| UNION BEST INDUSTRIAL (HK) COMPANY LIMITED | Private company limited by shares | Dissolved |
| YIDE (UNION) INDUSTRIAL COMPANY LIMITED | Private company limited by shares | Live |
| UNION RISE HK CORPORATE LIMITED | Private company limited by shares | Live |
| AP's UNION LIMITED | Private company limited by shares | Dissolved |
| UNION BRIGHT INTERNATIONAL INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| OCEAN UNION (ASIA) LIMITED | Private company limited by shares | Live |
| UNION TREND LIMITED | Private company limited by shares | Live |
| WISE UNION ENTERPRISES LIMITED | Private company limited by shares | Live |
| YOGA UNION ASIA-PACIFIC CO., LIMITED | Private company limited by shares | Dissolved |
| USA UNION INTERNATIONAL BIOFERTILIZER LIMITED | Private company limited by shares | Live |
| RICH UNION (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| NEW UNION INC. LIMITED | Private company limited by shares | Dissolved |
| FIRST UNION INTERNATIONAL INDUSTRIAL LIMITED | Private company limited by shares | Live |
| Noble Union Investment Holdings Limited | Private company limited by shares | Dissolved |
| UNION PEAK (HONG KONG) LIMITED | Private company limited by shares | Live |
| LIBRA UNION (HK) INVESTMENT LIMITED | Private company limited by shares | Live |
| VICTORY UNION GROUP INDUSTRIAL CO., LIMITED | Private company limited by shares | Live |
| UNION HI-TECH LIMITED | Private company limited by shares | Live |
| GLORY UNION HOLDINGS LIMITED | Private company limited by shares | Dissolved |
| CHINA UNION DEVELOPMENT GROUP HOLDINGS LIMITED | Private company limited by shares | Live |
| UNION SKY ASIA INVESTMENT LIMITED | Private company limited by shares | Live |
| CHINA UNION HOLDINGS LIMITED | Private company limited by shares | Live |
| HONG KONG UNION SERVICES DEVELOPMENT LIMITED | Private company limited by shares | Dissolved |
| UNION BASE FAR EAST LIMITED | Private company limited by shares | Live |
| JOIN UNION INVESTMENT LIMITED | Private company limited by shares | Live |
| UNION TOP MANAGEMENT LIMITED | Private company limited by shares | Dissolved |
| CHINA VETERANS UNION VENTURE GROUP LIMITED | Private company limited by shares | Dissolved |
| UNION NUTRITION LIMITED | Private company limited by shares | Live |
| UNION MASTER TRADING LIMITED | Private company limited by shares | Live |
| WISDOM CREATIVITY UNION GROUP CO., LIMITED | Private company limited by shares | Live |
| UNION MATERIAL CO., LIMITED | Private company limited by shares | Live |
| UNION PERFECT INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| Ivy Union Limited | Private company limited by shares | Dissolved |
| R2 Union Financial Holdings Limited | Private company limited by shares | Live |
| UNION GAIN TECHNOLOGY DEVELOPMENT LIMITED | Private company limited by shares | Live |
| ETERNAL UNION (HK) LIMITED | Private company limited by shares | Live |
| UNION SOURCES INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| BEAUTY UNION INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| HK GL UNION LIMITED | Private company limited by shares | Dissolved |
| TALENT UNION TRADING LIMITED | Private company limited by shares | Live |
| UNION SUCCESS HONG KONG INVESTMENT LIMITED | Private company limited by shares | Live |
| FULL BASE UNION ENTERPRISE CO. LIMITED | Private company limited by shares | Dissolved |
| CHENG HAI TOYS ENTERPRISE UNION LIMITED | Private company limited by shares | Dissolved |
| NUAGE UNION LIMITED | Private company limited by shares | Live |
| UNION CHINA HOLDINGS LIMITED | Private company limited by shares | Live |
| UNION STAR TEXTILE LIMITED | Private company limited by shares | Live |
| UNION TECHNOLOGY GROUP LIMITED | Private company limited by shares | Live |
| UNION SPORTS WEAR (INT'L) LIMITED | Private company limited by shares | Dissolved |
| UNION MADE GLOBAL LIMITED | Private company limited by shares | Live |
| MEGA UNION WORLDWIDE LIMITED | Private company limited by shares | Dissolved |
| SOLAR UNION HOLDING LIMITED | Private company limited by shares | Live |
