| HONG KONG MAGNETIZED WATER LIMITED | Private company limited by shares | Dissolved |
| WATER MASTER HONG KONG LIMITED | Private company limited by shares | Dissolved |
| HIN HONG MINERAL WATER COMPANY LIMITED | Private company limited by shares | Dissolved |
| HONG KONG MIRACLE WATER LIMITED | Private company limited by shares | Dissolved |
| Nano Water Hong Kong Limited | Private company limited by shares | Live |
| Natura Water Hong Kong Limited | Private company limited by shares | Live |
| Hong Kong Natural Water Limited | | Live |
| Hong Kong Pure Water Plus Limited | Private company limited by shares | Live |
| HONG KONG WATER POWER LIMITED | Private company limited by shares | Dissolved |
| Hong Kong Water Projects Limited | Private company limited by shares | Live |
| HONG KONG MACAU WATER PROOF COMPANY LIMITED | Private company limited by shares | Live |
| ENV Water (Hong Kong) Pte. Limited | Private company limited by shares | Dissolved |
| HONG KONG WATER QUALITY ASSOCIATION LIMITED | | Live |
| RANHILL WATER (HONG KONG) LIMITED | Private company limited by shares | Live |
| Water Resource Hong Kong Limited | Private company limited by shares | Live |
| HONG KONG WATER RICH RESOURCES LIMITED | Private company limited by shares | Dissolved |
| Hong Kong Water Solution Limited | Private company limited by shares | Live |
| WATER SOLUTIONS (HONG KONG) LIMITED | Private company limited by shares | Live |
| Hong Kong Water Sports Council | Company limited by guarantee | Live |
| SPRINGTAK WATER SOLUTIONS (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| RC WATER SYSTEMS HONG KONG LIMITED | Private company limited by shares | Dissolved |
| Da Yu Clean Water Technology (Hong Kong) Limited | Private company limited by shares | Live |
| WATER TECHNOLOGY (HONG KONG) COMPANY LIMITED | Private company limited by shares | Live |
| THAMES WATER (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| HONG KONG ZOOM WO WATER TREATMENT COMPANY LIMITED | Private company limited by shares | Live |
| Water Wise (Hong Kong) Limited | Private company limited by shares | Live |
| HONG KONG WATER WOOD CO., LIMITED | Private company limited by shares | Live |
| YIU HONG SHING WATER WORKS ENGINEERING LIMITED | Private company limited by shares | Live |
| Yunnan Water (Hong Kong) Company Limited | Private company limited by shares | Live |
| BEAUTY WATER HONGKONG LIMITED | Private company limited by shares | Dissolved |
| OU HP WATER (HONGKONG) CO., LIMITED | Private company limited by shares | Live |
| Hongkong dragon water amusement Co., Limited | Private company limited by shares | Live |
| GOLD WATER (HONGKONG) CO., LIMITED | Private company limited by shares | Dissolved |
| HONGKONG EVIAN MINERAL WATER CO., LIMITED | Private company limited by shares | Live |
| BEST WATER TECHNOLOGY (HONGKONG) CO., LIMITED | Private company limited by shares | Live |
| WATER RICH TRADING (HONGKONG) CO., LIMITED | Private company limited by shares | Live |
| HONGKONG WATER LOTUS COSTUME LIMITED | Private company limited by shares | Live |
| WATER DECORATION&LANDSCAPE DESIGN (HONGKONG) CO., LIMITED | Private company limited by shares | Live |
| HONGKONG DONGHONG WATER TREATMENT LIMITED | Private company limited by shares | Dissolved |
| HONGKONG SUNLONG WATER ENGINEERING CO., LIMITED | Private company limited by shares | Live |
| HONGKONG ACEPURE GLOBAL WATER GROUP LIMITED | Private company limited by shares | Dissolved |
| HONGKONG GOLD WATER HOLDINGS LIMITED | Private company limited by shares | Live |
| HongKong Tibet Water Group Co., Limited | Private company limited by shares | Live |
| HONGKONG SUNSHENG WATER UTILITY GROUP LIMITED | Private company limited by shares | Dissolved |
| HONGKONG GRUNDFOS WATER PUMP LIMITED | Private company limited by shares | Live |
| HONGKONG CWJ WATER RESEARCH HOLDING LIMITED | Private company limited by shares | Live |
| HONGKONG WATER UTILITY HOLDINGS LIMITED | Private company limited by shares | Dissolved |
| WATER (HONGKONG) INDUSTRIAL CO., LIMITED | Private company limited by shares | Dissolved |
| SANQIANCHI WATER INDUSTRY (HONGKONG) GROUP LIMITED | Private company limited by shares | Live |
| HONGKONG GENERAL WATER INTERNATIONAL LIMITED | Private company limited by shares | Live |
