Class A units:
China Academy of Environmental Sciences
China-Japan Friendship Environmental Protection Center
China Academy of Meteorological Sciences
China Agricultural University
China Academy of Forestry
China Academy of Sciences, Eco-Environmental Research Center
Chinese Space Architectural Design and Research Institute
China Huanqiu Engineering Corporation
China Petroleum & Chemical Corporation Beijing Research Institute of Chemical Engineering
Beijing Geological Engineering Survey Institute
China Hydroelectric Power Consultants Limited
People's Liberation Army Naval Nuclear and Chemical Research Institute
China Coal International Engineering Group Beijing Huayu Engineering Co.
Beijing Yongxin Environmental Protection Co.
China National Petroleum Corporation Engineering Design Co.
Beijing Xin Guo Huan Environmental Technology Development Co.
Liberal People's Liberation Army Research Center for Environmental Science
Beijing Geological Research Institute of Nuclear Industry
Central African Geological Engineering Research Institute
Central Metallurgical Group Architectural Research Institute
Ministry of Communications Environmental Protection Center
Petroleum University
China Nonferrous Engineering Design and Research Institute
Beijing Normal University
Peking University
Beijing Zhongbei Environmental Science and Technology Development Company
China National Offshore Petroleum Engineering and Design Company
China Academy of Aviation Industry Planning and Design Institute
China Atomic Energy Research Institute
China Light Industry Council Environmental Protection Research Institute
China Academy of Launch Vehicle Technology
Chinese Meat and Food Comprehensive Research Center
Level B Units:
Beijing Guozhiguang Environmental Engineering Limited Company
Zhongguo Green Industrial Co. Beijing Radiation Environment Management Center
Beijing Science and Technology Collaboration Center
Beijing Research Institute of Mechanical and Electrical
Beijing Lunda Xingye Science and Technology Development Co. Institute of Environmental Hygiene and Sanitation, Chinese Academy of Preventive Medical Sciences
Chinese Academy of Electronic Engineering Design Institute
People's Liberation Army Academy of Military Medical Sciences