| ENVIRONMENTAL PROTECTION TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| GE SHI LE ENVIRONMENTAL PROTECTION TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| SKY W ENVIRONMENTAL PROTECTION TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| HK JTC Environmental Protection Technology Co., Limited | | Live |
| HK DECHEN ENVIRONMENTAL PROTECTION TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| European Environmental Protection Technology Co., Limited | Private company limited by shares | Live |
| USA ADB ENVIRONMENTAL PROTECTION TECHNOLOGY (HK) CO., LIMITED | Private company limited by shares | Dissolved |
| Huaneng Environmental Protection Technology Co., Limited | Private company limited by shares | Live |
| Invensys Environmental Protection Technology Co., Limited | Private company limited by shares | Live |
| MingSheng Environmental Protection Technology Co., Limited | Private company limited by shares | Live |
| ENVIRONMENTAL PROTECTION TECHNOLOGY (GAOZHOU) LIMITED | Private company limited by shares | Live |
| HK HENGXIN ENVIRONMENTAL PROTECTION TECHNOLOGY LIMITED | Private company limited by shares | Live |
| HK HERITAGE ENVIRONMENTAL PROTECTION TECHNOLOGY LIMITED | Private company limited by shares | Live |
| Sun Hui Environmental Protection Technology (HK) Limited | | Live |
| HK HUAYUAN ENVIRONMENTAL PROTECTION TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| HUIMAO ENVIRONMENTAL PROTECTION & TECHNOLOGY (HK) LIMITED | | Live |
| HK Huixin Environmental Protection Technology Limited | Private company limited by shares | Live |
| JULU ENVIRONMENTAL PROTECTION TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| HK Juner Environmental Protection Technology Limited | Private company limited by shares | Live |
| HK KANGYOUJING ENVIRONMENTAL PROTECTION TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| HK LANDU LUBRICATION ENVIRONMENTAL PROTECTION TECHNOLOGY LIMITED | Private company limited by shares | Live |
| Lubin Environmental Protection Technology Co., Limited | | Live |
| MOTECH ENVIRONMENTAL PROTECTION TECHNOLOGY LIMITED | Private company limited by shares | Live |
| MYRON ENVIRONMENTAL PROTECTION TECHNOLOGY LIMITED | Private company limited by shares | Live |
| PENGWANSHENG ENVIRONMENTAL PROTECTION TECHNOLOGY LIMITED | Private company limited by shares | Live |
| HK QUANLAODA ENVIRONMENTAL PROTECTION TECHNOLOGY LIMITED | Private company limited by shares | Live |
| NEW TECHNOLOGY ENVIRONMENTAL PROTECTION REMAKE LIMITED | Private company limited by shares | Live |
| HEFEI RONGSHIDA ENVIRONMENTAL PROTECTION TECHNOLOGY LIMITED | Private company limited by shares | Live |
| HK Runfeng Environmental Protection Technology Limited | | Live |
| TAILI ENVIRONMENTAL PROTECTION TECHNOLOGY LIMITED | Private company limited by shares | Live |
| VICMET ENVIRONMENTAL PROTECTION TECHNOLOGY LIMITED | Private company limited by shares | Live |
| WOLINTE ENVIRONMENTAL PROTECTION TECHNOLOGY (BEIJING) LIMITED | Private company limited by shares | Live |
| HK Yingcai Environmental Protection Technology Limited | Private company limited by shares | Live |
| HK ZHONGXU ENVIRONMENTAL PROTECTION TECHNOLOGY LIMITED | | Live |
| CHINA ENVIRONMENTAL PROTECTION FUEL INTERNATIONAL TRADING INVESTMENTS LIMITED | Private company limited by shares | Live |
| C&G ENVIRONMENTAL PROTECTION TRANSPORT LIMITED | Private company limited by shares | Live |
| 3S Environmental Protection Transport Limited | | Live |
| TUNG TAK ENVIRONMENTAL PROTECTION LIMITED | Private company limited by shares | Live |
| HK SUN TUNG YUNG ENVIRONMENTAL PROTECTION INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| VERT ENVIRONMENTAL PROTECTION COMPANY LIMITED | Private company limited by shares | Dissolved |
| BEAUTY VISION HOP WAN KO ENVIRONMENTAL PROTECTION LIMITED | Private company limited by shares | Dissolved |
| WAHFUNG ENVIRONMENTAL PROTECTION COMPANY LIMITED | Private company limited by shares | Live |
| WOODLAND ENVIRONMENTAL PROTECTION LIMITED | Private company limited by shares | Live |
| ENVIRONMENTAL PROTECTION RESEARCH WORKSHOP LIMITED | Private company limited by shares | Dissolved |
| XINGUANGDA ENVIRONMENTAL PROTECTION LIMITED | Private company limited by shares | Live |
| Xinyi Environmental Protection Trade Limited | | Live |
| Yushun Environmental Protection S&T Co., Limited | Private company limited by shares | Live |
| Zhuang's Environmental Protection Company Limited | Private company limited by shares | Live |
