| VICTORY UNION TRADING DEVELOP LIMITED | Private company limited by shares | Live |
| WIN UNION TRADING DEVELOP LIMITED | Private company limited by shares | Live |
| UNION WAY HONG KONG INVESTMENT LIMITED | Private company limited by shares | Live |
| WORLD BRAND UNION GROUP LIMITED | Private company limited by shares | Live |
| Union Global Registration Limited | Private company limited by shares | Live |
| FAITHFUL UNION INVESTMENTS LIMITED | Private company limited by shares | Live |
| Unionplus Industrial Limited | Private company limited by shares | Live |
| CRYSTAL UNION LIMITED | Private company limited by shares | Live |
| SUPER UNION TECHNOLOGY CORP. LIMITED | Private company limited by shares | Live |
| YAT UNION TRADING DEVELOP LIMITED | Private company limited by shares | Live |
| China Fans Union Association Co., Limited | Private company limited by shares | Live |
| TAI UNION TRADING DEVELOP LIMITED | Private company limited by shares | Live |
| A ROAD & BELT CHINESE MERCHANTS UNION LIMITED | Private company limited by shares | Live |
| Union Music Limited | Private company limited by shares | Live |
| UNION MARVEL INTERNATIONAL LIMITED | Private company limited by shares | Live |
| CHINA UNION DEVELOPMENT GROUP HOLDINGS LIMITED | Private company limited by shares | Live |
| CHAMPION UNION (INT'L) HOLDING LIMITED | Private company limited by shares | Live |
| SUN UNION TRADING DEVELOP LIMITED | Private company limited by shares | Live |
| Union Holding International Company Limited | Private company limited by shares | Live |
| China Artists Union Limited | Private company limited by shares | Live |
| UNION CHANCE (HONG KONG) CO., LIMITED | Private company limited by shares | Live |
| WEALTH UNION GROUP HOLDING LIMITED | Private company limited by shares | Live |
| Man Fai Union Eng Co. Limited | Private company limited by shares | Live |
| WING UNION TRADING DEVELOP LIMITED | Private company limited by shares | Live |
| EASY UNION LOGISTICS LIMITED | Private company limited by shares | Live |
| UNION DEAL IMP AND EXP CO., LIMITED | Private company limited by shares | Live |
| UNION ACE LIMITED | Private company limited by shares | Live |
| Hunghom Union Property Agency Limited | Private company limited by shares | Live |
| UNION SOURCE CO., LIMITED | Private company limited by shares | Live |
| Hong Kong Group Union Environment Limited | Private company limited by shares | Live |
| ON UNION INVESTMENT LIMITED | Private company limited by shares | Live |
| R&J Union Trading Co., Limited | Private company limited by shares | Live |
| Grand Union Investment Hong Kong Limited | Private company limited by shares | Live |
| Global Union Corporation Limited | Private company limited by shares | Live |
| UNION EAST LIMITED | Private company limited by shares | Live |
| International Light Volleyball Union Limited | Private company limited by shares | Live |
| TOP UNION HOLDINGS LIMITED | Private company limited by shares | Live |
| Fame Union International Holding Limited | Private company limited by shares | Live |
| CHINA UNION SEALAND GROUP LIMITED | Private company limited by shares | Live |
| SOURCE UNION TRADING DEVELOP LIMITED | Private company limited by shares | Live |
| LENGTH UNION INVESTMENT LIMITED | Private company limited by shares | Live |
| Southern Union International Limited | Private company limited by shares | Live |
| WORLD SPORTS UNION LIMITED | Private company limited by shares | Live |
| Union Oriental Trading Co., Limited | Private company limited by shares | Live |
| Hong Kong Teachers Union Limited | Private company limited by shares | Live |
| Union Innovation Investment Limited | Private company limited by shares | Live |
| DEKO UNION (HONG KONG) CO., LIMITED | Private company limited by shares | Live |
| UNION AUSSIE TRADING DEVELOP LIMITED | Private company limited by shares | Live |
| E.M UNION TRADING LIMITED | Private company limited by shares | Live |
| UNIONPLASTIC LIMITED | Private company limited by shares | Live |
