| ONE ENVIRONMENT HOLDINGS COMPANY LIMITED -THE- | Private company limited by shares | Live |
| CHINA ENVIRONMENT HOLDINGS LIMITED | Private company limited by shares | Live |
| ENERGY ENVIRONMENT HOLDINGS LIMITED | Private company limited by shares | Live |
| China Energy Environment (Holdings) Limited | Private company limited by shares | Live |
| NOVEL ENERGY & GREEN ENVIRONMENT HOLDINGS LIMITED | Private company limited by shares | Live |
| CHINA ENVIRONMENT ENGINEERING HOLDINGS LIMITED | Private company limited by shares | Live |
| NATURAL ENVIRONMENT (HOLDINGS) LIMITED | Private company limited by shares | Dissolved |
| Beauty Home Environment Limited | Private company limited by shares | Live |
| CLEAR WATER (HONG KONG) ENVIRONMENT PURIFY ENGINEERING LIMITED | Private company limited by shares | Live |
| Clean Environment (Hong Kong) Co., Limited | Private company limited by shares | Live |
| Hong Kong NDK Environment Engineering Co., Limited | Private company limited by shares | Live |
| HONG KONG JUN YU ENVIRONMENT CO., LIMITED | Private company limited by shares | Dissolved |
| HK Hong Ming Environment Co., Limited | Private company limited by shares | Live |
| HONG KONG ENVIRONMENT ECOLOGY LIMITED | Private company limited by shares | Dissolved |
| HONG KONG XU HE ENVIRONMENT ENGINEERING COMPANY LIMITED | Private company limited by shares | Dissolved |
| ENVLITE ENVIRONMENT HONG KONG COMPANY LIMITED | Private company limited by shares | Dissolved |
| Hong Kong Environment Exchange Limited | Private company limited by shares | Live |
| China Water Environment Group (Hong Kong) Limited | Private company limited by shares | Live |
| HONG KONG HHJZ ENVIRONMENT PROTECTION YARN GROUP CO., LIMITED | Private company limited by shares | Dissolved |
| Clean Environment (Hong Kong) Investment Limited | Private company limited by shares | Dissolved |
| Hong Kong NCE Environment Investment Holding Limited | Private company limited by shares | Live |
| NTC (Hong Kong) Environment Limited | Private company limited by shares | Live |
| NEW SKY (HONG KONG) ENVIRONMENT LIMITED | Private company limited by shares | Live |
| NWS Environment (Hong Kong) Limited | | Live |
| OCEAN SKY ENVIRONMENT (HONG KONG) LIMITED | | Live |
| Eternek Environment Technology (Hong Kong) Limited | Private company limited by shares | Live |
| OCEAN SKY ENVIRONMENT TECHNOLOGY (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| KONZEN ENVIRONMENT (HONG KONG) COMPANY LIMITED | Private company limited by shares | Live |
| Hong Kong Top Level Environment Design Company Limited | Private company limited by shares | Live |
| YAN WING (HONG KONG) ENVIRONMENT MANAGEMENT LIMITED | Private company limited by shares | Live |
| ENVIRONMENT PROTECTION COMPANY (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| YEE HOP ENVIRONMENT PROTECTION (HONG KONG) LIMITED | Private company limited by shares | Live |
| TUNG WAI ENVIRONMENT PROTECTION HONG KONG LIMITED | Private company limited by shares | Live |
| Shanghai Environment Group (Hong Kong) Company Limited | Private company limited by shares | Dissolved |
| HONG KONG WINSTAR ENVIRONMENT TECHNOLOGIES LIMITED | Private company limited by shares | Dissolved |
| HONG BAO ENVIRONMENT TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| HONG KONG XIN YUAN JIA ENVIRONMENT TECHNOLOGY LIMITED | Private company limited by shares | Live |
| AWS ENVIRONMENT (HONGKONG) LIMITED | Private company limited by shares | Live |
| HONGKONG RU MEI DA ENVIRONMENT ARTS ENGINEERING DESIGN LIMITED | Private company limited by shares | Dissolved |
| HONGKONG CLEAN ENVIRONMENT BIO-TECH CO., LIMITED | Private company limited by shares | Live |
| Shangshi Environment (Hongkong) Co., Limited | Private company limited by shares | Live |
| Hongkong Supratec Environment Co., Limited | Private company limited by shares | Live |
| HONGKONG EAST DATANG ENVIRONMENT ART DESIGN LIMITED | Private company limited by shares | Dissolved |
| HONGKONG RUNJING ENVIRONMENT ART AND DESIGN LIMITED | Private company limited by shares | Live |
| HONGKONG DEEHENG ENVIRONMENT ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| FENGYE (HONGKONG) TECHNOLOGY ENVIRONMENT PROTECTION LIMITED | Private company limited by shares | Dissolved |
| HONGKONG GOLDLUCK ENVIRONMENT SERVICE TRADE LIMITED | Private company limited by shares | Live |
| HONGKONG HVAC ENVIRONMENT EQUIPMENT CO. LIMITED | Private company limited by shares | Live |
| HongKong Grand Industry & Environment Limited | Private company limited by shares | Live |
| HONGKONG KAITAI ENVIRONMENT TECHNOLOGY CO., LIMITED | | Live |
