| Xun An Environmental Resources (HK) Co., LIMITED | Private company limited by shares | Live |
| P&T ENVIRONMENTAL SERVICE CO., LIMITED | Private company limited by shares | Dissolved |
| Xin Yuen Environmental Transport Co., Limited | | Live |
| CS Environmental Treatment Co., Limited | | Live |
| Wang Pui Environmental Service Co., Limited | Private company limited by shares | Live |
| Wewon Environmental Chambers Co., Limited | | Live |
| ZHONGHANG ENVIRONMENTAL INTERNATIONAL CO., LIMITED | Private company limited by shares | Live |
| GREEN POWER ENVIRONMENTAL COATING LIMITED | Private company limited by shares | Live |
| KBM INTELLIGENT ENVIRONMENTAL PROTECTION EQUIPMENT COMANY LIMITED | Private company limited by shares | Live |
| CONPAL ENVIRONMENTAL LIMITED | Private company limited by shares | Dissolved |
| Environmental Strategy, Conservation and Management Company Limited | Private company limited by shares | Live |
| DM ENVIRONMENTAL CONSTRUCTION COMPANY LIMITED | | Live |
| Qian Li Environmental Design And Construction Limited | Private company limited by shares | Live |
| G.S. Environmental Construction Co. Limited | Private company limited by shares | Live |
| HY CONSTRUCTION MATERIALS ENVIRONMENTAL LIMITED | Private company limited by shares | Live |
| PARKLAND ENVIRONMENTAL CONSTRUCTION LIMITED | Private company limited by shares | Dissolved |
| CHINA ENVIRONMENTAL PROTECTION CONSTRUCTION LIMITED | Private company limited by shares | Dissolved |
| BMI Environmental Consultancy Limited | Private company limited by shares | Live |
| ATTA ENVIRONMENTAL CONSULTANCY LIMITED | Private company limited by shares | Dissolved |
| GOETHE Environmental Consultancy Company Limited | Private company limited by shares | Live |
| T&P Environmental Consultant Limited | Private company limited by shares | Live |
| Just In Time Environmental Consultant (HK) Limited | Private company limited by shares | Live |
| KWAN FAI ENVIRONMENTAL CARE CONSULTANT COMPANY LIMITED | Private company limited by shares | Dissolved |
| ENVIRONMENTAL CONSULTANTS LIMITED | Private company limited by shares | Live Commenced dormancy on 02-Mar-1998 |
| DR. ENVIRONMENTAL CONSULTANTS LIMITED | Private company limited by shares | Live |
| BLM ENVIRONMENTAL CONSULTANTS LIMITED | Private company limited by shares | Live |
| Yi Tai Rui Wo Environmental Consulting Company Limited | Private company limited by shares | Live |
| ASEL Environmental Consulting Company Limited | | Live |
| ENVIRONMENTAL EQUIPMENT CONSULTING (ASIA) LIMITED | Private company limited by shares | Dissolved |
| Asia Environmental Business Consulting Limited | Private company limited by shares | Live |
| Environmental International Consulting Co., Limited | Private company limited by shares | Live |
| eSustain Environmental Consulting Co. Limited | | Live |
| CECEP Environmental Consulting Group Limited | Private company limited by shares | Live |
| HK JIAFENG ENVIRONMENTAL CONSULTING LIMITED | Private company limited by shares | Live |
| CORNERSTONE ENVIRONMENTAL TECHNOLOGY CONSULTING COMPANY LIMITED | Private company limited by shares | Live |
| VATTEN ENVIRONMENTAL CONSULTING LIMITED | Private company limited by shares | Live |
| WAI YIP (ENVIRONMENTAL) ROCK CORE STORAGE CO. LIMITED | Private company limited by shares | Live |
| TRINITY ENVIRONMENTAL CORP. LIMITED | Private company limited by shares | Live |
| ENVIRONMENTAL SEAL CORPORATION LIMITED | Private company limited by shares | Live |
| COSMOS ENVIRONMENTAL ASSOCIATE COMPANY LIMITED | Private company limited by shares | Dissolved |
| ENVIRONMENTAL INNOVATION COUNCIL LIMITED | Company limited by guarantee | Live |
| CREATIVE ENVIRONMENTAL LIMITED | Private company limited by shares | Dissolved |
| CRUCIAL ENVIRONMENTAL LIMITED | Private company limited by shares | Live |
| CSIC ENVIRONMENTAL (HONG KONG) CO., LIMITED | Private company limited by shares | Live |
| DAFU ENVIRONMENTAL PROTECTION TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| Qingdao Dannovo Environmental Tech Limited | Private company limited by shares | Live |
| DASUNG ENVIRONMENTAL LIMITED | Private company limited by shares | Live |
| ENVIRONMENTAL DECONTAMINATION (HK) LIMITED | Private company limited by shares | Live |
| ENVIRONMENTAL DESIGN LIMITED | Private company limited by shares | Dissolved |
| HWV ENVIRONMENTAL ART DESIGN LIMITED | Private company limited by shares | Dissolved |
| CWD W.X.Z ARCHITECTURE AND ENVIRONMENTAL DESIGN LIMITED | Private company limited by shares | Live |
