| FAR UNION ENTERPRISES LIMITED | Private company limited by shares | Live |
| CROWN UNION HOLDINGS LIMITED | Private company limited by shares | Dissolved |
| KIND UNION (CHINA) DEVELOPMENT LIMITED | Private company limited by shares | Dissolved |
| SOUTH UNION ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| GOLDEN UNION PAPER PRODUCTS MANUFACTURING LIMITED | Private company limited by shares | Dissolved |
| SAFE UNION ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| SAFE UNION CONSULTANTS LIMITED | Private company limited by shares | Dissolved |
| UNION MERRY INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| FRIENDS UNION TRADING COMPANY LIMITED | Private company limited by shares | Dissolved |
| UNIONRAY PACIFIC LIMITED | Private company limited by shares | Dissolved |
| UNION MOTORS LIMITED | Private company limited by shares | Dissolved |
| ELEGANT UNION WATCH & JEWELLERY LIMITED | Private company limited by shares | Dissolved |
| GOLDEN UNION INSURANCE CONSULTANT LIMITED | Private company limited by shares | Live |
| UNION BEST INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| UNION POWER TRADING (H.K.) COMPANY LIMITED | Private company limited by shares | Dissolved |
| UNION CHEER ADVERTISING COMPANY LIMITED | Private company limited by shares | Dissolved |
| UNION EAGLE INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| UNION GRADE INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| UNION GLORY TRADING LIMITED | Private company limited by shares | Dissolved |
| UNION ARROW LIMITED | Private company limited by shares | Dissolved |
| EAGLE UNION DEVELOPMENT LIMITED | Private company limited by shares | Dissolved |
| EAGLE UNION INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| EAGLE UNION INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| CHEER UNION INDUSTRIES LIMITED | Private company limited by shares | Dissolved |
| TOP UNION ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| SUPREME UNION DEVELOPMENT LIMITED | Private company limited by shares | Dissolved |
| SINO UNION (ASIA) LIMITED | Private company limited by shares | Dissolved |
| TIME UNION ENTERPRISE LIMITED | Private company limited by shares | Dissolved |
| CHEER UNION MOTORS LIMITED | Private company limited by shares | Dissolved |
| SCORE UNION LIMITED | Private company limited by shares | Dissolved |
| UNION CHEMICAL IND. COMPANY LIMITED | Private company limited by shares | Live |
| HONG KONG UNION ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| UNION TOP (HK) COMPANY LIMITED | Private company limited by shares | Live |
| UNION PROFIT INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| WIDE UNION INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| UNION GRAND INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| UNION MASS LIMITED | Private company limited by shares | Dissolved |
| UNION SUCCESS INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| UNION WIDE INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| UNION HILL INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| UNION FINE ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| UNION (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| UNION HEATER PRINTING & DYEING (H.K.) CO. LIMITED | Private company limited by shares | Live |
| HK-CHINA (UNION) DEVELOPMENT LIMITED | Private company limited by shares | Dissolved |
| WELL UNION GARMENT LIMITED | Private company limited by shares | Dissolved |
| B.S. UNION ENGINEERING COMPANY LIMITED | Private company limited by shares | Live |
| FORESEEING UNION CORP. LIMITED | Private company limited by shares | Dissolved |
| UNION PRODUCTION LIMITED | Private company limited by shares | Dissolved |
| WEALTH UNION LIMITED | Private company limited by shares | Dissolved |
| WORLD UNION ENGINEERING LIMITED | Private company limited by shares | Live |
| SMARK UNION FAR EAST LIMITED | Private company limited by shares | Dissolved |
| HOME UNION TRADING LIMITED | Private company limited by shares | Dissolved |
| TAIFU UNION INVESTMENT CORPORATION LIMITED | Private company limited by shares | Dissolved |
| UNION TARGET DEVELOPMENT (HK) LIMITED | Private company limited by shares | Dissolved |
| UNION SUCCESS SHIPPING LIMITED | Private company limited by shares | Dissolved |
| UNION POWER DEVELOPMENT LIMITED | Private company limited by shares | Dissolved |
| UNION WICK ENTERPRISES LIMITED | Private company limited by shares | Live |
| WELL UNION GRAND TRADING LIMITED | Private company limited by shares | Live |
| UNION LEAD LIMITED | Private company limited by shares | Dissolved |
| GOOD UNION INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| WISE UNION INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| UNION WELL ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| UNION LEAD INDUSTRIAL LIMITED | Private company limited by shares | Dissolved |
| UNION BUSINESS TRAVEL AND DEVELOPMENT LIMITED | Private company limited by shares | Dissolved |
| NICE UNION INVESTMENTS LIMITED | Private company limited by shares | Live |
| UNION TOYS MANUFACTURING LIMITED | Private company limited by shares | Dissolved |
| NICE UNION DEVELOPMENT LIMITED | Private company limited by shares | Live |
| NICE UNION COMPANY LIMITED | Private company limited by shares | Dissolved |
| UNION EVER LIMITED | Private company limited by shares | Dissolved |
| UNIONRAY SUPPLY LIMITED | Private company limited by shares | Dissolved |
| GOOD UNION CONSTRUCTION COMPANY LIMITED | Private company limited by shares | Live |
| UNION BOND PROPERTIES LIMITED | Private company limited by shares | Dissolved |
| UNION SOURCES ASSETS MANAGEMENT LIMITED | Private company limited by shares | Dissolved |
| UNION LUCK PROPERTIES LIMITED | Private company limited by shares | Dissolved |
| TOP UNION PROPERTIES LIMITED | Private company limited by shares | Dissolved |
| SUPER UNION PROPERTIES LIMITED | Private company limited by shares | Live |
| ORIENTAL UNION DEVELOPMENT LIMITED | Private company limited by shares | Live |
| OVERSEAS UNION DEVELOPMENT LIMITED | Private company limited by shares | Dissolved |
| OVERSEAS UNION INVESTMENTS LIMITED | Private company limited by shares | Live |
| ORIENTAL UNION INVESTMENTS LIMITED | Private company limited by shares | Live |
| UNIONPAC LIMITED | Private company limited by shares | Live |
| UNION VAST INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| TRIUMPH UNION LIMITED | Private company limited by shares | Dissolved |
| BEST UNION INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| OVERSEAS UNION INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| ORIENTAL UNION INDUSTRIAL LIMITED | Private company limited by shares | Dissolved |
| OVERSEAS UNION INDUSTRIAL LIMITED | Private company limited by shares | Dissolved |
| UNION CHAMPION INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| UNION CHAMPION INDUSTRIES LIMITED | Private company limited by shares | Dissolved |
| SHEEN UNION ENTERPRISES LIMITED | Private company limited by shares | Live |
| GOLD UNION MOTOR CAR TRADING LIMITED | Private company limited by shares | Dissolved |
| UNION TALENT ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| UNION TALENT INDUSTRIES LIMITED | Private company limited by shares | Dissolved |
| UNION TECH INTERNATIONAL LIMITED | Private company limited by shares | Live |
| ASIA UNION INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| FAIR UNION ENTERPRISES LIMITED | Private company limited by shares | Live |
| UNION SHIPPING LIMITED | Private company limited by shares | Dissolved |
| EMPIRE UNION LIMITED | Private company limited by shares | Live |
| UNION CHAMPION TRADING LIMITED | Private company limited by shares | Dissolved |
| FAIR UNION TRADING LIMITED | Private company limited by shares | Dissolved |