| HK Canfull ENVIRONMENTAL TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| CANTON ENVIRONMENTAL TECHNOLOGY LIMITED | Private company limited by shares | Live |
| Carin Environmental Technology Group Company Limited | Private company limited by shares | Live |
| Win Champion Environmental Technology Limited | Private company limited by shares | Live |
| Charming Environmental Technology Limited | | Live |
| BGP ENVIRONMENTAL TECHNOLOGY (CHINA) LIMITED | Private company limited by shares | Live |
| BIO BEST ENVIRONMENTAL TECHNOLOGY (CHINA) LIMITED | Private company limited by shares | Dissolved |
| BOGO (CHINA) ENVIRONMENTAL TECHNOLOGY LIMITED | Private company limited by shares | Live |
| CHINA ENVIRONMENTAL TECHNOLOGY GROUP CO., LIMITED | Private company limited by shares | Live |
| China Environmental Technology International Group Limited | | Live |
| CHINA ENVIRONMENTAL TECHNOLOGY (HOLDING) LIMITED | Private company limited by shares | Dissolved |
| SOUTH CHINA ENVIRONMENTAL TECHNOLOGY HOLDING LIMITED | Private company limited by shares | Dissolved |
| CHINA ENVIRONMENTAL TECHNOLOGY INDUSTRY (GROUP) LIMITED | Private company limited by shares | Live |
| China Nator Environmental Technology Limited | Private company limited by shares | Live |
| SOUTH CHINA ENVIRONMENTAL TECHNOLOGY CO LIMITED | Private company limited by shares | Live |
| SOUTH CHINA ENVIRONMENTAL TECHNOLOGY (HK) LIMITED | Private company limited by shares | Live |
| USA TAO'S ENVIRONMENTAL TECHNOLOGY (CHINA) LIMITED | Private company limited by shares | Live |
| CHINA ENVIRONMENTAL (HK) WORLD TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| China-Czech Environmental Technology (H.K.) Limited | Private company limited by shares | Live |
| CHUANGMEI ENVIRONMENTAL TECHNOLOGY CO., LIMITED | Private company limited by shares | Dissolved |
| CHUNG TIN ENVIRONMENTAL TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| Clean Air Environmental Technology Limited | Private company limited by shares | Live |
| HV ENVIRONMENTAL TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| Le & Der Environmental Technology Co., Limited | Private company limited by shares | Live |
| FAN TAT ENVIRONMENTAL TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| WFS ENVIRONMENTAL TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| Go Environmental Technology Co., Limited | Private company limited by shares | Live |
| JLD Environmental Technology co., Limited | Private company limited by shares | Live |
| SOT Environmental Technology Co., LIMITED | Private company limited by shares | Live |
| DGC ENVIRONMENTAL TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| YST Environmental Technology Co., Limited | | Live |
| DOCTOR'S ENVIRONMENTAL TECHNOLOGY CO., LIMITED | Private company limited by shares | Dissolved |
| EASTERN ENVIRONMENTAL TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| UD Environmental Equipment Technology Co., Limited | Private company limited by shares | Live |
| GAD Environmental (HK) Technology Co., Limited | Private company limited by shares | Live |
| GEO ENVIRONMENTAL TECHNOLOGY (HK) CO., LIMITED | Private company limited by shares | Live |
| WU SHI ENVIRONMENTAL TECHNOLOGY (HK) CO., LIMITED | Private company limited by shares | Live |
| Bay Environmental Technology (HongKong) Co., Limited | Private company limited by shares | Live |
| Naga Environmental Technology CO., Limited | Private company limited by shares | Live |
| O'MEET ENVIRONMENTAL TECHNOLOGY CO., LIMITED | Private company limited by shares | Dissolved |
| MBS Environmental Science And Technology Co., Limited | Private company limited by shares | Live |
| Vactery Environmental Technology Co., Limited | Private company limited by shares | Live |
| ENVIRONMENTAL TECHNOLOGY CONSULTANTS LIMITED | Private company limited by shares | Live |
| ENVIRONMENTAL TECHNOLOGY CORPORATION LIMITED | Private company limited by shares | Dissolved |
| Dayang Environmental Technology (Hong Kong) Limited | | Live |
| DEBIN ENVIRONMENTAL TECHNOLOGY COMPANY LIMITED | Private company limited by shares | Live |
| Denis Environmental Technology (Hong Kong) Limited | | Live |
