| UNION FUND INVESTMENT LIMITED | Private company limited by shares | Live |
| UNION FAITH INSURANCE SERVICES LIMITED | Private company limited by shares | Live |
| HONEST UNION LIMITED | Private company limited by shares | Dissolved |
| KING UNION INDUSTRIES LIMITED | Private company limited by shares | Live |
| UNIONFIELD INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| CONTROLLING-TESTING UNION HONG KONG LIMITED | Private company limited by shares | Dissolved |
| PLENTY UNION LIMITED | Private company limited by shares | Dissolved |
| UNION D.D.C.(CHINA) LIMITED | Private company limited by shares | Dissolved |
| MAIN UNION LIMITED | Private company limited by shares | Dissolved |
| UNION VICTORY TRADING LIMITED | Private company limited by shares | Live |
| UNION-TOP COMPANY LIMITED | Private company limited by shares | Dissolved |
| RICH UNION DEVELOPMENT LIMITED | Private company limited by shares | Dissolved |
| UNION ICE MANUFACTURING COMPANY LIMITED | Private company limited by shares | Dissolved |
| HOPE UNION INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| FULL UNION DEVELOPMENT LIMITED | Private company limited by shares | Dissolved |
| STAR UNION INDUSTRIES LIMITED | Private company limited by shares | Dissolved |
| UNION FAME DEVELOPMENT LIMITED | Private company limited by shares | Dissolved |
| UNION GLORY INDUSTRIAL LIMITED | Private company limited by shares | Dissolved |
| RISING UNION COMPANY LIMITED | Private company limited by shares | Live |
| TRAIN UNION DEVELOPMENT LIMITED | Private company limited by shares | Dissolved |
| UNION STAR WORKS COMPANY LIMITED | Private company limited by shares | Dissolved |
| BEA Union Investment Management Limited | Private company limited by shares | Live |
| CHEER UNION HI-TECH LIMITED | Private company limited by shares | Dissolved |
| CHINA UNION SERVICES LIMITED | Private company limited by shares | Dissolved |
| UNION RICH INDUSTRIAL LIMITED | Private company limited by shares | Dissolved |
| POP UNION LIMITED | Private company limited by shares | Dissolved |
| MAY UNION PRINTING PRODUCT COMPANY LIMITED | Private company limited by shares | Live |
| UNION PAPER BOX PRODUCTS (HOLDINGS) LIMITED | Private company limited by shares | Dissolved |
| UNION SHINE INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| UNION CHOICE LIMITED | Private company limited by shares | Dissolved |
| UNION WEALTHY INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| CENTRAL UNION INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| RIGHT UNION INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| UNION BRILLIANT LIMITED | Private company limited by shares | Dissolved |
| ASIA UNION MARBLE LIMITED | Private company limited by shares | Dissolved |
| WYPEX UNION INSURANCE CONSULTANTS LIMITED | Private company limited by shares | Dissolved |
| UNION CASE LIMITED | Private company limited by shares | Live |
| UNION FAME INDUSTRIAL LIMITED | Private company limited by shares | Live |
| UNION BOND LIMITED | Private company limited by shares | Dissolved |
| SENIOR UNION LIMITED | Private company limited by shares | Dissolved |
| KANGZHOU UNION DEVELOPMENT COMPANY LIMITED | Private company limited by shares | Dissolved |
| COSMOS UNION INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| CHINA-JAPAN FEIDA UNION COMPANY LIMITED | Private company limited by shares | Live |
| UNION EYEWEAR LIMITED | Private company limited by shares | Dissolved |
| UNION LEAD INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| UNION BRIGHT INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| UNION FIELD INDUSTRIES LIMITED | Private company limited by shares | Dissolved |
| UNION WEALTH INDUSTRIES LIMITED | Private company limited by shares | Dissolved |
| UNION WAY INDUSTRIES LIMITED | Private company limited by shares | Dissolved |
| UNION BASE INDUSTRIES LIMITED | Private company limited by shares | Dissolved |
