| WISE UNION LIMITED | Private company limited by shares | Live |
| UNION SPORTS INTERNATIONAL GIFTS CO., LIMITED | Private company limited by shares | Live |
| UNION CHAMPION INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| UNION MARK ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| CAPITAL UNION DEVELOPMENT LIMITED | Private company limited by shares | Live |
| UNION BRIGHT INTERNATIONAL HOLDINGS LIMITED | Private company limited by shares | Live |
| UNION CROWN LIMITED | Private company limited by shares | Dissolved |
| Union Asia Organic, Limited | Private company limited by shares | Live |
| CAPITAL UNION HOLDINGS LIMITED | Private company limited by shares | Live |
| UNION SUPER INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| UNION TRINITY HOLDINGS LIMITED | Private company limited by shares | Live |
| H&S UNION (HKG) ENTERPRISE CO., LIMITED | Private company limited by shares | Live |
| ASIA UNION TRADING LIMITED | Private company limited by shares | Dissolved |
| UNION GAIN DEVELOPMENT LIMITED | Private company limited by shares | Live |
| EAGLE UNION DEVELOPMENT LIMITED | Private company limited by shares | Dissolved |
| KING UNION INTERNATIONAL INVESTMENTS LIMITED | Private company limited by shares | Live |
| OVERSEAS UNION FOUNDATION CO., LIMITED | Private company limited by shares | Live |
| UNION PROPERTIES LIMITED | Private company limited by shares | Dissolved |
| UNION EXCEL LIMITED | Private company limited by shares | Live |
| SUN UNION LIMITED | Private company limited by shares | Live |
| UNION TIME DEVELOPMENT LIMITED | Private company limited by shares | Dissolved |
| UNION HEALTH INTERNATIONAL LIMITED | Private company limited by shares | Live |
| MANSAN UNION LIMITED | Private company limited by shares | Dissolved |
| GROUP UNION CONSTRUCTION ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| UNION RICHLY LIMITED | Private company limited by shares | Dissolved |
| WAY UNION LIMITED | Private company limited by shares | Dissolved |
| UNION SMART (ASIA) LIMITED | Private company limited by shares | Dissolved |
| CHINA STRAITS TRIPLACE EXPERTS ENTERPRISER UNION LIMITED | Private company limited by shares | Dissolved |
| GRAND UNION HEALTH CARE LIMITED | Private company limited by shares | Live |
| HONG KONG UNION TEXTILE CO LIMITED | Private company limited by shares | Live |
| CHARTER UNION LIMITED | Private company limited by shares | Dissolved |
| UNION SOLAR LIMITED | Private company limited by shares | Dissolved |
| UNION PROPERTIES (HK) LIMITED | Private company limited by shares | Live |
| STAR UNION HOLDINGS LIMITED | Private company limited by shares | Dissolved |
| UNION CHAMPION DEVELOPMENT LIMITED | Private company limited by shares | Dissolved |
| GRAND UNION MANAGEMENT LIMITED | Private company limited by shares | Dissolved |
| ABC UNION, LIMITED | Company limited by guarantee | Dissolved |
| GRAND UNION CORPORATION LIMITED | Private company limited by shares | Dissolved |
| RIGHT UNION DEVELOPMENT (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| ELITE UNION INTERNATIONAL LIMITED | Private company limited by shares | Live |
| TRIUMPH UNION ENTERPRISE LIMITED | Private company limited by shares | Live |
| EVER UNION LIMITED | Private company limited by shares | Dissolved |
| SKY UNION HOLDINGS LIMITED | Private company limited by shares | Live |
| UNION ZONE INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| HANDY UNION ENTERPRISES LIMITED | Private company limited by shares | Live |
| LINK UNION MANAGEMENT LIMITED | Private company limited by shares | Dissolved |
| UNION REGENCY LIMITED | Private company limited by shares | Live |
| H.K. WORLD HEALTH UNION INT'L HEALTH CONSULTANT LIMITED | Private company limited by shares | Dissolved |
| GOOD UNION DEVELOPMENT LIMITED | Private company limited by shares | Dissolved |
| CENTURY UNION DEVELOPMENT LIMITED | Private company limited by shares | Dissolved |