| DERON ENVIRONMENTAL TECHNOLOGY LIMITED | Private company limited by shares | Live |
| DESSA ENVIRONMENTAL TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| DONGJIE ENVIRONMENTAL TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| DONGSHEN ENVIRONMENTAL TECHNOLOGY COMPANY LIMITED | Private company limited by shares | Live |
| EARTH-LINK (P.R.C.) ENVIRONMENTAL TECHNOLOGY ENTERPRISES LIMITED | Private company limited by shares | Live |
| CHINA EAST ENVIRONMENTAL TECHNOLOGY SHARES LIMITED | Private company limited by shares | Dissolved |
| EAST STAR ENVIRONMENTAL TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| Ecologia Environmental Technology Company Limited | Private company limited by shares | Live |
| EVER NEW ENVIRONMENTAL TECHNOLOGY LIMITED | Private company limited by shares | Live |
| Fair Environmental Technology (HK) Limited | | Live |
| FAITHFUL ENVIRONMENTAL TECHNOLOGY LIMITED | Private company limited by shares | Live |
| Founding Environmental Innovation Technology Limited | Private company limited by shares | Live |
| GANGLONG ENVIRONMENTAL TECHNOLOGY LIMITED | Private company limited by shares | Live |
| GARRICK ENVIRONMENTAL TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| Gematic Environmental Technology Limited | Private company limited by shares | Dissolved |
| Gentech Environmental Technology Limited | Private company limited by shares | Dissolved |
| GERMANY AOMAN ENVIRONMENTAL TECHNOLOGY LIMITED | Private company limited by shares | Live |
| Germany Advanced Environmental Technology (Asia) Limited | Private company limited by shares | Live |
| Germany BKA Environmental Technology Co., Limited | | Live |
| GoGreen Environmental Technology Co., Limited | | Live |
| G-POWER ENVIRONMENTAL TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| GRANDSON ENVIRONMENTAL TECHNOLOGY LIMITED | Private company limited by shares | Live |
| GREEN CENTURY ENVIRONMENTAL TECHNOLOGY LIMITED | Private company limited by shares | Live |
| STORM GREEN ENVIRONMENTAL TECHNOLOGY LIMITED | Private company limited by shares | Live |
| Greenex Environmental Technology Limited | Private company limited by shares | Live |
| GREENSTAR ENVIRONMENTAL TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| GREENWOOD ENVIRONMENTAL TECHNOLOGY COMPANY LIMITED | Private company limited by shares | Dissolved |
| Wei Fa Group Environmental Technology Company Limited | Private company limited by shares | Live |
| USA FUBANG ENVIRONMENTAL TECHNOLOGY GROUP LIMITED | Private company limited by shares | Dissolved |
| GUOYU ENVIRONMENTAL SCIENCE AND TECHNOLOGY CO., LIMITED | | Live |
| HANG WING ENVIRONMENTAL TECHNOLOGY COMPANY LIMITED | Private company limited by shares | Live |
| WING HANG ENVIRONMENTAL TECHNOLOGY LIMITED | Private company limited by shares | Live |
| HENGHUI ENVIRONMENTAL TECHNOLOGY LIMITED | Private company limited by shares | Live |
| Heyday Environmental Technology Limited | | Live |
| Environmental Technology (HK) Limited | Private company limited by shares | Live |
| JG Environmental (HK) Technology Limited | Private company limited by shares | Live |
| JHF ENVIRONMENTAL TECHNOLOGY (HK) LIMITED | Private company limited by shares | Live |
| ENTECH ENVIRONMENTAL TECHNOLOGY (HK) CO LIMITED | Private company limited by shares | Dissolved |
| TERCHY ENVIRONMENTAL TECHNOLOGY (HK) LIMITED | Private company limited by shares | Dissolved |
| ZOOMLION ENVIRONMENTAL TECHNOLOGY (HK) LIMITED | Private company limited by shares | Live |
| HOPO ENVIRONMENTAL TECHNOLOGY LIMITED | Private company limited by shares | Live Commenced dormancy on 01-Mar-2016 |
| HUALI ENVIRONMENTAL TECHNOLOGY (HK) LIMITED | Private company limited by shares | Live |
| IDEA ENVIRONMENTAL TECHNOLOGY GROUP LIMITED | Private company limited by shares | Dissolved |
| INFINITY ENVIRONMENTAL TECHNOLOGY (HONG KONG) LIMITED | Private company limited by shares | Live |
| InnoMan Environmental Technology Limited | Private company limited by shares | Live |
| ENVIRONMENTAL INNOVATION TECHNOLOGY COMPANY LIMITED | Private company limited by shares | Live |
| 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 |