| UNION KIN WAH ENGINEERING COMPANY LIMITED | Private company limited by shares | Dissolved |
| UNION TREASURE LIMITED | Private company limited by shares | Dissolved |
| UNION KIND LIMITED | Private company limited by shares | Live |
| UNION ACE INDUSTRIAL LIMITED | Private company limited by shares | Dissolved |
| UNION SPARK INVESTMENT LIMITED | Private company limited by shares | Live |
| UNION TOP INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| SHANGHAI PUDAW ECONOMIC UNION LIMITED | Private company limited by shares | Dissolved |
| CHINA SHANGHAI INDUSTRY UNION LIMITED | Private company limited by shares | Dissolved |
| HEAD UNION DEVELOPMENT LIMITED | Private company limited by shares | Dissolved |
| UNION LANE INTERNATIONAL EXCHANGE (HOLDINGS) LIMITED | Private company limited by shares | Dissolved |
| HONEST UNION INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| UNION STRONG DEVELOPMENT LIMITED | Private company limited by shares | Dissolved |
| UNION PEACE TRADING LIMITED | Private company limited by shares | Dissolved |
| EVER UNION SERVICES LIMITED | Private company limited by shares | Dissolved |
| UNION STAR POLYMER COMPANY LIMITED | Private company limited by shares | Dissolved |
| CHEER UNION INVESTMENT LIMITED | Private company limited by shares | Live |
| SILVER UNION (CHINA) LIMITED | Private company limited by shares | Dissolved |
| UNION STEP LIMITED | Private company limited by shares | Dissolved |
| UNIONTEX COMPANY LIMITED | Private company limited by shares | Dissolved |
| CENTURY UNION LIMITED | Private company limited by shares | Dissolved |
| UNIONUP INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| PROUD UNION LIMITED | Private company limited by shares | Dissolved |
| HEALTH UNION LIMITED | Private company limited by shares | Dissolved |
| UNION WIDE INDUSTRIAL LIMITED | Private company limited by shares | Dissolved |
| MASS UNION INDUSTRIES LIMITED | Private company limited by shares | Dissolved |
| UNION MATE INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| UNION INTERIOR DESIGN & DECORATION COMPANY LIMITED | Private company limited by shares | Live |
| ELECT UNION LIMITED | Private company limited by shares | Dissolved |
| UNION HARVEST DEVELOPMENT LIMITED | Private company limited by shares | Dissolved |
| UNION FOREST LIMITED | Private company limited by shares | Dissolved |
| UNION (INTERNATIONAL) KNITTING FACTORY LIMITED | Private company limited by shares | Live |
| ASIATIC UNION DEVELOPMENT LIMITED | Private company limited by shares | Dissolved |
| MASS UNION DEVELOPMENT LIMITED | Private company limited by shares | Dissolved |
| UNION PROFIT INVESTMENTS LIMITED | Private company limited by shares | Live |
| MAIN UNION INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| UNION RISING DEVELOPMENT LIMITED | Private company limited by shares | Live |
| UNION HOME DEVELOPMENT LIMITED | Private company limited by shares | Live |
| TSUEN WAN WAI CHOW MAIN UNION (SCHOOL) LIMITED | Company limited by guarantee | Dissolved |
| STRONG UNION INDUSTRIAL LIMITED | Private company limited by shares | Dissolved |
| UNION COSMOS (H.K.) LIMITED | Private company limited by shares | Dissolved |
| LUCKY UNION DEVELOPMENT LIMITED | Private company limited by shares | Dissolved |
| LUCKY UNION INVESTMENT LIMITED | Private company limited by shares | Live |
| UNION GATE DEVELOPMENT LIMITED | Private company limited by shares | Dissolved |
| UNION GATE KNITTING FACTORY LIMITED | Private company limited by shares | Live |
| UNION SCHEME INDUSTRIES LIMITED | Private company limited by shares | Dissolved |
| UNION LINK INVESTMENT LIMITED | Private company limited by shares | Live |
| UNION FORD INDUSTRIAL LIMITED | Private company limited by shares | Dissolved |
| UNIONCHARM INDUSTRIES LIMITED | Private company limited by shares | Live |
| JUST UNION LIMITED | Private company limited by shares | Live |
| CHARMING UNION INVESTMENTS LIMITED | Private company limited by shares | Dissolved |