| ULTRAS CHEMICAL LIMITED | Private company limited by shares | Live |
| SHANGHAI UNGJIN CHEMICAL COMPANY LIMITED | Private company limited by shares | Dissolved |
| UNIC CHEMICAL CO., LIMITED | Private company limited by shares | Live |
| UNICO CHEMICAL LIMITED | Private company limited by shares | Live |
| Unifer Chemical Co., Limited | Private company limited by shares | Live |
| HK UNIFIED CHEMICAL FACTORY LIMITED | Private company limited by shares | Live |
| CHEMICAL LABORATORIES UNION HONG KONG LIMITED | Private company limited by shares | Dissolved |
| UNIPOWER CHEMICAL COMPANY LIMITED | Private company limited by shares | Dissolved |
| Uniproma Chemical Co., Limited | Private company limited by shares | Live |
| UNIQUE CHEMICAL LIMITED | Private company limited by shares | Live |
| Unique Chemical (S.E.A) Limited | Private company limited by shares | Dissolved |
| UNITEC CHEMICAL COMPANY LIMITED | Private company limited by shares | Dissolved |
| UNI-TECH OIL & CHEMICAL LIMITED | Private company limited by shares | Live |
| UNITED OIL AND CHEMICAL COMPANY LIMITED | Private company limited by shares | Live |
| United Chemical Limited | | Live |
| UNITED MURPLY CHEMICAL CO., LIMITED | Private company limited by shares | Dissolved |
| UNITED PHARMA AND CHEMICAL CO., LIMITED | Private company limited by shares | Live |
| United States Top-union Petrol Chemical Industry Group (H K) Co., Limited | Private company limited by shares | Live |
| UNITED HI-TECH CHEMICAL LIMITED | Private company limited by shares | Dissolved |
| HUIHUANG UNITED CHEMICAL COMPANY LIMITED | Private company limited by shares | Dissolved |
| UNITED PACIFIC CHEMICAL LIMITED | Private company limited by shares | Dissolved |
| United Specialty Chemical Limited | Private company limited by shares | Dissolved |
| UNITED TECH INK AND CHEMICAL LIMITED | Private company limited by shares | Live |
| UNITED CHEMICAL TRADING LIMITED | Private company limited by shares | Live |
| UNITEN CHEMICAL INDUSTRIES COMPANY, LIMITED | Private company limited by shares | Dissolved |
| UNITY CHEMICAL COMPANY LIMITED | Private company limited by shares | Dissolved |
| UNIVERSAL PLATING CHEMICAL CO. LIMITED | Private company limited by shares | Live |
| LIANYUNGANG UNIVERSE CHEMICAL CO., LIMITED | Private company limited by shares | Dissolved |
| UNIVERSE CHEMICAL PRODUCTS COMPANY LIMITED | Private company limited by shares | Dissolved |
| UNIVIEW CHEMICAL ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| RUSSIA URALSIKE CHEMICAL ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| USUN FINE CHEMICAL PRODUCTS LIMITED | Private company limited by shares | Live |
| VALENCE CHEMICAL TECHNOLOGY LIMITED | Private company limited by shares | Live |
| GREEN VALLEY CHEMICAL LIMITED | Private company limited by shares | Dissolved |
| VALSPAR (ASIA) CHEMICAL INDUSTRIAL LIMITED | Private company limited by shares | Live |
| VANDONSUN CHEMICAL INTERNATIONAL LIMITED | Private company limited by shares | Live |
| VANGLUE CHEMICAL CO., LIMITED | Private company limited by shares | Live |
| VANTAGE ERA CHEMICAL LIMITED | Private company limited by shares | Live |
| VARNOR CHEMICAL CO., LIMITED | Private company limited by shares | Live |
| VASTECH CHEMICAL GROUP LIMITED | Private company limited by shares | Dissolved |
| HOLLAND VEDAR OIL CHEMICAL INDUSTRY GROUP LIMITED | Private company limited by shares | Live |
| VEEKO CHEMICAL LIMITED | Private company limited by shares | Dissolved |
| VELLOC CHEMICAL PRODUCTS LIMITED | Private company limited by shares | Live |
| Velocity Chemical Co. Limited | Private company limited by shares | Live |
| SEA VENUS METICULOUS CHEMICAL CO., LIMITED | Private company limited by shares | Live |
| VICSTAR CHEMICAL LIMITED | Private company limited by shares | Live |
| VICTORY CHEMICAL COMPANY LIMITED | Private company limited by shares | Live |
| NORWAY GUSTAV VIGE-LAND CHEMICAL GROUP LIMITED | Private company limited by shares | Dissolved |
| Germany Demu Ville Chemical Co., Limited | Private company limited by shares | Live |