| China environmental graphics design Co., Limited | Private company limited by shares | Live |
| EDASIA ENVIRONMENTAL DESIGN CO., LIMITED | Private company limited by shares | Live |
| M&T ENVIRONMENTAL DESIGN CONSULTANTS LIMITED | Private company limited by shares | Dissolved |
| Design By Environmental Research Limited | | Live |
| Devon Environmental Technology Limited | Private company limited by shares | Live |
| CENTRAL DISHWARE ENVIRONMENTAL CLEANING AND STERILIZING LIMITED | Private company limited by shares | Dissolved |
| Dominate environmental protection International Limited | Private company limited by shares | Live |
| DOMINIC ENVIRONMENTAL TECHNOLOGY (CHINA) LIMITED | Private company limited by shares | Live |
| DONGJIANG ENVIRONMENTAL (HK) CO., LIMITED | Private company limited by shares | Live |
| Dunton Environmental (HK) Limited | Private company limited by shares | Live |
| DUNWELL ENVIRONMENTAL MANAGEMENT COMPANY LIMITED | Private company limited by shares | Live |
| Earth-Tech Environmental Investment Limited | Private company limited by shares | Live |
| EASE ENVIRONMENTAL COMPANY LIMITED | Private company limited by shares | Live |
| RICH EASE ENVIRONMENTAL PROTECTION CO., LIMITED | Private company limited by shares | Live |
| Environmental Solutions Far East Limited | Private company limited by shares | Live |
| Eastern Environmental Limited | Private company limited by shares | Live |
| Road Butler Environmental Protection Ecological Technology Company Limited | | Live |
| China Ecological Environmental Protection Association Limited | Private company limited by shares | Live |
| China Environmental Protection and Ecological Governance Limited | Private company limited by shares | Live |
| Wai Tin Ecology and Environmental Protection Research Limited | | Live |
| Ecota Environmental Limited | Private company limited by shares | Live |
| ECOTA ENVIRONMENTAL TECHNOLOGY (H.K) CO, LIMITED | Private company limited by shares | Live Commenced dormancy on 14-Jan-2016 |
| ECOVIEW ENVIRONMENTAL TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| CHINESE ENVIRONMENTAL & EDUCATION FOUNDATION LIMITED | Company limited by guarantee | Dissolved |
| ENDEAVOUR ENVIRONMENTAL EDUCATION FOUNDATION LIMITED | Company limited by guarantee | Live |
| Ha Pak Nai Environmental Education Fund Limited | Private company limited by shares | Live |
| LOVHOME Environmental Education Foundation Limited | | Live |
| HK ENVIRONMENTAL ELECTRICAL APPLIANCE LIMITED | | Live |
| CHUNG KIN ELECTRONICS & ENVIRONMENTAL LIMITED | Private company limited by shares | Dissolved |
| Electropure Environmental Company Limited | Private company limited by shares | Live |
| ELITE ENVIRONMENTAL SOLUTIONS LIMITED | Private company limited by shares | Live |
| YI AN ENVIRONMENTAL NEW ENERGY COMPANY LIMITED | Private company limited by shares | Dissolved |
| SKY ENVIRONMENTAL ENERGY LIMITED | Private company limited by shares | Dissolved |
| ASIA ENVIRONMENTAL ENERGY LIMITED | Private company limited by shares | Dissolved |
| Biomax Environmental Energy Limited | Private company limited by shares | Live |
| ECO Environmental Energy (China) Limited | Private company limited by shares | Live |
| CHINA ENERGY OF ENVIRONMENTAL TECHNOLOGY ACADEME LIMITED | Private company limited by shares | Live |
| CHINA ENVIRONMENTAL ENERGY GROUP CO., LIMITED | Private company limited by shares | Live |
| China Energy Environmental International Group Limited | Private company limited by shares | Live |
| CHINA ENVIRONMENTAL ENERGY (INTERNATIONAL) LIMITED | Private company limited by shares | Dissolved |
| CHINA ENERGY AND ENVIRONMENTAL TECHNOLOGY LIMITED | Private company limited by shares | Live |
| HK ENVIRONMENTAL ENERGY CO., LIMITED | Private company limited by shares | Live |
| Bosi Environmental Energy Co., Limited | | Live |
| TIM WAI ENVIRONMENTAL POWER ENERGY CO., LIMITED | Private company limited by shares | Dissolved |
| DAZHONGHUA ENVIRONMENTAL ENERGY INVESTMENT LIMITED | Private company limited by shares | Live |
| FINE SUCCESS NEW ENERGY ENVIRONMENTAL TECHNOLOGICAL COMPANY LIMITED | Private company limited by shares | Live |
| Global Environmental Energy Corp Limited | Private company limited by shares | Dissolved |
| Green Environmental Energy Fund Limited | Private company limited by shares | Live |
| Greens Energy Environmental (Baicheng) Limited | Private company limited by shares | Live |