| HONGKONG LANGNENG ENVIRONMENT INVESTMENT CONSULTANT LIMITED | Private company limited by shares | Dissolved |
| HONGKONG LONGMEI ENVIRONMENT PROTECTION CO., LIMITED | Private company limited by shares | Dissolved |
| HONGKONG JUN JIE ENVIRONMENT PROTECTION TECHNOLOGY LIMITED | Private company limited by shares | Live |
| HongKong Pushing Environment Monitoring Limited | Private company limited by shares | Live |
| HONGKONG SANYANG ENVIRONMENT PROTECTION TECHNOLOGY LIMITED | Private company limited by shares | Live |
| Stariver Environment (Hongkong) Co., Limited | | Live |
| HONGKONG TAIQUAN ENVIRONMENT LIMITED | Private company limited by shares | Live |
| HONGKONG YJK ENVIRONMENT TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| HongKong Beautify Natural Environment Technology Limited | | Live |
| HONGKONG NEW AGE ENVIRONMENT TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| SIM Environment Technology (Hongkong) Co., Limited | Private company limited by shares | Live |
| HONGKONG YELI ENVIRONMENT TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| Hongkong Pure Green Environment Technology Limited | Private company limited by shares | Live |
| HONGKONG LVDITIE ENVIRONMENT TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| HK ONE HOUSE ENVIRONMENT ART DESIGN LIMITED | Private company limited by shares | Live |
| Huachen Resources and Environment Limited | Private company limited by shares | Live |
| CHANGJIANG HUANGHE ENVIRONMENT PROTECTION FUND LIMITED | Private company limited by shares | Dissolved |
| HK HUAYU (INT'L) ENVIRONMENT & BUILDING DESIGN LIMITED | Private company limited by shares | Dissolved |
| ENVIRONMENT HYGIENE SERVICE LIMITED | Private company limited by shares | Dissolved |
| Pico Environment Hygienic Limited | Private company limited by shares | Live |
| Iceland A Curreri Environment Technology Co., Limited | | Live |
| China Indoor Environment Association Limited | Private company limited by shares | Live |
| Henglong Environment & Industrial Co. Limited | Private company limited by shares | Dissolved |
| ENVIRONMENT INDUSTRIES INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| Natural Resources Environment Protection Industries Limited | Private company limited by shares | Dissolved |
| CHINA ENVIRONMENT INDUSTRY DEVELOPING & PROMOTION LIMITED | Private company limited by shares | Live |
| Plastic Industry Environment Limited | Private company limited by shares | Live |
| MEINHARDT INFRASTRUCTURE AND ENVIRONMENT LIMITED | Private company limited by shares | Live |
| INNOVATION ENVIRONMENT LIMITED | Private company limited by shares | Dissolved |
| Chinese Environment FengShui Institute Co., Limited | Private company limited by shares | Live |
| ENVIRONMENT AND LIFE FORUM RESEARCH INSTITUTE LIMITED | Private company limited by shares | Live |
| ASIA PACIFIC ENVIRONMENT SCIENTIFIC INSTITUTE LIMITED | Private company limited by shares | Live |
| CHINA HUMANITIES ENVIRONMENT RESEARCH INSTITUTE LIMITED | Private company limited by shares | Dissolved |
| HONG KONG ENVIRONMENT & SAFETY INSTRUMENT LIMITED | Private company limited by shares | Dissolved |
| MH Environment International Limited | Private company limited by shares | Live |
| International Research Academy of Environment Limited | Private company limited by shares | Live |
| ADVANCED ENVIRONMENT INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| INTERNATIONAL ENVIRONMENT ALLIANCE (CHINA) CO., LIMITED | Private company limited by shares | Dissolved |
| International Biology and Environment Research Institute Limited | Private company limited by shares | Live |
| BRIGHT INTERNATIONAL (H.K.) ENVIRONMENT LIMITED | Private company limited by shares | Dissolved |
| Castle Environment Protection International Limited | Private company limited by shares | Dissolved |
| CHIU'S ENVIRONMENT INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| CNHOMELAND Environment International Limited | Private company limited by shares | Live |
| SUS Environment International Co., Limited | Private company limited by shares | Live |
| LvFang International Environment Design Co., Limited | Private company limited by shares | Live |
| INTERNATIONAL ENVIRONMENT INVESTMENT HOLDING CO., LIMITED | Private company limited by shares | Live |
| XINCHUANG ENVIRONMENT INTERNATIONAL CO., LIMITED | | Live |
| INTERNATIONAL STRATEGIC ENVIRONMENT CONSULTANTS LIMITED | Private company limited by shares | Dissolved |
| AMAZONAS INTERNATIONAL ENVIRONMENT DEVELOPMENT COMPANY LIMITED | Private company limited by shares | Dissolved |
| FOREST INTERNATIONAL (ENVIRONMENT) DEVELOPMENT LIMITED | Private company limited by shares | Dissolved |