| 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 |
| International Environment Development Group Limited | Private company limited by shares | Live |
| EIWA ENVIRONMENT INTERNATIONAL LIMITED | Private company limited by shares | Live |
| International Society of Energy and Built Environment Limited | | Live |
| INTERNATIONAL ENERGY ENVIRONMENT GROUP (CHINA) COMPANY LIMITED | Private company limited by shares | Live |
| H&C International Environment Engineering Limited | Private company limited by shares | Live |
| Tin Yui Environment Engineering (International) Limited | | Live |
| GREEN ENVIRONMENT PACK INTERNATIONAL LIMITED | Private company limited by shares | Live |
| GREEN YOUNG ENVIRONMENT INTERNATIONAL LIMITED | Private company limited by shares | Live |
| Quanxin'ai Environment International Group Co., Limited | Private company limited by shares | Live |
| Quanxin'ai Environment International Group Co., Limited | | Live |
| GUIGU ENVIRONMENT INTERNATIONAL LIMITED | Private company limited by shares | Live |
| INTERNATIONAL HEALTH ENVIRONMENT INVESTMENT HOLDINGS LIMITED | Private company limited by shares | Dissolved |
| Hersche International Environment Investment Company Limited | Private company limited by shares | Live |
| INTERNATIONAL ENVIRONMENT GROUP (HONG KONG) LIMITED | Private company limited by shares | Live |
| HONG KONG INTERNATIONAL ENVIRONMENT HOLDINGS LIMITED | Private company limited by shares | Dissolved |
| HONG KONG WAI YIP INTERNATIONAL ENVIRONMENT INVESTMENT LIMITED | Private company limited by shares | Live |
| HOTIY INTERNATIONAL ENVIRONMENT GROUP LIMITED | Private company limited by shares | Dissolved |
| ENVIRONMENT HYGIENE INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| INTERNATIONAL ENVIRONMENT FENGSHUI INSTITUTE LIMITED | Private company limited by shares | Live |
| INTERNATIONAL INVESTMENT ENVIRONMENT ACADEMY LIMITED | Private company limited by shares | Dissolved |
| JIAWEI ENVIRONMENT INTERNATIONAL INVESTMENT (HK) LIMITED | Private company limited by shares | Dissolved |
| INTERNATIONAL ENVIRONMENT MANAGEMENT (CHINA) LIMITED | Private company limited by shares | Dissolved |
| INTERNATIONAL ENVIRONMENT SAFETY MANAGEMENT LIMITED | Private company limited by shares | Dissolved |
| SOUTH MARINE ENVIRONMENT INTERNATIONAL HOLDING LIMITED | Private company limited by shares | Live |
| ENVIRONMENT PROTECTIVE INTERNATIONAL BUILDING MATERIAL CO. LIMITED | Private company limited by shares | Dissolved |
| China International Environment Protection Association Limited | Private company limited by shares | Dissolved |
| CHINA LAO HAI INTERNATIONAL ENVIRONMENT PROTECTION GROUP LIMITED | Private company limited by shares | Dissolved |
| HO WAH INTERNATIONAL ENVIRONMENT PROTECTION DEVELOPMENT LIMITED | Private company limited by shares | Dissolved |