| Puri Environmental Technologies Co., Limited | Private company limited by shares | Live |
| Qing Tong Environmental Education Foundation Limited | Company limited by guarantee | Dissolved |
| QUALITY & ENVIRONMENTAL CERTIFICATION LIMITED | Private company limited by shares | Dissolved |
| Rainier Environmental Consultants Limited | Private company limited by shares | Live |
| RECAN ENVIRONMENTAL LIMITED | Private company limited by shares | Dissolved |
| Rechange Environmental Technology Co., Limited | Private company limited by shares | Live |
| ENVIRONMENTAL PLASTIC RECOVERY COMPANY LIMITED | Private company limited by shares | Dissolved |
| ReCyc Environmental Limited | Private company limited by shares | Dissolved |
| TAI KEE ENVIRONMENTAL RECYCLING COMPANY LIMITED | Private company limited by shares | Dissolved |
| FAT KEE ENVIRONMENTAL RECYCLING COMPANY LIMITED | Private company limited by shares | Live |
| HIP WA ENVIRONMENTAL RECYCLING COMPANY LIMITED | Private company limited by shares | Dissolved |
| H2O & AU ENVIRONMENTAL RECYCLING COMPANY LIMITED | Private company limited by shares | Live |
| ONE ENVIRONMENTAL RECYCLING LIMITED -THE- | Private company limited by shares | Live |
| IWS OK Environmental Recycling Limited | Private company limited by shares | Dissolved |
| WAI FAT ENVIRONMENTAL RECYCLING COMPANY LIMITED | Private company limited by shares | Live |
| HIP WA ENVIRONMENTAL RECYCLING COMPANY LIMITED | Private company limited by shares | Live |
| Yiu Kee Environmental Recycling Limited | Private company limited by shares | Live |
| WAH PO ENVIRONMENTAL RECYCLING CO LIMITED | Private company limited by shares | Live |
| BEST ENVIRONMENTAL RECYCLING COMPANY LIMITED | | Live |
| CENTURY ENVIRONMENTAL RECYCLING LIMITED | Private company limited by shares | Dissolved |
| ENVIRONMENTAL RECYCLING ENTERPRISE LIMITED | Private company limited by shares | Dissolved |
| Green Environmental Recycling Limited | Private company limited by shares | Live |
| GREEN IDEA (ENVIRONMENTAL RECYCLING) LIMITED | Private company limited by shares | Live |
| Brilliance Group Environmental Recycling Limited | | Live |
| HING LEE ENVIRONMENTAL RECYCLING COMPANY LIMITED | Private company limited by shares | Live |
| ENVIRONMENTAL RECYCLING INVESTMENT (HK) LIMITED | Private company limited by shares | Dissolved |
| Wah Keung Environmental Recycling Limited | Private company limited by shares | Dissolved |
| HK Klos Environmental Recycling Limited | | Live |
| Kong Yin Environmental Recycling Limited | Private company limited by shares | Live |
| Lung Hei Environmental Recycling Limited | | Live |
| SUN MING ENVIRONMENTAL RECYCLING LIMITED | Private company limited by shares | Live |
| MING KEE ENVIRONMENTAL RECYCLING LIMITED | Private company limited by shares | Live |
| KAI MING ENVIRONMENTAL RECYCLING LIMITED | Private company limited by shares | Live |
| FEI TAT ENVIRONMENTAL RECYCLING RESOURCES LIMITED | Private company limited by shares | Live |
| New Star Environmental Recycling Company Limited | Private company limited by shares | Live |
| Eurolink Environmental Recycling Technology Co Limited | Private company limited by shares | Live |
| Hip Tong Environmental Recycling Limited | | Live |
| Tung Wo Environmental Recycling Company Limited | Private company limited by shares | Live |
| Well Sense Environmental Recycling Limited | Private company limited by shares | Live |
| ZHONGKE ENVIRONMENTAL RECYCLING LIMITED | Private company limited by shares | Live |
| REDLOG ENVIRONMENTAL LIMITED | Private company limited by shares | Live |
| ENVIRONMENTAL VEHICLE REPAIRERS ASSOCIATION LIMITED | Company limited by guarantee | Live |
| ENVIRONMENTAL RESOURCES LIMITED | Private company limited by shares | Dissolved |
| AEL ENVIRONMENTAL RESOURCES LIMITED | Private company limited by shares | Live |
| CP ENVIRONMENTAL RESOURCES LIMITED | Private company limited by shares | Dissolved |
| ENVIRONMENTAL RESOURCES CO. LIMITED | Private company limited by shares | Live |
| Pak Lam Environmental Resources Limited | Private company limited by shares | Live |
| GENERAL ENVIRONMENTAL RESOURCES LIMITED | Private company limited by shares | Dissolved |
| SUCCESS ENVIRONMENTAL RESOURCES LIMITED | Private company limited by shares | Dissolved |
| EASY RICHEST ENVIRONMENTAL LIMITED | Private company limited by shares | Dissolved |
| HK ROFEY ENVIRONMENTAL DESIGN CONSULTANT CO., LIMITED | Private company limited by shares | Dissolved |
| ROOTS ENVIRONMENTAL (HK) LIMITED | Private company limited by shares | Live |