| UNION INDUSTRY EQUIPMENTS LIMITED | Private company limited by shares | Live |
| HUN UNION INVESTMENT LIMITED | Private company limited by shares | Live |
| Education Centres' Union Limited | Private company limited by shares | Live |
| Union Wealth International Holdings Limited | Private company limited by shares | Live |
| Espery Union Co., Limited | Private company limited by shares | Live |
| Union Safety Services Limited | Private company limited by shares | Live |
| WORLD SHIYEJIA UNION GROUP LIMITED | Private company limited by shares | Live |
| Union Translation Service Limited | Private company limited by shares | Live |
| HK WE UNION EDUCATION COMPANY LIMITED | Private company limited by shares | Live |
| International Union Fitness Food Limited | Private company limited by shares | Live |
| Union Star Lighting Limited | Private company limited by shares | Live |
| STARS UNION TRADING DEVELOP LIMITED | Private company limited by shares | Live |
| UNION SKYTONE TRADING DEVELOP LIMITED | Private company limited by shares | Live |
| China Union Sports Technology Limited | Private company limited by shares | Live |
| Union Kitchen Limited | Private company limited by shares | Live |
| AA Union Company Limited | Private company limited by shares | Live |
| Big Metal Union Co., Limited | Private company limited by shares | Live |
| RESOURCE UNION LIMITED | Private company limited by shares | Live |
| UNION HEALTH LIMITED | Private company limited by shares | Live |
| Hong Kong Ability Union Investment Company Limited | Private company limited by shares | Live |
| Union Read Limited | Private company limited by shares | Live |
| DRAGON UNION TRADING DEVELOP LIMITED | Private company limited by shares | Live |
| International IT Union Limited | Private company limited by shares | Live |
| EASY UNION INVESTMENTS LIMITED | Private company limited by shares | Live |
| Union Design House International Limited | Private company limited by shares | Live |
| GOLD UNION RICH TRADING DEVELOP LIMITED | Private company limited by shares | Live |
| RISE UNION TRADING LIMITED | Private company limited by shares | Live |
| Union Engineering Asia Limited | Private company limited by shares | Live |
| UNION HONG KONG DEVELOPMENT HOLDINGS LIMITED | Private company limited by shares | Live |
| Global Teochew Union Co., Limited | Private company limited by shares | Live |
| Union Logistics (Hong Kong) Limited | Private company limited by shares | Live |
| Union Fortune Industry Limited | Private company limited by shares | Live |
| Surreyer Chinese Union Co., Limited | Private company limited by shares | Live |
| Union Passenger Limited | Private company limited by shares | Live |
| Union Prosperity Limited | Private company limited by shares | Live |
| UNION PLATFORM LIMITED | Private company limited by shares | Live |
| LRC UNION ASIA LIMITED | Private company limited by shares | Live |
| UNION CHINA GROUP HOLDING LIMITED | Private company limited by shares | Live |
| MILLION STARS UNION TECHNOLOGY LIMITED | Private company limited by shares | Live |
| Sinocare Cosmetic Union Limited | Private company limited by shares | Live |
| JC UNION MARINE CO., LIMITED | Private company limited by shares | Live |
| Union Credit Limited | Private company limited by shares | Live |
| Women Sewing Union Limited | Company limited by guarantee | Live |
| PRO UNION ASIA LIMITED | Private company limited by shares | Live |
| UNION (HK) TRADING DEVELOPMENT LIMITED | Private company limited by shares | Live |
| UNION WIN LIMITED | Private company limited by shares | Live |
| UNION LUCKY INDUSTRIAL PTE. LIMITED | Private company limited by shares | Live |
| UNION BILLION TRADING DEVELOP LIMITED | Private company limited by shares | Live |
| East Union Decoration (Waterproof) Engineering Company Limited | Private company limited by shares | Live |