| UNION ACCORD LIMITED | Private company limited by shares | Live |
| China Overseas Union Resources Group Limited | Private company limited by shares | Live |
| LEADER UNION LIMITED | Private company limited by shares | Live |
| UNION MERCHANT TRADING DEVELOP LIMITED | Private company limited by shares | Live |
| UNION TOPRICH TRADING DEVELOP LIMITED | Private company limited by shares | Live |
| LIGHT UNION TRADING DEVELOP LIMITED | Private company limited by shares | Live |
| BIO UNION HK LIMITED | Private company limited by shares | Live |
| INTERNATIONAL UNION (HK) LIMITED | Private company limited by shares | Live |
| Union Catering Group (HK) Limited | Private company limited by shares | Live |
| UNION CHUN TRADING DEVELOP LIMITED | Private company limited by shares | Live |
| GENIUS UNION LIMITED | Private company limited by shares | Live |
| HK UNION BEAUTY INTERNATIONAL LIMITED | Private company limited by shares | Live |
| ONE UNION TRADING DEVELOP LIMITED | Private company limited by shares | Live |
| UNION ONE TRADING DEVELOP LIMITED | Private company limited by shares | Live |
| UNION TREASURE TRADING DEVELOP LIMITED | Private company limited by shares | Live |
| UNION YING TRADING DEVELOP LIMITED | Private company limited by shares | Live |
| WEALTH UNION HONG KONG TRADING LIMITED | Private company limited by shares | Live |
| UNION SHING TRADING DEVELOP LIMITED | Private company limited by shares | Live |
| Uniongain Electronics Industry Co., Limited | Private company limited by shares | Live |
| UNION HILL LIMITED | Private company limited by shares | Live |
| VISION UNION LIMITED | Private company limited by shares | Live |
| ACTV UNION LIMITED | Private company limited by shares | Live |
| UNION FOOD INDUSTRY GROUP CO., LIMITED | Private company limited by shares | Live |
| Union Hash Limited | Private company limited by shares | Live |
| Union Global Trading Group Limited | Private company limited by shares | Live |
| UNION ALPHA LIMITED | Private company limited by shares | Live |
| Eastern Union Trading Co., Limited | Private company limited by shares | Live |
| LUCK UNION IMPORT & EXPORT COMPANY LIMITED | Private company limited by shares | Live |
| UNION SEE TRADING DEVELOP LIMITED | Private company limited by shares | Live |
| Oceanic Union (Hong Kong) Limited | Private company limited by shares | Live |
| UNION IMAGING AND HEALTHCHECK LIMITED | Private company limited by shares | Live |
| HUGE UNION INTERNATIONAL LIMITED | Private company limited by shares | Live |
| UNION PRINTING & PACKING (HONG KONG) LIMITED | Private company limited by shares | Live |
| CRBC European Union Investment Limited | Private company limited by shares | Live |
| Union Group Investment Holdings Limited | Private company limited by shares | Live |
| BOSS UNION LIMITED | Private company limited by shares | Live |
| International Nursing Union Corporation Limited | Private company limited by shares | Live |
| HK TOP UNION LIMITED | Private company limited by shares | Live |
| YZK UNION GROUP LIMITED | Private company limited by shares | Live |
| UNIOTEC LIMITED | Private company limited by shares | Live |
| UNION HONEST TRADING DEVELOP LIMITED | Private company limited by shares | Live |
| UNION PLUS TRADING DEVELOP LIMITED | Private company limited by shares | Live |
| HAPPY UNION TRADING DEVELOP LIMITED | Private company limited by shares | Live |
| UNION JET GLOBAL LIMITED | Private company limited by shares | Live |
| UNION PROSPERITY INTERNATIONAL SHIPPING CO., LIMITED | Private company limited by shares | Live |
| UNION CHEERFUL INTERNATIONAL LIMITED | Private company limited by shares | Live |
| Union Electronic Technology Limited | Private company limited by shares | Live |
| GLORIOUS UNION INVESTMENTS LIMITED | Private company limited by shares | Live |
| RISING UNION INVESTMENTS LIMITED | Private company limited by shares | Live |
| UNION TIME GROUP LIMITED | Private company limited by shares | Live |