| VINCENT CHEMICAL COMPANY LIMITED | Private company limited by shares | Live |
| Vintage China Chemical Limited | Private company limited by shares | Live |
| ITALY VISCOEL CHEMICAL CO., LIMITED | Private company limited by shares | Live |
| Grant Vision Chemical Limited | Private company limited by shares | Live |
| VISTA CHEMICAL CO., LIMITED | Private company limited by shares | Live |
| VITAL FINE CHEMICAL COMPANY LIMITED | Private company limited by shares | Dissolved |
| VITAS M CHEMICAL LIMITED | Private company limited by shares | Live |
| GERMANY VOCCA CHEMICAL INDUSTRY LIMITED | | Live |
| HK Vonluxe Chemical Limited | | Live |
| V-Star Chemical Limited | Private company limited by shares | Live |
| WACHS CHEMICAL GROUP LIMITED | Private company limited by shares | Live |
| JINAN WACKER CHEMICAL CO., LIMITED | Private company limited by shares | Dissolved |
| WAISDA CHEMICAL LIMITED | Private company limited by shares | Dissolved |
| GERMANY WAKE CHEMICAL GROUP LIMITED | Private company limited by shares | Dissolved |
| Wanda Chemical Co., Limited | Private company limited by shares | Live |
| WANG CHEMICAL COMPANY LIMITED | Private company limited by shares | Live |
| WANG'S CHEMICAL COMPANY, LIMITED | Private company limited by shares | Dissolved |
| WUXI WANLI CHEMICAL CO., LIMITED | Private company limited by shares | Live |
| Rugao Wanli Chemical Industry Co., Limited | Private company limited by shares | Live |
| WAPPER CHEMICAL LIMITED | Private company limited by shares | Live |
| Warner Chemical Limited | Private company limited by shares | Live |
| WASS CHEMICAL (CHINA) LIMITED | Private company limited by shares | Dissolved |
| WAWASAN CHINA CHEMICAL TRANSPORTATION CO. LIMITED | Private company limited by shares | Dissolved |
| WEABLE CHEMICAL LIMITED | Private company limited by shares | Live |
| WEAL CHEMICAL COMPANY LIMITED | Private company limited by shares | Dissolved |
| CHANGZHOU WEIJIA CHEMICAL LIMITED | Private company limited by shares | Live |
| HK WEIMEI DAILY CHEMICAL CO., LIMITED | Private company limited by shares | Live Commenced dormancy on 10-Dec-2015 |
| HK WEIRUN PLASTIC CHEMICAL CO., LIMITED | Private company limited by shares | Live |
| HK WEIYI CHEMICAL COMPANY LIMITED | Private company limited by shares | Dissolved |
| WEIYUAN PLASTIC CHEMICAL INDUSTRY LIMITED | Private company limited by shares | Live |
| WELL CHEMICAL LIMITED | Private company limited by shares | Live |
| FIRST WELL CHEMICAL LIMITED | Private company limited by shares | Live |
| Fortune Well Chemical Company Limited | Private company limited by shares | Dissolved |
| HONG KONG WELL-BEFIT CHEMICAL INDUSTRIAL LIMITED | Private company limited by shares | Dissolved |
| WELLBLETON CHEMICAL LIMITED | Private company limited by shares | Dissolved |
| FINLAND WELLCAN INTERNATIONAL CHEMICAL GROUP LIMITED | Private company limited by shares | Dissolved |
| WELLDAY CHEMICAL AND TRADING LIMITED | Private company limited by shares | Dissolved |
| WELLKING CHEMICAL LIMITED | Private company limited by shares | Dissolved |
| WELLY CHEMICAL COMPANY LIMITED | Private company limited by shares | Dissolved |
| Weltin Chemical HK Limited | Private company limited by shares | Live |
| WELTRO CHEMICAL LIMITED | Private company limited by shares | Live |
| WESCCO CHEMICAL LIMITED | Private company limited by shares | Dissolved |
| Wezeal Chemical Company Limited | Private company limited by shares | Live |
| WHIZ CHEMICAL LIMITED | Private company limited by shares | Live |
| WICO CHEMICAL COMPANY LIMITED | Private company limited by shares | Dissolved |
| CHEMICAL WIDE LIMITED | Private company limited by shares | Dissolved |
| Hebei Wide Chemical Group Limited | Private company limited by shares | Dissolved |
| NORWAY WILLED CHEMICAL INDUSTRY GROUP LIMITED | Private company limited by shares | Dissolved |
| WILSUN (CHEMICAL) CO. LIMITED | Private company limited by shares | Live |
| WINBOON CHEMICAL LIMITED | Private company limited by shares | Dissolved |
| PEACEFUL WIND CHEMICAL COMPANY LIMITED | Private company limited by shares | Dissolved |