| PPC ENVIRONMENTAL LIMITED | Private company limited by shares | Live |
| KAI MEI ENVIRONMENTAL COMPANY LIMITED | Private company limited by shares | Live |
| SA (ENVIRONMENTAL) LIMITED | Private company limited by shares | Dissolved |
| SUN YAT DAY ENVIRONMENTAL COMPANY LIMITED | Private company limited by shares | Dissolved |
| AWA ENVIRONMENTAL COMPANY LIMITED | Private company limited by shares | Dissolved |
| A C ENVIRONMENTAL LIMITED | Private company limited by shares | Live |
| P L Environmental Limited | Private company limited by shares | Live |
| TAT KEE ENVIRONMENTAL LIMITED | Private company limited by shares | Live |
| WAI MAN ENVIRONMENTAL LIMITED | Private company limited by shares | Live |
| ALS Environmental Pty Limited | Private company limited by shares | Live |
| MAX ENVIRONMENTAL LIMITED | Private company limited by shares | Live |
| HY ENVIRONMENTAL LIMITED | Private company limited by shares | Live |
| N&G ENVIRONMENTAL HK LIMITED | Private company limited by shares | Live |
| MCC Environmental Limited | Private company limited by shares | Live |
| KT ENVIRONMENTAL COMPANY LIMITED | Private company limited by shares | Live |
| New Environmental Limited | Private company limited by shares | Live |
| WAH TAI ENVIRONMENTAL LIMITED | Private company limited by shares | Live |
| YUN KIN ENVIRONMENTAL LIMITED | Private company limited by shares | Live |
| CF ENVIRONMENTAL LIMITED | Private company limited by shares | Live |
| TTC Environmental Limited | Private company limited by shares | Live |
| SL ENVIRONMENTAL LIMITED | Private company limited by shares | Live |
| 1314 Environmental Limited | Private company limited by shares | Live |
| Acacia Environmental Solutions Limited | Private company limited by shares | Live |
| ACEWELL ENVIRONMENTAL EQUIPMENT SUPPLIES LIMITED | Private company limited by shares | Dissolved |
| ACEWELL ENVIRONMENTAL TECHNOLOGY CO., LIMITED | Private company limited by shares | Dissolved |
| Advanced Environmental International Limited | | Live |
| ADVENT POWER & ENVIRONMENTAL LIMITED | Private company limited by shares | Live |
| ASIAN ENVIRONMENTAL MINERALS (AEM) LIMITED | Private company limited by shares | Live |
| HK AERBISHAN ENVIRONMENTAL PROTECTION TECHNOLOGY LIMITED | Private company limited by shares | Live |
| HK Innovated Environmental Agriculture and Fisheries Association Limited -The- | Company limited by guarantee | Live |
| HK AILISHENG ENVIRONMENTAL TECHNOLOGY SHARES LIMITED | Private company limited by shares | Live |
| ALLIANCE ENVIRONMENTAL TECHNOLOGY LIMITED | Private company limited by shares | Live |
| ALLIED ENVIRONMENTAL LIMITED | Private company limited by shares | Live |
| ALLIED ENVIRONMENTAL CONSULTANTS LIMITED | Private company limited by shares | Live |
| ALLIED ENVIRONMENTAL PROTECTION LIMITED | Private company limited by shares | Dissolved |
| ALTOR ENVIRONMENTAL COMPANY LIMITED | Private company limited by shares | Dissolved |
| AMAZING ENVIRONMENTAL TECHNOLOGY LIMITED | Private company limited by shares | Live |
| AMERICA EJU ENVIRONMENTAL PROTECTION INTERNATIONAL GROUP LIMITED | Private company limited by shares | Dissolved |
| NORTH AMERICA UVD ENVIRONMENTAL INVESTMENT LIMITED | Private company limited by shares | Live |
| CHINA AMERICAN ENVIRONMENTAL RESOURCES TECHNOLOGY COMPANY LIMITED | Private company limited by shares | Live |
| AMERICAN ENVIRONMENTAL TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| American Vortopt Environmental Systems Limited | | Live |
| AMERTRACK ENVIRONMENTAL (HK) LIMITED | Private company limited by shares | Live |
| HK ANNAIJI ENVIRONMENTAL ART LIMITED | Private company limited by shares | Live |
| AQUAGENA ENVIRONMENTAL EQUIPMENT (HK) LIMITED | Private company limited by shares | Live |
| ASHDOWN ENVIRONMENTAL (ASIA) LIMITED | Private company limited by shares | Dissolved |
| ASIA ENVIRONMENTAL LIMITED | Private company limited by shares | Dissolved |
| WSP ENVIRONMENTAL ASIA LIMITED | Private company limited by shares | Live |
| ADVANCED ENVIRONMENTAL ASIA COMPANY LIMITED | Private company limited by shares | Dissolved |
| PWT ENVIRONMENTAL CONSULTANCY ASIA LIMITED | Private company limited by shares | Live |
| ENVIRONMENTAL DISTRIBUTORS ASIA LIMITED | Private company limited by shares | Dissolved |
