| Exotica Universe Limited | Private company limited by shares | Live |
| UNION VILLE LIMITED | Private company limited by shares | Live |
| Union Charm Investment Holding Limited | Private company limited by shares | Dissolved |
| EXTREME UNION COMPANY LIMITED | Private company limited by shares | Live |
| EAST UNION ENERGY GROUP LIMITED | Private company limited by shares | Live |
| CHINA MINMERCHANT UNION CO., LIMITED | Private company limited by shares | Live |
| EASTERN UNIT LIMITED | Private company limited by shares | Live |
| INTERNATIONAL UNION CORPORATION LIMITED | Private company limited by shares | Dissolved |
| UNION DRAGON INTERNATIONAL LIMITED | Private company limited by shares | Live |
| CHINA BUSINESS UNION DEVELOPMENT CO., LIMITED | Private company limited by shares | Live |
| GL UNDERGROUND LIMITED | Private company limited by shares | Live |
| I-tech Union Limited | Private company limited by shares | Live |
| FANCY UNION LIMITED | Private company limited by shares | Live |
| NINGBO AJ UNION IMP &EXP CORPORATION LIMITED | Private company limited by shares | Live |
| University Station Limited | Private company limited by shares | Live |
| UNION GRACE CORPORATION LIMITED | Private company limited by shares | Live |
| ALQUIMODO UNIPESSOAL LIMITED | Private company limited by shares | Live |
| UNION FLOW INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| SKY UNION INVESTMENTS LIMITED | Private company limited by shares | Live |
| TOP UNITED INVESTMENTS LIMITED | Private company limited by shares | Live |
| UNION CROWN INVESTMENTS LIMITED | Private company limited by shares | Live |
| TOP UNION TECHNIQUE (HK) CO., LIMITED | Private company limited by shares | Live |
| MIGHTY UNION INTERNATIONAL LIMITED | Private company limited by shares | Live |
| Golden Union Smart Card Co., Limited | Private company limited by shares | Live |
| Unitrontech (Hong Kong) Limited | Private company limited by shares | Live |
| Champion Union Trading Limited | Private company limited by shares | Live |
| SPIRIT OF THE UNION LIMITED | Private company limited by shares | Live |
| WORLD UNION GROUP HONGKONG LIMITED | Private company limited by shares | Live |
| 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 |
| UNOGOOD LIMITED | Private company limited by shares | Dissolved |
| UNION E-CIG GROUP CO., LIMITED | Private company limited by shares | Live |
| DONGGUAN HHH UNION LIMITED | Private company limited by shares | Live |
| UNSQUARE ARCHITECTS LIMITED | Private company limited by shares | Dissolved |
| 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 |
| UNGERT LINE 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 |
| Hong Kong Little Women Underwear Group International Co., 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 |