| NEW WIN UNION ENGINEERING COMPANY LIMITED | Private company limited by shares | Dissolved |
| FRANCE UNION ST. LUOLAN INTERNATIONAL GROUP LIMITED | Private company limited by shares | Live |
| TC SUCCESS UNION EXPRESS LIMITED | Private company limited by shares | Live |
| WIN UNION INDUSTRIES LIMITED | Private company limited by shares | Dissolved |
| WORLD UNION ENTERPRISES LIMITED | Private company limited by shares | Live |
| UNION STAR DEVELOPMENT LIMITED | Private company limited by shares | Dissolved |
| GOLD UNION INVESTMENTS LIMITED | Private company limited by shares | Live |
| UNION TOP ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| UNION PRODUCTS GROUP LIMITED | Private company limited by shares | Live |
| CHINA UNION ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| TECH UNION TRADING LIMITED | Private company limited by shares | Dissolved |
| UNION SUCCESS INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| UNION CROWN HOLDINGS LIMITED | Private company limited by shares | Dissolved |
| MARVEL UNION LIMITED | Private company limited by shares | Live |
| SKY UNION (H.K.) LIMITED | Private company limited by shares | Dissolved |
| HONG KONG TELECOMMUNICATION UNION LIMITED | Private company limited by shares | Dissolved |
| ZHONG DA UNION INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| ASIA UNION ENTERPRISES (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| UNION CHANNEL (H.K.) INT'L CORP. LIMITED | Private company limited by shares | Dissolved |
| UNION STAR INTERNATIONAL HOLDINGS LIMITED | Private company limited by shares | Dissolved |
| WEALTHY UNION INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| UNION TARGET LIMITED | Private company limited by shares | Dissolved |
| UNION SHINE LIMITED | Private company limited by shares | Dissolved |
| UNION CONCORDIA DEVELOPMENT LIMITED | Private company limited by shares | Live |
| MASS UNION INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| UNION CONSTRUCTION LIMITED | Private company limited by shares | Live |
| WORLD UNION ASIA LIMITED | Private company limited by shares | Dissolved |
| ART UNION LIMITED | Private company limited by shares | Live |
| UNION ICE COMPANY LIMITED | Private company limited by shares | Live |
| UNION LEADER DEVELOPMENT LIMITED | Private company limited by shares | Dissolved |
| UNION CHARTER INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| UNION CHINA (H.K.) LIMITED | Private company limited by shares | Live |
| ORIENT UNION LIMITED | Private company limited by shares | Dissolved |
| EAST UNION LIMITED | Private company limited by shares | Live |
| CAPITAL UNION LIMITED | Private company limited by shares | Dissolved |
| UNION GRAND INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| FAST EXPRESS UNION COMPANY LIMITED | Private company limited by shares | Live |
| TOP UNION CONSULTANTS LIMITED | Private company limited by shares | Dissolved |
| POWER UNION CORPORATION LIMITED | Private company limited by shares | Dissolved |
| UNION BRIDGE CORPORATION LIMITED | Private company limited by shares | Dissolved |
| UNION TIME CONSULTANTS LIMITED | Private company limited by shares | Dissolved |
| STAR UNION ENGINEERING LIMITED | Private company limited by shares | Live |
| HONGKONG UNION (ASIA) LIMITED | Private company limited by shares | Live |
| UNION BUSY LIMITED | Private company limited by shares | Live |
| CHARTER UNION CONSULTANTS LIMITED | Private company limited by shares | Live |
| UNION FORTUNE INTERNATIONAL LIMITED | Private company limited by shares | Live |
| UNION MEDICA LIMITED | Private company limited by shares | Dissolved |
| UNION TRADING TRANSPORT LIMITED | Private company limited by shares | Dissolved |
| STAND UNION LIMITED | Private company limited by shares | Dissolved |
| SMART UNION PROPERTIES LIMITED | Private company limited by shares | Dissolved |