| Starry Union Limited | Private company limited by shares | Live |
| HK Union Mall Co., Limited | Private company limited by shares | Live |
| TRUE UNION LIMITED | Private company limited by shares | Live |
| Union Engineering & Trading Co., Limited | Private company limited by shares | Live |
| WEITING UNION LIMITED | Private company limited by shares | Live |
| Union Patron Limited | Private company limited by shares | Live |
| Global Wise Union Technology Co., Limited | Private company limited by shares | Live |
| Royalty Union Int’l Limited | Private company limited by shares | Live |
| STAR UNION GROUP LIMITED | Private company limited by shares | Live |
| UNION TECH CONSULTING LIMITED | Private company limited by shares | Live |
| ORIENTAL UNION INTERNATIONAL HOLDINGS GROUP LIMITED | Private company limited by shares | Live |
| MORAL UNION LIMITED | Private company limited by shares | Live |
| UNION LUCK LIMITED | Private company limited by shares | Live |
| Max Union Engineering Consultant Limited | Private company limited by shares | Live |
| FORTUNE UNION INTERNATIONAL LIMITED | Private company limited by shares | Live |
| CHINA HONG KONG ELITE UNION LIMITED | Company limited by guarantee | Live |
| Union Canteen Limited | Private company limited by shares | Live |
| TAIDA UNION GROUP LIMITED | Private company limited by shares | Live |
| CHAMPION UNION INTERNATIONAL LIMITED | Private company limited by shares | Live |
| BEIKE ENTREPRENEURS UNION LIMITED | Private company limited by shares | Live |
| Union Tech (Asia) Company Limited | Private company limited by shares | Live |
| GREAT UNION GROUP LIMITED | Private company limited by shares | Live |
| International Yoga coach Union Limited | Private company limited by shares | Live |
| UNION (HK) INVESTMENT HOLDINGS LIMITED | Private company limited by shares | Live |
| WELL UNION MULTINATIONAL LIMITED | Private company limited by shares | Live |
| Bright Union Corporate Services Limited | Private company limited by shares | Live |
| KAIDA UNION INVESTMENT CO., LIMITED | Private company limited by shares | Live |
| EXCELLENT UNION LIMITED | Private company limited by shares | Live |
| WISDOM UNION LIMITED | Private company limited by shares | Live |
| UNION TONE ASIA PACIFIC LIMITED | Private company limited by shares | Live |
| GREAT UNION CREATION LIMITED | Private company limited by shares | Live |
| HUGE UNION DEVELOPMENT LIMITED | Private company limited by shares | Live |
| UNION DESIGN HK LIMITED | Private company limited by shares | Live |
| LOYALTY UNION ASIA LIMITED | Private company limited by shares | Live |
| JMK Union Limited | Private company limited by shares | Live |
| China Architecture Sharing Union Limited | Private company limited by shares | Live |
| Expo Union Group Limited | Private company limited by shares | Live |
| GOLDEN UNION GROUP LIMITED | Private company limited by shares | Live |
| UNION AIR SERVICES LIMITED | Private company limited by shares | Live |
| Elite Union Property (Tai Wai) Limited | Private company limited by shares | Live |
| OCEAN UNION SHIPPING LIMITED | Private company limited by shares | Live |
| Cigar Union Limited | Private company limited by shares | Live |
| UNION HONG KONG GROUP LIMITED | Private company limited by shares | Live |
| UNION POLYCLINIC LIMITED | Private company limited by shares | Live |
| UNION SINO TECHNOLOGY LIMITED | Private company limited by shares | Live |
| UNION LIK TRADING DEVELOP LIMITED | Private company limited by shares | Live |
| CITY UNION GROUP CO., LIMITED | Private company limited by shares | Live |
| TOP UNION GROUP LIMITED | Private company limited by shares | Live |
| Prestige Union Care Limited | Private company limited by shares | Live |
| NOBLE UNION LIMITED | Private company limited by shares | Live |
| PROLIFIC UNION LIMITED | Private company limited by shares | Live |