| UNION CENTURY (HONG KONG) TRADING LIMITED | Private company limited by shares | Live |
| DRAGON UNION LIMITED | Private company limited by shares | Live |
| GREAT UNION INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| NEW UNION (HK) ENTERPRISE LIMITED | Private company limited by shares | Dissolved |
| TANK UNION LIMITED | Private company limited by shares | Live |
| UNION ROADWAY LIMITED | Private company limited by shares | Live |
| WELL UNION GLOBAL LIMITED | Private company limited by shares | Dissolved |
| UNION MIND (HOLDING) LIMITED | Private company limited by shares | Live |
| EAST SUNRISE UNION SHIPPING CO., LIMITED | Private company limited by shares | Dissolved |
| SILVER UNION GRAINS LIMITED | Private company limited by shares | Dissolved |
| FORTUNE UNION HOLDINGS LIMITED | Private company limited by shares | Dissolved |
| RICH UNION MANAGEMENT ASIA LIMITED | Private company limited by shares | Dissolved |
| Union Apex Mega Shipping Limited | Private company limited by shares | Live |
| UNION ARTS INVESTMENT MANAGEMENT CO., LIMITED | Private company limited by shares | Dissolved |
| ELEGANT UNION LIMITED | Private company limited by shares | Live |
| STAR UNION INDUSTRIES LIMITED | Private company limited by shares | Dissolved |
| WAND UNION (HK) ANIMATION TECHNOLOGY LIMITED | Private company limited by shares | Live |
| UNION SPRING LIMITED | Private company limited by shares | Live |
| UNION WEALTH ENTERPRISES LIMITED | Private company limited by shares | Live |
| HongKong Union Development Technological Co., Limited | Private company limited by shares | Live |
| GLORY UNION INVESTMENTS LIMITED | Private company limited by shares | Live |
| UNION CONCORD CONSULTANTS LIMITED | Private company limited by shares | Dissolved |
| UNION SEWING MACHINE COMPANY LIMITED | Private company limited by shares | Live |
| BEAUTY UNION GLOBAL LIMITED | Private company limited by shares | Live |
| EAST UNION (GROUP) CO., LIMITED | Private company limited by shares | Live |
| UNION ADVERTISING MEDIA COMPANY LIMITED | Private company limited by shares | Dissolved |
| OCEAN UNION WEALTH CREATION LIMITED | Private company limited by shares | Dissolved |
| CHINA ETAO COMMERCIAL UNION HOLDING LIMITED | Private company limited by shares | Live |
| GOLDEN UNION IMPORT & EXPORT CO., LIMITED | Private company limited by shares | Live |
| CHINA UNION (HK) DEVELOPMENT COMPANY LIMITED | Private company limited by shares | Live |
| CHINA & GERMANY UNION INVESTMENT [GROUP] LIMITED | Private company limited by shares | Live |
| UNION CHEER INDUSTRIAL CO., LIMITED | Private company limited by shares | Live |
| UNION FAIR ENTERPRISES LIMITED | Private company limited by shares | Live |
| HUGE UNION LIMITED | Private company limited by shares | Live |
| SINAFRIKA UNION INTERNATIONAL TRADING LIMITED | Private company limited by shares | Dissolved |
| TOP UNION INTERNATIONAL SERVICES LIMITED | Private company limited by shares | Dissolved |
| Union Sources Logistics Limited | Private company limited by shares | Live |
| UNION KNOPF SPORT ACCESSORIES LIMITED | Private company limited by shares | Live |
| MRDL UNION INT'L CHEMICAL GROUP LIMITED | Private company limited by shares | Live |
| UNION TECHNOLOGY INDUSTRIAL CO., LIMITED | Private company limited by shares | Dissolved |
| BROTHER UNION LIMITED | Private company limited by shares | Live |
| ASOCIACION CLINICA UNION DENTAL EUROPEA LIMITED | Private company limited by shares | Dissolved |
| UNION-BOX TECHINICAL CO., LIMITED | Private company limited by shares | Dissolved |
| UNION SMART SECRETARIES LIMITED | Private company limited by shares | Live |
| STAR UNION GLOBAL LIMITED | Private company limited by shares | Dissolved |
| UNION LEGEND GRAND RICH LIMITED | Private company limited by shares | Dissolved |
| UNION SINO GRAND RICH LIMITED | Private company limited by shares | Live |
| UNION GRAND RICH LIMITED | Private company limited by shares | Dissolved |
| UNION STAR GRAND RICH LIMITED | Private company limited by shares | Dissolved |