD HOLDINGS LIMITED | Private company limited by shares | Dissolved |
| UNION WORLD (H.K.) LIMITED | Private company limited by shares | Live |
| UNION SMART HOLDINGS LIMITED | Private company limited by shares | Dissolved |
| UNION SMART ENGINEERING LIMITED | Private company limited by shares | Live |
| UNION TECH HOLDINGS LIMITED | Private company limited by shares | Dissolved |
| UNION STAR HOLDINGS LIMITED | Private company limited by shares | Dissolved |
| UNION STAR ENGINEERING LIMITED | Private company limited by shares | Live |
| UNION PACIFIC (H.K.) LIMITED | Private company limited by shares | Live |
| UNIVERSAL SKY CERAMICS LIMITED | Private company limited by shares | Dissolved |
| UNIVERSAL TEAM LIMITED | Private company limited by shares | Dissolved |
| UNIVERSAL TEAM INVESTMENT LIMITED | Private company limited by shares | Live |
| UNIQUE GLORY DEVELOPMENTS LIMITED | Private company limited by shares | Dissolved |
| UNIVERSAL CENTURY (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| NEW UNIVERSE LIMITED | Private company limited by shares | Live |
| UNION TECHNOLOGY ASIA LIMITED | Private company limited by shares | Dissolved |
| NEW UNION TRADING LIMITED | Private company limited by shares | Dissolved |
| GOLDWELL UNIVERSAL LIMITED | Private company limited by shares | Dissolved |
| UNION BELT COMPANY LIMITED | Private company limited by shares | Dissolved |
| UNIVERSAL NETWORKS COMPANY LIMITED | Private company limited by shares | Live |
| POLY UNION ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| BEST UNION HOLDINGS LIMITED | Private company limited by shares | Dissolved |
| NEW UNION PHARMACY LIMITED | Private company limited by shares | Live |
| UNILAND INVESTMENT LIMITED | Private company limited by shares | Live |
| UNISON (H.K.) LIMITED | Private company limited by shares | Dissolved |
| UNILAND ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| UNIVERSAL TEAM INDUSTRIAL LIMITED | Private company limited by shares | Dissolved |
| SMART UNION ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| ZENITH UNIVERSAL (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| UNISYS LIMITED | Private company limited by shares | Dissolved |
| UNION RICH HOLDINGS LIMITED | Private company limited by shares | Live |
| UNIRESOURCES HONG KONG LIMITED | Private company limited by shares | Dissolved |
| UNION MAX INTERNATIONAL DEVELOPMENT LIMITED | Private company limited by shares | Dissolved |
| UNIVERSAL SKY ENGINEERING LIMITED | Private company limited by shares | Live |
| UNITED MAX ENTERPRISE LIMITED | Private company limited by shares | Dissolved |
| UNION SOUND ENTERPRISE LIMITED | Private company limited by shares | Dissolved |
| UNION STYLE DEVELOPMENT LIMITED | Private company limited by shares | Live |