| UNION GOLD ENTERPRISES LIMITED | Private company limited by shares | Live |
| UNION GOLD INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| YEE TAI UNION ENTERPRISE COMPANY LIMITED | Private company limited by shares | Live |
| GLOBAL UNION INTERNATIONAL LIMITED | Private company limited by shares | Live |
| GLORY UNIVERSE INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| GLORY UNIVERSAL INVESTMENT LIMITED | Private company limited by shares | Live |
| GLORY UNIVERSE INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| GLORY UNIVERSE ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| UNIVERSAL LINK ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| KIO UNION (HK) CO. LIMITED | Private company limited by shares | Live |
| BRIGHT UNIVERSE INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| UNION SINO INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| UNICOM INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| PROSPER UNION INVESTMENTS LIMITED | Private company limited by shares | Live |
| GLORY UNIT INVESTMENTS LIMITED | Private company limited by shares | Live |
| UNITED MUSIC LIMITED | Private company limited by shares | Dissolved |
| FAST UNION INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| FAITH UNION CHINA LIMITED | Private company limited by shares | Dissolved |
| NICE UNION CHINA LIMITED | Private company limited by shares | Dissolved |
| GOLD UNION CORPORATION LIMITED | Private company limited by shares | Dissolved |
| UNI-WIT SHIPPING LIMITED | Private company limited by shares | Dissolved |
| SAFE UNION CORPORATION LIMITED | Private company limited by shares | Dissolved |
| UNICOMM LIMITED | Private company limited by shares | Dissolved |
| WEALTHY UNICORN LIMITED | Private company limited by shares | Dissolved |
| UNI-JOHNSON ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| FAITH UNION FAR EAST LIMITED | Private company limited by shares | Dissolved |
| UNI-JOHNSON INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| EAST UNION SERVICES LIMITED | Private company limited by shares | Dissolved |
| UNION FRIEND HOLDINGS LIMITED | Private company limited by shares | Dissolved |
| INTERNATIONAL UNION TRADING LIMITED | Private company limited by shares | Dissolved |
| UNION INTERNATIONAL TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| UNI-SPARK ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| WIN UNION GARMENT LIMITED | Private company limited by shares | Dissolved |
| LUCKY UNIVERSAL LIMITED | Private company limited by shares | Dissolved |
| POLYWEAL UNIVERSAL LIMITED | Private company limited by shares | Dissolved |
| HOMELY UNIVERSAL LIMITED | Private company limited by shares | Dissolved |
| PEARL UNION UNIVERSAL LIMITED | Private company limited by shares | Dissolved |
| SOUTH OCEAN UNIVERSAL LIMITED | Private company limited by shares | Dissolved |
| UNI-PLEX LIMITED | Private company limited by shares | Dissolved |
| GOLD UNION FAR EAST LIMITED | Private company limited by shares | Dissolved |
| UNION BROAD TRADING LIMITED | Private company limited by shares | Dissolved |
| UNITED WIN TRADING LIMITED | Private company limited by shares | Dissolved |
| UNISON WEALTH INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| UNIVERSE GROUP LIMITED | Private company limited by shares | Live |
| CENTRE UNION DEVELOPMENT LIMITED | Private company limited by shares | Dissolved |
| CENTRE UNION INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| GENIUS UNION LIMITED | Private company limited by shares | Dissolved |
| LEAD UNION INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| UNIVERSAL MATRIX LIMITED | Private company limited by shares | Dissolved |
| UNITRON ASIA LIMITED | Private company limited by shares | Dissolved |
| UNION WEALTH INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| UNION WEALTH LIMITED | Private company limited by shares | Dissolved |
| CENTRE UNION INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| CENTRE UNION LIMITED | Private company limited by shares | Dissolved |
| CITY UNISON LIMITED | Private company limited by shares | Dissolved |
| SUNNY UNIVERSE LIMITED | Private company limited by shares | Dissolved |
| PAN UNION INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| LONG UNION INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| UNIQUE HERO COMPANY LIMITED | Private company limited by shares | Dissolved |
| UNION INTERNATIONAL (HOLDINGS) COMPANY LIMITED | Private company limited by shares | Dissolved |
| ALLIED UNION HOLDINGS LIMITED | Private company limited by shares | Dissolved |
| UNISEA ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| UNISEA LIMITED | Private company limited by shares | Dissolved |
| SINO UNION HONG KONG LIMITED | Private company limited by shares | Dissolved |
| PRO UNIVERSAL ENTERPRISE LIMITED | Private company limited by shares | Dissolved |
| UNITED COURIER LIMITED | Private company limited by shares | Dissolved |
| UNION OF PEOPLE INDUSTRIAL COMPANY LIMITED | Private company limited by shares | Dissolved |
| UNION BEST PRINTING LIMITED | Private company limited by shares | Dissolved |
| HONG KONG UNION COMPANY LIMITED | Private company limited by shares | Dissolved |
| UNION PATENT SERVICE CENTRE LIMITED | Private company limited by shares | Live |
| UNITED FORCES LIMITED | Private company limited by shares | Dissolved |
| UNION BOOKS AND MAGAZINES DISTRIBUTION COMPANY LIMITED | Private company limited by shares | Dissolved |
| UNITED PACIFIC CORP., LIMITED | Private company limited by shares | Live |
| MARVEL UNION ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| WISE UNION ENTERPRISE LIMITED | Private company limited by shares | Dissolved |
| UNIWEALTH HI-TECH INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| UNION STRONG INTERNATIONAL ENTERPRISE LIMITED | Private company limited by shares | Dissolved |
| UNION SOLTEK (HONG KONG) CO. LIMITED | Private company limited by shares | Dissolved |
| RICH UNION MANAGEMENT LIMITED | Private company limited by shares | Dissolved |
| CHINA UNITED ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| UNION KING ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| HARVEST UNION LIMITED | Private company limited by shares | Dissolved |
| UNILAND LIMITED | Private company limited by shares | Live |
| UNICOOPERATE INTERNATIONAL (H.K.) COMPANY LIMITED | Private company limited by shares | Live |
| UNISHARE LIMITED | Private company limited by shares | Live |
| THREE UNION INDUSTRIES LIMITED | Private company limited by shares | Dissolved |
| UNIHILL LIMITED | Private company limited by shares | Dissolved |
| UNIVERSAL TRIUMPH LIMITED | Private company limited by shares | Live |
| UNIVERSAL NOBILITY LIMITED | Private company limited by shares | Dissolved |
| UNIVERSAL RANK LIMITED | Private company limited by shares | Dissolved |
| UNION POWER SYSTEM LIMITED | Private company limited by shares | Dissolved |
| UNIVERSAL GEAR LIMITED | Private company limited by shares | Dissolved |
| UNIVERSAL GEAR MANAGEMENT LIMITED | Private company limited by shares | Dissolved |
| UNIVERSE ENGINEERING COMPANY LIMITED | Private company limited by shares | Live |
| CENTRAL CONNECTICUT STATE UNIVERSITY FOUNDATION LIMITED | Private company limited by shares | Dissolved |
| GOLDEN UNION DEVELOPMENT LIMITED | Private company limited by shares | Live |
| UNIVERSAL WIN INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| UNIVERSAL TREASURE INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| UNITED BOND INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| UNIVERSAL MINT LIMITED | Private company limited by shares | Dissolved |