| Winter and Gold Water Limited | Private company limited by shares | Live |
| WATER WIZARDS COMPANY LIMITED | Private company limited by shares | Dissolved |
| Water Wood He Dao Limited | Private company limited by shares | Live |
| China Water Wood Limited | Private company limited by shares | Live |
| WATER WOOD EXPLORER ONE LIMITED | Private company limited by shares | Live |
| GOLD WATER WOOD COMPANY LIMITED | Private company limited by shares | Dissolved |
| Water Wood Investment Holding Company Limited | Private company limited by shares | Live |
| Water Wood Rong Dao Limited | Private company limited by shares | Live |
| BIS WATER WORKS COMPANY LIMITED | Private company limited by shares | Live |
| WATER WORKS LIMITED | Private company limited by shares | Live |
| KAI FAI ELECT & WATER WORKS CO LIMITED | Private company limited by shares | Dissolved |
| TAK WAH ELECTRIC & WATER WORKS LIMITED | Private company limited by shares | Dissolved |
| KAM FU AIR CONDITION WATER ELECTRIC WORKS LIMITED | Private company limited by shares | Dissolved |
| WAH WAI ELECTRICAL & WATER WORKS LIMITED | Private company limited by shares | Dissolved |
| SUN MAY ELECTRICAL AND WATER WORKS COMPANY LIMITED | Private company limited by shares | Dissolved |
| WAI TAT WATER & ELECTRICAL WORKS COMPANY LIMITED | Private company limited by shares | Dissolved |
| HOP LEE WATER ELECTRICAL WORKS CO. LIMITED | Private company limited by shares | Dissolved |
| WAN YIP WATER & ELECTRICAL WORKS CO. LIMITED | Private company limited by shares | Live |
| FAT KEE ELECTRICAL & WATER WORKS LIMITED | Private company limited by shares | Live |
| POWER WATER ELECTRICAL & IRON WORKS LIMITED | Private company limited by shares | Dissolved |
| HING YIP WATER WORKS LIMITED | Private company limited by shares | Live |
| PO HING ELECTRIC & WATER WORKS LIMITED | Private company limited by shares | Live |
| Kam Ming Water Works Company Limited | | Live |
| ONKYO WATER WORKS LIMITED | Private company limited by shares | Dissolved |
| ONKYO WATER WORKS LIMITED | Private company limited by shares | Live |
| JABEZ AIR CONDITION WORKS, WATER POWER CO. LIMITED | Private company limited by shares | Live |
| SHUEN WAI WATER WORKS CO. LIMITED | Private company limited by shares | Live |
| WAN TUNG WATER WORKS LIMITED | Private company limited by shares | Dissolved |
| Water Workz Limited | | Live |
| WATER WORLD LIMITED | Private company limited by shares | Dissolved |
| WORLD WIND WATER ASSOCIATION LIMITED | Private company limited by shares | Dissolved |
| WORLD OF WATER CHINA CO., LIMITED | Private company limited by shares | Live |
| WATER WORLD INTERNATIONAL CO., LIMITED | Private company limited by shares | Live |
| WATER WORLD DEVELOPMENT LIMITED | Private company limited by shares | Live |
| WORLD DRINKING WATER INDUSTRY GROUP LIMITED | | Live |
| WORLD WATER ECOLOGY RESEARCH LIMITED | Private company limited by shares | Live |
| WATER WORLD GROUP LIMITED | Private company limited by shares | Dissolved |
| Water World Group HK Limited | Private company limited by shares | Live |
| NEW WORLD WATER INDUSTRIAL CO., LIMITED | Private company limited by shares | Dissolved |
| World Infant Water Group Limited | Private company limited by shares | Live |
| WORLD WATER INTERNATIONAL LIMITED | Private company limited by shares | Live |
| World Water Solutions Limited | Private company limited by shares | Live |
| WATER WORLD & FUN SPECIALIST LIMITED | Private company limited by shares | Live |
| Water Sports World Limited | Private company limited by shares | Live |
| WATER WORLD TELECOM CO LIMITED | Private company limited by shares | Dissolved |
| TRANS STRAIT WATER WORLD LIMITED | Private company limited by shares | Live |
| Water World Window Limited | Private company limited by shares | Dissolved |
| WORLD OF WATER (WOW) COMPANY LIMITED | Private company limited by shares | Dissolved |