| HONGKONG WATER GRAND INTERNATIONAL LIMITED | | Live |
| HONGKONG WATER INVESTMENT LIMITED | Private company limited by shares | Live |
| HONGKONG LIVE WATER BIOTECHNOLOGY LIMITED | Private company limited by shares | Live |
| HONGKONG NORTH WATER XINHAO CO., LIMITED | Private company limited by shares | Live |
| HONGKONG WATER SHELL LIMITED | Private company limited by shares | Live |
| HONGKONG STSJ WATER INTERNATIONAL GROUP LIMITED | Private company limited by shares | Live |
| HONGKONG WATER TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| HONGKONG FENGHE WATER TECHNOLOGY CO., LIMITED | Private company limited by shares | Dissolved |
| Hongkong Water Strider Biological Technology Limited | Private company limited by shares | Live |
| Hongkong West Water Technology Limited | Private company limited by shares | Live |
| Hongkong Tianquan Pure Water Equipment Limited | Private company limited by shares | Live |
| HongKong Long Water International Trade Company Limited | Private company limited by shares | Live |
| HONGKONG WATER DOCTOR TRADING LIMITED | Private company limited by shares | Dissolved |
| HONGKONG FRESH WATER INTERNATIONAL TRADING LIMITED | Private company limited by shares | Live |
| HONGKONG WATER SOURCE INT'L TRADING LIMITED | Private company limited by shares | Dissolved |
| HONGKONG YUEYANG WATER TREATMENT CO., LIMITED | Private company limited by shares | Live |
| HoriSun Water International Company Limited | Private company limited by shares | Dissolved |
| WATER HORSE FAR EAST CO., LIMITED | Private company limited by shares | Live |
| Water House Group Limited | Private company limited by shares | Live |
| WATER HOUSE JAPAN COMPANY LIMITED | Private company limited by shares | Dissolved |
| WATER HOUSE TRADING COMPANY LIMITED | Private company limited by shares | Live |
| AOLING HOUSEHOLD WATER PURIFIERS CO., LIMITED | Private company limited by shares | Dissolved |
| HK HUICHENG (GROUP) WATER HEATING LIMITED | Private company limited by shares | Live |
| HYDROPURE WATER TREATMENT ENGINEERING (HK) LIMITED | Private company limited by shares | Live |
| HYDROPURE WATER TREATMENT LIMITED | Private company limited by shares | Dissolved |
| Hyflux Utility Water Limited | Private company limited by shares | Live |
| Icelandic Water Asia Limited | Private company limited by shares | Live |
| Capital water index markets Limited | Private company limited by shares | Live |
| QINGDAO TOP WATER INDUSTRIAL CO., LIMITED | Private company limited by shares | Live |
| WATER CUBE INDUSTRIAL CO., LIMITED | Private company limited by shares | Dissolved |
| Gold & Water Industrial Limited | Private company limited by shares | Live |
| SHENQIAN NATURAL MINERAL WATER INDUSTRIAL LIMITED | Private company limited by shares | Live |
| WATER AND SUNSHINE INDUSTRIAL LIMITED | Private company limited by shares | Dissolved |
| China Smart Water Industries Group Limited | Private company limited by shares | Live |
| Minder Water Industries (Hong Kong) Limited | Private company limited by shares | Live |
| CHIA TAI WATER INDUSTRY LIMITED | Private company limited by shares | Live |
| CHINA WATER PURIFICATION INDUSTRY ASSOCIATION LIMITED | Private company limited by shares | Live |
| KEPU WATER INDUSTRY CO., LIMITED | Private company limited by shares | Live |
| SLEEK WATER INDUSTRY CO., LIMITED | Private company limited by shares | Live |
| Zhide Water Industry Co., Limited | | Live |
| TUCK EVERLASTING WATER INDUSTRY CO., LIMITED | Private company limited by shares | Dissolved |
| CHINESE WATER INDUSTRY GROUP LIMITED | Private company limited by shares | Dissolved |
| CHINESE WATER INDUSTRY GROUP LIMITED | Private company limited by shares | Live |
| ONWARD WATER INDUSTRY HOLDING LIMITED | Private company limited by shares | Dissolved |
| SHANGHAI PEOPLE INDUSTRY WATER PUMP LIMITED | Private company limited by shares | Live |
| ZHONGRUN WATER INDUSTRY LIMITED | Private company limited by shares | Live |
| SHANGHAI PEOPLE WATER PUMP INDUSTRY&TRADE LIMITED | Private company limited by shares | Live |
| Gold Water Information Technology Limited | | Live |
| CHINA WATER RESOURCES CONSERVANCY INSTITUTE LIMITED | Private company limited by shares | Live |
| WATER INTELLIGENT TREATMENT SYSTEM COMPANY LIMITED | Private company limited by shares | Dissolved |