| CHINA INTERNATIONAL MINE INVESTMENT UNION LIMITED | Private company limited by shares | Live |
| UNION EC LIMITED | Private company limited by shares | Live |
| Way Union Finance Limited | Private company limited by shares | Live |
| CHARM UNION LIMITED | Private company limited by shares | Live |
| SURPLUS UNION LIMITED | Private company limited by shares | Dissolved |
| UNION BENEFIT ASIA LIMITED | Private company limited by shares | Dissolved |
| Cloud union Group Limited | Private company limited by shares | Live |
| Silver Union Capital (HK) Limited | Private company limited by shares | Live |
| GLOBAL SHOES UNION LIMITED | Private company limited by shares | Live |
| SINOLINK UNION COMPANY LIMITED | Private company limited by shares | Live |
| UNION WAY INC LIMITED | Private company limited by shares | Live |
| UNION BUSINESS HOLDINGS LIMITED | Private company limited by shares | Live |
| ASIAN UNION TRADING DEVELOP LIMITED | Private company limited by shares | Live |
| SINO UNION DYEING FACTORY LIMITED | Private company limited by shares | Live |
| Hong Kong Culture And Art Union Limited | Private company limited by shares | Dissolved |
| BEST UNION STEEL CO., LIMITED | Private company limited by shares | Live |
| Silver Union (HK) Investment Limited | Private company limited by shares | Dissolved |
| LEARNING UNION (CHINA) EDUCATION TECHNOLOGY LIMITED | Private company limited by shares | Live |
| AEROSPACE UNION LIMITED | Private company limited by shares | Live |
| Union Best Cultural Investment Limited | Private company limited by shares | Dissolved |
| SUCCESS UNION INC LIMITED | Private company limited by shares | Live |
| UNION CITY DEVELOPMENT LIMITED | Private company limited by shares | Live |
| EXCEL UNION DEVELOPMENT LIMITED | Private company limited by shares | Dissolved |
| HUAMEI UNION INT'L LIMITED | Private company limited by shares | Dissolved |
| WORLD CHINESE FINANCIER UNION LIMITED | Private company limited by shares | Live |
| Tung Union Construction Limited | Private company limited by shares | Live |
| EAST UNION RESTAURANT LIMITED | Private company limited by shares | Live |
| BROAD UNION CO., LIMITED | Private company limited by shares | Live |
| GREAT UNION TRADING DEVELOP LIMITED | Private company limited by shares | Live |
| UNION PLASTICS GROUP CO., LIMITED | Private company limited by shares | Live |
| MASTER UNION TRADING COMPANY LIMITED | Private company limited by shares | Dissolved |
| New Union Fortune International Trading Limited | Private company limited by shares | Live |
| Star Union Products Co., Limited | Private company limited by shares | Dissolved |
| BOSS UNION LIMITED | Private company limited by shares | Live |
| CHINA QATAR UNION PROCUREMENT LIMITED | Private company limited by shares | Live |
| CHINA CULTURE WEALTH UNION CO., LIMITED | Private company limited by shares | Live |
| CHINA CULTURE FORTUNE UNION CO., LIMITED | Private company limited by shares | Live |
| ZHONGYUAN CULTURE FORTUNE UNION CO., LIMITED | Private company limited by shares | Live |
| DS UNION POWER LIMITED | Private company limited by shares | Live |
| Keystone Union Limited | Private company limited by shares | Live |
| HK EAST UNION INVESTMENT MANAGEMENT CO., LIMITED | Private company limited by shares | Live |
| UNION TREND INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| UNION ABLE LIMITED | Private company limited by shares | Dissolved |
| FULL UNION TRADING LIMITED | Private company limited by shares | Live |
| UNION SUCCESS TRADING LIMITED | Private company limited by shares | Live |
| UNION SENSE ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| JOINT UNION DEVELOPMENT LIMITED | Private company limited by shares | Live |
| UNION GREAT INC LIMITED | Private company limited by shares | Dissolved |
| WORLD WEDDING UNION LIMITED | Private company limited by shares | Live |
| E & C UNION INSURANCE AGENT LIMITED | Private company limited by shares | Live |
| FORTUNE UNION HOLDINGS LIMITED | Private company limited by shares | Live |
| UNION ENGINEERING TRADING LIMITED | Private company limited by shares | Live |
| BEST UNION TRADING DEVELOP LIMITED | Private company limited by shares | Live |
| WESTER UNION COMPANY LIMITED | Private company limited by shares | Dissolved |
| GLOBAL UNION WEALTH MANAGEMENT LIMITED | Private company limited by shares | Live |
| UNION INVESTMENT LIMITED | Private company limited by shares | Live |
| UNIONLIGHT OPTOELECTRONICS COMPANY LIMITED | Private company limited by shares | Live |
| Gift Union Co., Limited | Private company limited by shares | Live |
| UNION HOLDING DEVELOPMENT LIMITED | Private company limited by shares | Live |
| UNION PLAY LIMITED | Private company limited by shares | Live |
| UNION CHEER (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| GRAND UNION INTERNATIONAL HOLDINGS LIMITED | Private company limited by shares | Live |
| UNION PROSPER INTERNATIONAL LIMITED | Private company limited by shares | Live |
| RISING UNION INTERNATIONAL LIMITED | Private company limited by shares | Live |
| UNION TONE INTERNATIONAL LIMITED | Private company limited by shares | Live |
| STRIDE UNION INTERNATIONAL LOGISTICS LIMITED | Private company limited by shares | Live |
| NEW UNION HOLDINGS LIMITED | Private company limited by shares | Dissolved |
| NEW UNION LIMITED | Private company limited by shares | Live |
| TOP UNION TRADING LIMITED | Private company limited by shares | Live |
| UNION SINO DEVELOPMENT LIMITED | Private company limited by shares | Dissolved |
| UNION CAPITAL HOLDINGS LIMITED | Private company limited by shares | Dissolved |
| UNION ALLIED LIMITED | Private company limited by shares | Dissolved |
| UNION CLASSIC LIMITED | Private company limited by shares | Dissolved |
| SURPLUS UNION (HK) LIMITED | Private company limited by shares | Dissolved |
| CHINA GOLDEN UNION HOLDING LIMITED | Private company limited by shares | Live |
| UNION METRO DEVELOPMENT LIMITED | Private company limited by shares | Live |
| KEEN UNION ENTERPRISE LIMITED | Private company limited by shares | Live |
| WELL UNION ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| UNION GREAT INVESTMENT LIMITED | Private company limited by shares | Live |
| UNION ON INVESTMENT LIMITED | Private company limited by shares | Live |
| Union Well International Group Limited | Private company limited by shares | Live |
| WISE UNION (HK) LIMITED | Private company limited by shares | Live |
| CHARM UNION INC LIMITED | Private company limited by shares | Live |
| WIN UNION HOLDINGS LIMITED | Private company limited by shares | Live |
| WORLD UNION (H.K.) LIMITED | Private company limited by shares | Dissolved |
| MAIN UNION TRADING LIMITED | Private company limited by shares | Dissolved |
| UNION METRO TRADING LIMITED | Private company limited by shares | Dissolved |
| UNION MAX LIMITED | Private company limited by shares | Live |
| UPPER UNION LIMITED | Private company limited by shares | Live |
| TOP UNION INTERNATIONAL LIMITED | Private company limited by shares | Live |
| UNION STARS LOYAL INDUSTRIAL CO., LIMITED | Private company limited by shares | Live |
| HK DACHENG UNION INT'L LIMITED | Private company limited by shares | Live |
| COAST UNION (HK) PETROCHEMICAL GROUP LIMITED | Private company limited by shares | Live |
| UNION POWER IMPORT AND EXPORT CO., LIMITED | Private company limited by shares | Live |
| UNION VISION ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| Unionboost Limited | Private company limited by shares | Live |
| UNION SKY JET LIMITED | Private company limited by shares | Live |
| JING UNION INTERNACIONAL (HK) LIMITED | Private company limited by shares | Live |
| UNION-POWERS LIGHTING TECHNOLOGY LIMITED | Private company limited by shares | Live |
| FREE UNION INTERNATIONAL LIMITED | Private company limited by shares | Live |