| Advanced Medical Union (HongKong) Co., Limited | Private company limited by shares | Live |
| GRACE UNION DEVELOPMENT LIMITED | Private company limited by shares | Live |
| WORLD UNION LOGISTICS LIMITED | Private company limited by shares | Live |
| TRUTH UNION FREIGHT SERVICES COMPANY LIMITED | Private company limited by shares | Live |
| CHINA ADVERTISEMENT MATERIAL UNION SHARE LIMITED | Private company limited by shares | Live |
| CHINA BUSINESS UNION INVESTMENT HOLDINGS LIMITED | Private company limited by shares | Live |
| INTERNATIONAL HEALTH YANGSHENG INDUSTRY UNION LIMITED | Private company limited by shares | Live |
| HONGKONG UNION PUBLIC TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| HK UNION LINK INVESTMENTS LIMITED | Private company limited by shares | Live |
| ASIA UNION INC LIMITED | Private company limited by shares | Live |
| INTERNATIONAL UNION INC LIMITED | Private company limited by shares | Live |
| SINO GOLDEN UNION LIMITED | Private company limited by shares | Live |
| DACHENG UNION CO., LIMITED | Private company limited by shares | Dissolved |
| UNION STEP INVESTMENTS LIMITED | Private company limited by shares | Live |
| Union Luxe Industrial Limited | Private company limited by shares | Live |
| UNION MINING AND ENERGY ENTERPRISE CO., LIMITED | Private company limited by shares | Live |
| Union International Consultancy Co., Limited | Private company limited by shares | Live |
| Union Imports and Exports Limited | Private company limited by shares | Live |
| RICH UNION INTERNATIONAL (HK) LIMITED | Private company limited by shares | Live |
| SMART UNION INTERNATIONAL TRADING LIMITED | Private company limited by shares | Live |
| WEALTH UNION INVESTMENT LIMITED | Private company limited by shares | Live |
| UNION TOP TRADING LIMITED | Private company limited by shares | Live |
| UNION TEAM CORPORATION LIMITED | Private company limited by shares | Live |
| SMART UNION INC LIMITED | Private company limited by shares | Live |
| PROFESSIONAL UNION LIMITED | Private company limited by shares | Live |
| ASIA UNION LOGISTICS LIMITED | Private company limited by shares | Live |
| UNION ACCESS INTERNATIONAL (HK) LIMITED | Private company limited by shares | Live |
| UNION (CHINA) CONSTRUCTION MACHINERY CO., LIMITED | Private company limited by shares | Live |
| Union Outsourcing Service Co., Limited | Private company limited by shares | Live |
| PROFESSIONAL UNION INC LIMITED | Private company limited by shares | Live |
| UNION ELITE CAPITAL RESOURCES LIMITED | Private company limited by shares | Live |
| UNION LIGHT INC LIMITED | Private company limited by shares | Live |
| ALL UNION LIMITED | Private company limited by shares | Live |
| UNION INNOVATION ELECTRONICS LIMITED | Private company limited by shares | Live |
| UNION AIR & SEA CARGO CO., LIMITED | Private company limited by shares | Live |
| UK CHINA STUDENT UNION LIMITED | Private company limited by shares | Live |
| Topglory Union Limited | Private company limited by shares | Live |
| XI'AN EASTERN UNION PETROLEUM EQUIPMENT LIMITED | Private company limited by shares | Live |
| Sunrise Sailboat Union Development Co., Limited | Private company limited by shares | Live |
| CHT Union Development Co., Limited | Private company limited by shares | Live |
| WORLD UNION CRUISE LIMITED | Private company limited by shares | Live |
| Union Investment (HongKong) Company Limited | Private company limited by shares | Live |
| EASTERN UNION HOLDINGS LIMITED | Private company limited by shares | Live |
| CHINA VEGETARIAN DIET UNION LIMITED | Private company limited by shares | Live |
| UNION WEALTH INC LIMITED | Private company limited by shares | Live |
| GOLDEN UNION PACKING MATERIAL COMPANY LIMITED | Private company limited by shares | Live |
| CHINA INTERNATIONAL FINANCIAL UNION CO., LIMITED | Private company limited by shares | Live |
| CHINA INTERNATIONAL ENERGY UNION CO., LIMITED | Private company limited by shares | Live |
| UNION PAINTING ENGINEERING LIMITED | Private company limited by shares | Live |