| Water F (Worldwide Hong Kong) Company Limited | Private company limited by shares | Live |
| MEGA WATER WORLDWIDE LIMITED | Private company limited by shares | Dissolved |
| WATER POWER WORLDWIDE LIMITED | Private company limited by shares | Live |
| Wuhu Water Heating Systems Company Limited | Private company limited by shares | Live |
| Hong Kong and China Water (Wuhu) Limited | Private company limited by shares | Live |
| WUMING WATER LIMITED | Private company limited by shares | Live |
| XINING WATER INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| Xiuning Water Investment Limited | Private company limited by shares | Dissolved |
| HANGZHOU XIZIHU WATER PUMP FACTORY LIMITED | Private company limited by shares | Live |
| China Water Company (Yancheng) Limited | Private company limited by shares | Live |
| RED TAI YANG WATER SHIPPING COMPANY LIMITED | Private company limited by shares | Live |
| HKC (YANGPU) WATER SUPPLY LIMITED | Private company limited by shares | Live |
| China Water Company (Yanjiao) Limited | Private company limited by shares | Dissolved |
| HK QIN YUAN WATER GROUP LIMITED | Private company limited by shares | Dissolved |
| YUEN FAT WATER COMPANY LIMITED | Private company limited by shares | Live |
| Yueyang Water Investment Limited | Private company limited by shares | Dissolved |
| YunTung Water Technology Company Limited | | Live |
| ZDr.100 WATER PRO LIMITED | Private company limited by shares | Dissolved |
| ZHENGZHOU VIDAR WATER INDUSTRIAL CO., LIMITED | Private company limited by shares | Live |
| Zhong Tou Water (Hong Kong) Holding Limited | Private company limited by shares | Live |
| YIBAO BOTTLED WATER ZHONGYI (HK) LIMITED | | Live |
| Zhoukou Water Investment Limited | Private company limited by shares | Dissolved |
| China Water Company (Zhumadian) Limited | Private company limited by shares | Live |
| WATERACE COMPANY LIMITED | Private company limited by shares | Dissolved |
| WATERBANK LIMITED | Private company limited by shares | Live |
| WATERBEAN LIMITED | Private company limited by shares | Live |
| DELUXE WATERBED ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| WATERBERRY INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| Waterbloom Tech Limited | | Live |
| WATERBORNE COMPANY LIMITED | Private company limited by shares | Live |
| WATERBOROUGH LIMITED | Private company limited by shares | Dissolved |
| WaterBox HK Limited | Private company limited by shares | Live |
| WATERBRIDGE CAPITAL LIMITED | Private company limited by shares | Live |
| WATERBRIDGE EDUCATION INTERNATIONAL COMPANY LIMITED | Private company limited by shares | Live |
| HONG KONG WATERBRIDGE HEALTH LIMITED | Private company limited by shares | Live |
| WATERBRIDGE (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| WATERBROOK ASIA LIMITED | Private company limited by shares | Live |
| WATERBURY LIMITED | Private company limited by shares | Dissolved |
| SIX FOREST BIOLOGY WATER-CLEANING ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| WATERCLOCK LIMITED | Private company limited by shares | Live |
| Watercolor Research Co., Limited | Private company limited by shares | Live |
| International Watercolor Society Hong Kong Limited | Company limited by guarantee | Live |
| PASS IT ON INTERNATIONAL WATERCOLOR LIMITED | Private company limited by shares | Live |
| WATERCOME (HK) COMPANY LIMITED | Private company limited by shares | Dissolved |
| WATERCOR INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| WATERCORE LIMITED | Private company limited by shares | Dissolved |
| iAQUA WATERCRAFT LIMITED | | Live |
| WATERCRAFT MARINE LIMITED | | Live |
| WAILY WATERCRAFT&OUTBOARD MOTOR CO., LIMITED | Private company limited by shares | Dissolved |
| Watercress51 Limited | | Live |
| Waterdrip Investment Limited | Private company limited by shares | Live |
| Waterdrop Group HK Limited | Private company limited by shares | Live |