| WISDOM UNION INTERNATIONAL ENTERPRISE LIMITED | Private company limited by shares | Live |
| EASY UNION INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| UNIVERSAL SKYTEC LIMITED | Private company limited by shares | Dissolved |
| UNION CYBER TECHNOLOGIES (ASIA) LIMITED | Private company limited by shares | Live |
| UNION EASTERN INTERNATIONAL ENTERPRISE LIMITED | Private company limited by shares | Live |
| UNION LUCKY SHIPPING LIMITED | Private company limited by shares | Dissolved |
| Union Trade Holdings Limited | Private company limited by shares | Live |
| UNION E-CIG GROUP CO., LIMITED | Private company limited by shares | Live |
| DONGGUAN HHH UNION LIMITED | Private company limited by shares | Live |
| Kam Fu (Universal) Company Limited | Private company limited by shares | Live |
| SHANGHAI UNIQUE ENGINEERING CO., LIMITED | Private company limited by shares | Live |
| ID UNION INTERNATIONAL TECHNOLOGY LIMITED | Private company limited by shares | Live |
| AUSTRIAN UNION INTERNATIONAL TRADING CO., LIMITED | Private company limited by shares | Live |
| COLLECTORS UNIVERSE (HONG KONG) LIMITED | Private company limited by shares | Live |
| CHINA SIXIANGJIA FAMOUS WINE COLLECTION UNION INSTITUTIONS LIMITED | Private company limited by shares | Live |
| China United Financial Investment Holdings (Group) Limited | Private company limited by shares | Live |
| Z.X.W UNION INTERNATIONAL CO, LIMITED | Private company limited by shares | Live |
| UNION TECH HOLDING LIMITED | Private company limited by shares | Live |
| DA JING ZHU SHI UNION GROUP LIMITED | Private company limited by shares | Dissolved |
| INFORICH UNION TECHNOLOGY LIMITED | Private company limited by shares | Live |
| Nice Union & Associates Limited | Private company limited by shares | Dissolved |
| UNION POWER-TECH HOLDINGS CO., LIMITED | Private company limited by shares | Live |
| LUCKY UNION (HONG KONG) LIMITED | Private company limited by shares | Live |
| BENEFIT UNION LIMITED | Private company limited by shares | Live |
| ABLE UNION CORPORATION LIMITED | Private company limited by shares | Live |
| S.T.C. UNIVERSAL HOLDING LIMITED | Private company limited by shares | Live |
| UNION WEALTHY INVESTMENT LIMITED | Private company limited by shares | Live |
| Union Science and Technology Co., Limited | Private company limited by shares | Dissolved |
| WEALTHY UNIVERSE (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| BRIGHT UNION INVESTMENT LIMITED | Private company limited by shares | Live |
| LONG UNIVERSE LIMITED | Private company limited by shares | Live |
| UNITED POWER INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| NASSMEH UNITED CO., LIMITED | Private company limited by shares | Live |
| SPECIAL UNIONS LIMITED | Private company limited by shares | Live |
| UNITED TOPS LIMITED | Private company limited by shares | Live |
| CHEER UNION DEVELOPMENT LIMITED | Private company limited by shares | Live |
| UNION CHANGJIANG INVESTMENT (HK) LIMITED | Private company limited by shares | Live |
| United Oil & Resources Trading Limited | Private company limited by shares | Live |
| HAPPY UNION CORPORATION LIMITED | Private company limited by shares | Live |
| UNION DOMINANT LIMITED | Private company limited by shares | Dissolved |
| UNITED FRUITFUL LIMITED | Private company limited by shares | Live |
| INTERNATIONAL CHINESE BUSINESS UNION STOCK LIMITED | Private company limited by shares | Live |
| UNION PROSPER INVESTMENT LIMITED | Private company limited by shares | Live |
| UNITED 3 LIMITED | Private company limited by shares | Live |
| UNION PICTURES LIMITED | Private company limited by shares | Live |
| Universal Friendship Charity Limited | Company limited by guarantee | Live |
| FULL UNION CORPORATION LIMITED | Private company limited by shares | Live |
| UNION GOOD CORPORATION LIMITED | Private company limited by shares | Dissolved |
| PUBLIC UNION INTERNATIONAL TRADING CO., LIMITED | Private company limited by shares | Live |
| HONGKONG 7 UNION LIMITED | Private company limited by shares | Live |