| UNION HOPE CATERING DEVELOPMENT LIMITED | Private company limited by shares | Live |
| EASE UNION LIMITED | Private company limited by shares | Live |
| E-Town Union (HK) Limited | Private company limited by shares | Live |
| UNION RIVER HOLDINGS LIMITED | Private company limited by shares | Live |
| BIG UNION TRADING DEVELOP LIMITED | Private company limited by shares | Live |
| UNION AWARD INTERNATIONAL LIMITED | Private company limited by shares | Live |
| Hyper System Union Limited | Private company limited by shares | Live |
| SooChow Union Development Industrial Co., Limited | Private company limited by shares | Live |
| UNION TACT HOLDINGS LIMITED | Private company limited by shares | Live |
| Fortune Union International Investment Limited | Private company limited by shares | Live |
| UNION SHINE TRADING DEVELOP LIMITED | Private company limited by shares | Live |
| UNION OCEAN SHIPPING SHANGHAI CO., LIMITED | Private company limited by shares | Live |
| UNION CHINA & ASIA HOLDINGS LIMITED | Private company limited by shares | Live |
| AMAZING UNION LIMITED | Private company limited by shares | Live |
| HANKUN UNION (HK) CULTURE DEVELOPMENT LIMITED | Private company limited by shares | Live |
| UNION POINTER LIMITED | Private company limited by shares | Live |
| China Union Group Limited | Private company limited by shares | Live |
| China Filmmakers Union Group Co., Limited | Private company limited by shares | Live |
| CHINA UNION (HK) INTERNATIONAL TRADE LIMITED | Private company limited by shares | Live |
| UNION SUCCESS INC LIMITED | Private company limited by shares | Live |
| BRIGHT UNION INC LIMITED | Private company limited by shares | Live |
| UNION BRILLIANT LIMITED | Private company limited by shares | Live |
| UNION TRADING (GZ) CO., LIMITED | Private company limited by shares | Live |
| TOP UNION GROUP TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| China OTCBB Service Provider Union Limited | Private company limited by shares | Live |
| UNION (H.K) OF SOCIAL ENTREPRENEURS LIMITED | Company limited by guarantee | Live |
| SHARP UNION INC LIMITED | Private company limited by shares | Live |
| CHINA UNION INVESTMENTS LIMITED | Private company limited by shares | Live |
| Union Gain Engineering Company Limited | Private company limited by shares | Live |
| KEEN UNION LIMITED | Private company limited by shares | Live |
| SKY UNION CORPORATION LIMITED | Private company limited by shares | Live |
| UNION RICH (C-HK) LIMITED | Private company limited by shares | Live |
| GOOD UNION (H.K.) TRADING LIMITED | Private company limited by shares | Live |
| UNION LEADER INC LIMITED | Private company limited by shares | Live |
| ORIENTAL UNION INC LIMITED | Private company limited by shares | Live |
| UNION FULL PROPERTIES LIMITED | Private company limited by shares | Live |
| UNION FORTUNE INC LIMITED | Private company limited by shares | Live |
| UNION SERVICES (HK) LIMITED | Private company limited by shares | Live |
| MARKET UNION LIMITED | Private company limited by shares | Live |
| UNION ACCOUNTING COMPANY LIMITED | Private company limited by shares | Live |
| UNION SUCCESS ENGINEERING LIMITED | Private company limited by shares | Live |
| UNION GZ TRADING LIMITED | Private company limited by shares | Live |
| UNION MILLION LIMITED | Private company limited by shares | Live |
| UNION PACKING MATERIALS (HK) CO., LIMITED | Private company limited by shares | Live |
| UNION CHEER INVESTMENT LIMITED | Private company limited by shares | Live |
| UNION SHING INT'L DEVELOP LIMITED | Private company limited by shares | Live |
| BRIGHT UNION TRADING DEVELOP LIMITED | Private company limited by shares | Live |
| PREMIER UNION OVERSEAS COMPANY LIMITED | Private company limited by shares | Live |
| Union Pacific Global Limited | Private company limited by shares | Live |
| JUN UNION INTERNATIONAL LIMITED | Private company limited by shares | Live |
| GREAT UNION FOOD & DRINKS CO. LIMITED | Private company limited by shares | Dissolved |