| En-Tech (Asia) Environmental Limited | Private company limited by shares | Live |
| ASIA ENVIRONMENTAL FOUNDATION LIMITED | Company limited by guarantee | Live |
| SIMPSON ENVIRONMENTAL CORPORATION (ASIA) LIMITED | Private company limited by shares | Dissolved |
| GEM ASIAN ENVIRONMENTAL COMPANY LIMITED | Private company limited by shares | Dissolved |
| ASKA ENVIRONMENTAL SYSTEM LIMITED | Private company limited by shares | Live |
| ASIACHEM ENVIRONMENTAL ASSESSMENT CO., LIMITED | Private company limited by shares | Live |
| Associated Environmental Systems Limited | Private company limited by shares | Live |
| ENVIRONMENTAL ASSOCIATES LIMITED | Private company limited by shares | Live |
| Environmental Association Limited | Company limited by guarantee | Live |
| Asia Environmental Citizenship Association Limited | Company limited by guarantee | Live |
| HK AURORA ENVIRONMENTAL LIMITED | Private company limited by shares | Live |
| KINGSFORD ENVIRONMENTAL (AUSTRALIA) LIMITED | Private company limited by shares | Live |
| AUSTRALIA ENVIRONMENTAL PROTECTION TECHNOLOGY (CHINA) PTY LIMITED | Private company limited by shares | Dissolved |
| AUTHENTIC ENVIRONMENTAL LIMITED | Private company limited by shares | Dissolved |
| Auya Environmental Friendly Limited | Private company limited by shares | Live |
| AVIT Environmental Technology Limited | | Live |
| AYURVEDA ENVIRONMENTAL BIOTECH LIMITED | Private company limited by shares | Live |
| GREEN BASE ENVIRONMENTAL CONSULTANT LIMITED | Private company limited by shares | Dissolved |
| LE BEAUTE' ENVIRONMENTAL PROTECTION LIMITED | Private company limited by shares | Dissolved |
| BEAUTY ENVIRONMENTAL ENGINEER COMPANY LIMITED | Private company limited by shares | Dissolved |
| BEITOU XINYUAN ENVIRONMENTAL TECHNOLOGY LIMITED | Private company limited by shares | Live |
| Ningbo Belito Environmental Technology Co., Limited | Private company limited by shares | Live |
| BEST ENVIRONMENTAL LIMITED | Private company limited by shares | Dissolved |
| BESTSKILL ENVIRONMENTAL BIOTECH LIMITED | Private company limited by shares | Dissolved |
| Beta Stone Environmental Technologies Co. Limited | | Live |
| Betty Cleaning Environmental Limited | | Live |
| Biohap Environmental Company Limited | Private company limited by shares | Live |
| BIOLAND ENVIRONMENTAL TECHNOLOGIES GROUP CO., LIMITED | Private company limited by shares | Live |
| BIOPACK ENVIRONMENTAL LIMITED | Private company limited by shares | Live |
| BISAGNI ENVIRONMENTAL ENTERPRISE INCORPORATED LIMITED | Private company limited by shares | Live |
| BLUETECH ENVIRONMENTAL (HK) COMPANY LIMITED | Private company limited by shares | Live |
| Bopulse Environmental Protection Company Limited | Private company limited by shares | Live |
| Hk Boya Environmental Protection Technology Limited | Private company limited by shares | Live |
| ENVIRONMENTAL BRICK FACTORY (HONG KONG) LIMITED | Private company limited by shares | Live |
| BRIGHT ENVIRONMENTAL LIMITED | Private company limited by shares | Live |
| SOUTH BRIGHT ENVIRONMENTAL PROTECTION INVESTMENT LIMITED | Private company limited by shares | Live |
| BRIGHT ENVIRONMENTAL TECHNOLOGY LIMITED | Private company limited by shares | Live |
| Bear Bright Environmental Technology Co. Limited | Private company limited by shares | Live |
| Broaden Environmental Solution Limited | Private company limited by shares | Dissolved |
| i Build Environmental Consultancy Limited | | Live |
| CALCIOR ENVIRONMENTAL LIMITED | Private company limited by shares | Live |
| CALFARME ENVIRONMENTAL SUPPLY LIMITED | Private company limited by shares | Live |
| Cambridge Environmental Solutions Limited | Private company limited by shares | Live |
| San Campora Environmental Inv. Group Limited | Private company limited by shares | Live |
| Canvest Environmental International Limited | Private company limited by shares | Live |
| Canvest Environmental (Shanghai) Company Limited | Private company limited by shares | Live |
| Gai Ngai Environmental Care Limited | Private company limited by shares | Live |
| RE-GREEN ENVIRONMENTAL CATERING PRODUCTS COMPANY LIMITED | Private company limited by shares | Dissolved |
| CATERLY ENVIRONMENTAL PROTECTION TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |