| XINYI ENVIRONMENTAL CARE TECHNOLOGY INVESTMENT LIMITED | Private company limited by shares | Live |
| JASON Environmental Technology Co., Limited | | Live |
| HK ZHONGXIN HOLDING JUNYI ELECTRONIC ENVIRONMENTAL PROTECTION TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| JUSTFULL ENVIRONMENTAL TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| KONCHE ENVIRONMENTAL TECHNOLOGY (HK) CO., LIMITED | Private company limited by shares | Live |
| CP Leader Environmental Technology Limited | Private company limited by shares | Live |
| CHUNG LEUNG ENVIRONMENTAL TECHNOLOGY COMPANY LIMITED | Private company limited by shares | Live |
| LICO Environmental Technology Co. Limited | Private company limited by shares | Live |
| LIFA AIR ENVIRONMENTAL TECHNOLOGY LIMITED | Private company limited by shares | Live |
| Lihua Environmental Technology Co., Limited | | Live |
| Jet Link Environmental Technology Limited | Private company limited by shares | Live |
| China HK Longpei Environmental Technology Group Limited | | Live |
| LVFA ENVIRONMENTAL TECHNOLOGY LIMITED | | Live |
| MagMotion Environmental Technology Co Limited | Private company limited by shares | Dissolved |
| MATPRO ENVIRONMENTAL TECHNOLOGY CONSULTANT COMPANY LIMITED | Private company limited by shares | Live |
| MEGA ENVIRONMENTAL TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| Metropolitan Technology and Environmental Group Limited | Private company limited by shares | Dissolved |
| Michael Environmental Technology (China) Limited | Private company limited by shares | Live |
| Green Miles Environmental Technology Limited | | Live |
| MILLENNIUM ENVIRONMENTAL TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| MILLENNIUM ENVIRONMENTAL TECHNOLOGY LIMITED | Private company limited by shares | Live |
| NANOVA ENVIRONMENTAL TECHNOLOGY LIMITED | Private company limited by shares | Live |
| ORIENTAL RICH ENVIRONMENTAL TECHNOLOGY LIMITED | Private company limited by shares | Live |
| ORKNEY ENVIRONMENTAL TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| Ozoglad Environmental Technology Limited | Private company limited by shares | Live |
| PARK RICH ENVIRONMENTAL TECHNOLOGY LIMITED | Private company limited by shares | Live |
| POWER ELEPHANT ENVIRONMENTAL TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| C & G Environmental Technology (Urban Projects) Limited | Private company limited by shares | Live |
| Pro-Tech Environmental Technology Limited | Private company limited by shares | Live |
| ANQEL ENVIRONMENTAL PROTECTION TECHNOLOGY DEVELOPING LIMITED | Private company limited by shares | Live |
| Bluestar Environmental Protection Technology Limited | Private company limited by shares | Live |
| CHINA WAH WAI ENVIRONMENTAL PROTECTION TECHNOLOGY LIMITED | Private company limited by shares | Live |
| China Clean Environmental Protection Technology Limited | Private company limited by shares | Live |
| China Environmental Protection Technology Co., Limited | Private company limited by shares | Live |
| CHINA ENVIRONMENTAL PROTECTION TECHNOLOGY CORPORATION LIMITED | Private company limited by shares | Dissolved |
| NXF (China) Environmental Protection Technology Investment Limited | | Live |
| CHINA SPACE ENVIRONMENTAL PROTECTION TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| Fengdong Environmental Protection Technology Co., Limited | Private company limited by shares | Live |
| FORTUNE ENVIRONMENTAL PROTECTION TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| GERMANY HANDELIN ENVIRONMENTAL PROTECTION TECHNOLOGY LIMITED | Private company limited by shares | Live |
| HK GREEN ENVIRONMENTAL PROTECTION TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| GREEN ENVIRONMENTAL PROTECTION TECHNOLOGY LIMITED | Private company limited by shares | Live |
| Green Environmental Protection And Technology Group Limited | | Live |
| HUDI ENVIRONMENTAL PROTECTION TECHNOLOGY (HK) LIMITED | Private company limited by shares | Live |
| Hk Jisen Intelligent Environmental Protection Technology Limited | Private company limited by shares | Live |
| JINQI ENVIRONMENTAL PROTECTION TECHNOLOGY COMPANY LIMITED | Private company limited by shares | Live |
| MOBOTEC ENVIRONMENTAL PROTECTION TECHNOLOGY CO., LIMITED | Private company limited by shares | Dissolved |
| USA TAOSHISHUN ENVIRONMENTAL PROTECTION TECHNOLOGY LIMITED | Private company limited by shares | Live |
| QIANLONG ENVIRONMENTAL TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| SKY RICH ENVIRONMENTAL TECHNOLOGY LIMITED | Private company limited by shares | Live |
| DM ENVIRONMENTAL SCIENCE & TECHNOLOGY COMPANY LIMITED | Private company limited by shares | Dissolved |
| SHANGHAI XUHE ENVIRONMENTAL TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| Shewell Environmental Technology Co., Limited | Private company limited by shares | Live |
| SHYUAN-KUO ENVIRONMENTAL TECHNOLOGY COMPANY LIMITED | Private company limited by shares | Dissolved |
| SIWEI ENVIRONMENTAL TECHNOLOGY HOLDING LIMITED | Private company limited by shares | Live |
| SKYBRIGHT ENVIRONMENTAL TECHNOLOGY LIMITED | Private company limited by shares | Live |
| ENVIRONMENTAL SOLUTION TECHNOLOGY CO., LIMITED | Private company limited by shares | Dissolved |
| STAR LAKE COORDINATES ENVIRONMENTAL TECHNOLOGY LIMITED | Private company limited by shares | Live |
| SUCHUANG DUNHUA ENVIRONMENTAL TECHNOLOGY COMPANY LIMITED | Private company limited by shares | Live |
| SUINIXING (CHINA) ENVIRONMENTAL PROTECTION TECHNOLOGY LIMITED | Private company limited by shares | Live |
| Sunking Environmental Technology Co., Limited | Private company limited by shares | Dissolved |
| Sunny Environmental Technology Co., Limited | | Live |
| SUNSHENG ENVIRONMENTAL TECHNOLOGY GROUP CO., LIMITED | Private company limited by shares | Dissolved |
| HK CHONGXING TERRITORY ENVIRONMENTAL PROTECTION TECHNOLOGY LIMITED | Private company limited by shares | Live |
| THOMSON ENVIRONMENTAL TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| Tianhe Environmental Technology Limited | | Live |
| HK TIANNING ENVIRONMENTAL TECHNOLOGY LIMITED | Private company limited by shares | Live |
| T-SHINE ENVIRONMENTAL TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| TUNG HIP ENVIRONMENTAL TECHNOLOGY LIMITED | | Live |
| TWINKLE ENVIRONMENTAL TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| UPSTAR ENVIRONMENTAL TECHNOLOGY CO., LIMITED | | Live |
| VITREO ENVIRONMENTAL TECHNOLOGY LIMITED | Private company limited by shares | Live |
| Plenty Wealth Environmental Technology Limited | Private company limited by shares | Live |
| Wego Environmental Technology Limited | Private company limited by shares | Dissolved |
| Well Clean Environmental Technology Limited | Private company limited by shares | Live |
| WINDSOR ENVIRONMENTAL TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| WING TAI ENVIRONMENTAL TECHNOLOGY LIMITED | Private company limited by shares | Live |
| Wintex Environmental Technology Limited | Private company limited by shares | Live |
| HK XUNYAN ENVIRONMENTAL TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| YIWAN Environmental Technology (HK) Limited | | Live |
| Youcheng Environmental Technology (Hong Kong) Limited | | Live |
| Yuzhang Environmental Technology Co. , Limited | Private company limited by shares | Live |
| Zhanda Environmental Technology (Hong Kong) Limited | Private company limited by shares | Live |
| ZHONGGANG ENVIRONMENTAL TECHNOLOGY (HONG KONG) COMPANY LIMITED | Private company limited by shares | Live |
| HANWANG ZHONGXING ENVIRONMENTAL TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| TELFORD ENVIRONMENTAL RESOURCE LIMITED | Private company limited by shares | Live |
| TELFORD ENVIRONMENTAL SERVICE LIMITED | Private company limited by shares | Live |
| TERESA ENVIRONMENTAL (HOLDING) GROUP COMPANY, LIMITED | Private company limited by shares | Dissolved |
| TERS ENVIRONMENTAL (HOLDING) GROUP COMPANY, LIMITED | Private company limited by shares | Live |
| TESCO ENVIRONMENTAL PROTECTION (HK) CO., LIMITED | Private company limited by shares | Live |
| Tesselaar Environmental Solutions (HK) Limited | Private company limited by shares | Dissolved |
| Tesseract Environmental Group Limited | Private company limited by shares | Live |
| ASIA PACIFIC ENVIRONMENTAL TESTING COMPANY LIMITED | Private company limited by shares | Live |
| QUALITY ENVIRONMENTAL CERTIFICATION TESTING (CENTER) LIMITED | Private company limited by shares | Dissolved |
| Vibration and Environmental Testing Company Limited | Private company limited by shares | Live |
| KONG THAI (ASIA) ENVIRONMENTAL TRADING COMPANY LIMITED | Private company limited by shares | Live |
| TIANE ENVIRONMENTAL CO., LIMITED | Private company limited by shares | Live |
| Yorkshire Environmental Timber Limited | Private company limited by shares | Live |
| TioStone Environmental Limited | Private company limited by shares | Live |
| TONGJIANG ENVIRONMENTAL CO., LIMITED | Private company limited by shares | Dissolved |