| UNION GROUP HK INT'L TRADING CO., LIMITED | Private company limited by shares | Live |
| China UniCorp Enterprises Limited | Private company limited by shares | Live |
| UNION TANKERS COMPANY LIMITED | Private company limited by shares | Live |
| FANTASTIC UNION LIMITED | Private company limited by shares | Live |
| HUITONG UNIVERSAL INVESTMENT CO., LIMITED | Private company limited by shares | Live |
| UNION LINKS COMPANY LIMITED | Private company limited by shares | Live |
| UNITE PEOPLE COMPANY LIMITED | Private company limited by shares | Live |
| CHINA UNION ASIA PACIFIC LIMITED | Private company limited by shares | Live |
| SMART UNION CONSULTANTS LIMITED | Private company limited by shares | Live |
| UNITED RICH PROPERTIES LIMITED | Private company limited by shares | Live |
| UNITED SUCCESS CREATION LIMITED | Private company limited by shares | Dissolved |
| CHINA ENERGY ENTERPRISE UNION LIMITED | Private company limited by shares | Dissolved |
| Asia Union International Motor Company Limited | Private company limited by shares | Live |
| VAST UNIMPEDED HOLDING LIMITED | Private company limited by shares | Live |
| OANNY ONE UNIVERSAL TRADE CONSULTING LIMITED | Private company limited by shares | Live |
| EAST UNION TRADE GROUP LIMITED | Private company limited by shares | Live |
| Artman Union Co., Limited | Private company limited by shares | Live |
| XM UNITED LIMITED | Private company limited by shares | Dissolved |
| CHAT UNION SICON HONG KONG COMPANY LIMITED | Private company limited by shares | Live |
| GLORY UNION CORPORATION LIMITED | Private company limited by shares | Live |
| UNION MEGA LIMITED | Private company limited by shares | Dissolved |
| TAIWAN LVGU UNIFIED GROUP WINE-MAKING LIMITED | Private company limited by shares | Dissolved |
| UNION PROFIT LIMITED | Private company limited by shares | Live |
| SILVER UNION LIMITED | Private company limited by shares | Live |
| UNION MARK INDUSTRIES LIMITED | Private company limited by shares | Dissolved |
| SKYTRADE UNION INTERNATIONAL LIMITED | Private company limited by shares | Live |
| ASSOCIATION OF WORLD UNION FUND LIMITED | Private company limited by shares | Live |
| UNION WISDOM INTERNATIONAL INDUSTRIAL LIMITED | Private company limited by shares | Live |
| JD IMT Universe Trading Company Limited | Private company limited by shares | Dissolved |
| UNIK COMPANY LIMITED | Private company limited by shares | Live |
| ADVANCED UNICOM LIMITED | Private company limited by shares | Dissolved |
| Uni-Health Company Limited | Private company limited by shares | Live |
| UNIVERSAL RETAIL PHARMACY LIMITED | Private company limited by shares | Dissolved |
| UNIVERSO (CHINA) HOLDING LIMITED | Private company limited by shares | Dissolved |
| Hong Kong Union International Trading Limited | Private company limited by shares | Live |
| UNIVERSAL E-COMMERCE CO., LIMITED | Private company limited by shares | Live |
| Uniteki Corporation Limited | Private company limited by shares | Live |
| Intelligence Union (HKG) Consulting Co., Limited | Private company limited by shares | Live |
| WORLD UNION FORTUNE CLUB CO., LIMITED | Private company limited by shares | Live |
| UNIPRO TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| Mali Universal Technology Co. Limited | Private company limited by shares | Dissolved |
| UNITED BRIGHTEN LIMITED | Private company limited by shares | Live |
| UNIVER ASIA LIMITED | Private company limited by shares | Live |
| FIRST UNION INTERNATIONAL TRADING CO., LIMITED | Private company limited by shares | Live |
| UNIQUE TOP LIMITED | Private company limited by shares | Live |
| GRAND UNION CORPORATION LIMITED | Private company limited by shares | Live |
| EAST ENTERPRISER UNION GROUP LIMITED | Private company limited by shares | Live |
| UNITECH SOLUTIONS LIMITED | Private company limited by shares | Live |
| GLOBAL BRAND AMBASSADOR UNION ASSOCIATION LIMITED | Private company limited by shares | Dissolved |
| UNION FIDELITY INVESTMENTS LIMITED | Private company limited by shares | Live |