| CHELSEA ENVIRONMENTAL PRODUCTS LIMITED | Private company limited by shares | Dissolved |
| GRANDORTH ENVIRONMENTAL CHEMICALS CO., LIMITED | Private company limited by shares | Live |
| LIT CHEONG ENVIRONMENTAL ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| TAK CHEONG ENVIRONMENTAL RECYCLING LIMITED | Private company limited by shares | Live |
| WING CHEONG METAL ENVIRONMENTAL RECYCLING LIMITED | Private company limited by shares | Live |
| CHIA TAI ENVIRONMENTAL TECHNOLOGY CO., LIMITED | Private company limited by shares | Dissolved |
| CHI-KAI ENVIRONMENTAL SERVICE COMPANY LIMITED | Private company limited by shares | Live |
| Germany Chimusi Environmental Tech Limited | Private company limited by shares | Live |
| USA PAN ASIA PERSPECTIVE ENVIRONMENTAL DESIGN (CHINA) LIMITED | Private company limited by shares | Dissolved |
| China Everbright Environmental Group Limited | Private company limited by shares | Live |
| CHINA ENVIRONMENTAL FAMILY LIMITED | Private company limited by shares | Dissolved |
| CHINA ENVIRONMENTAL SCIENCE FEDERATION LIMITED | Private company limited by shares | Live |
| Fildrop China Environmental Biotech Co., Limited | Private company limited by shares | Live |
| CHINA ENVIRONMENTAL FOUNDATION LIMITED | Private company limited by shares | Dissolved |
| China Environmental Funds Limited | Private company limited by shares | Live |
| CHINA ENVIRONMENTAL INVEST GROUP LIMITED | Private company limited by shares | Live |
| China Environmental Investment Group Limited | Private company limited by shares | Live |
| China Environmental Investment (HK) Limited | Private company limited by shares | Live |
| ECO Environmental Investments (China) Limited | Private company limited by shares | Live Ceased dormancy on 26-Nov-2009 |
| CHINA ENVIRONMENTAL INVESTMENTS LIMITED | Private company limited by shares | Live |
| KINGSFORD ENVIRONMENTAL (CHINA) LIMITED | Private company limited by shares | Live |
| CHINA ENVIRONMENTAL RECYCLINGS LIMITED | Private company limited by shares | Live |
| CHINA ENVIRONMENTAL RESOURCES LIMITED | Private company limited by shares | Live |
| CHINA ENVIRONMENTAL SOLUTIONS LIMITED | Private company limited by shares | Live |
| ENVIRONMENTAL SOLUTIONS CHINA LIMITED | Private company limited by shares | Live |
| China Environmental Utilities Group Co., Limited | Private company limited by shares | Live |
| CHINACAN ENVIRONMENTAL CORPORATION LIMITED | Private company limited by shares | Dissolved |
| KIT CHING ENVIRONMENTAL COMPANY LIMITED | Private company limited by shares | Live |
| LONG YAT CHING SUN ENVIRONMENTAL LIMITED | Private company limited by shares | Live |
| CHING WAH ENVIRONMENTAL RESOURCES (HK) LIMITED | Private company limited by shares | Live |
| SIU CHUNG NGOK ENVIRONMENTAL LIMITED | Private company limited by shares | Live |
| CHURGYI ENVIRONMENTAL TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| CIAM Environmental Investments Limited | Private company limited by shares | Live |
| CIRCLE ENVIRONMENTAL ENGINEERING COMPANY LIMITED | Private company limited by shares | Dissolved |
| ENVIRONMENTAL CITY LIMITED | Private company limited by shares | Live |
| ENVIRONMENTAL CITY LIMITED | Private company limited by shares | Live |
| YUE FAT ENVIRONMENTAL CLEANING COMPANY LIMITED | Private company limited by shares | Live |
| TOP ONE CLEANING & ENVIRONMENTAL LIMITED | Private company limited by shares | Live |
| ENVIRONMENTAL CLEANING COMPANY LIMITED | Private company limited by shares | Dissolved |
| WAI YIP ENVIRONMENTAL CLEANING COMPANY LIMITED | Private company limited by shares | Dissolved |
| FAI KEE ENVIRONMENTAL CLEANING LIMITED | Private company limited by shares | Live |
| ENVIRONMENTAL CLEANING COMPANY LIMITED | Private company limited by shares | Live |
| HOP LIK ENVIRONMENTAL CLEANING SERVICE LIMITED | Private company limited by shares | Live |
| Tak Kee Environmental Cleaning Service Limited | Private company limited by shares | Live |
| SAN FAI ENVIRONMENTAL CLEANING SERVICE LIMITED | Private company limited by shares | Live |
| CLEARWATER ENVIRONMENTAL LIMITED | Private company limited by shares | Dissolved |
| First Climate Environmental Investment Limited | Private company limited by shares | Live |
| BRICKWALL ENVIRONMENTAL CO., LIMITED | | Live |
| CLEAN ENVIRONMENTAL AND TRADE CO., LIMITED | Private company limited by shares | Live |
| People's Environmental Cleaning Co., Limited | Private company limited by shares | Live |
| ASIA ENVIRONMENTAL FORUM CO., LIMITED | Private company limited by shares | Dissolved |
| Fourd Environmental HK Co., Limited | Private company limited by shares | Live |
| BOSSCO ENVIRONMENTAL INVESTMENT CO., LIMITED | Private company limited by shares | Live |
| 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 |