| 1 (20) | State Grid Corporation of China * | CHN |  |
| 2 (26) | China National Petroleum Corp * | CHN | |
| 3 (46) | PetroChina Co Ltd | CHN | |
| 4 (77) | China Petroleum and Chemical Corporation * | CHN | |
| 5 (158) | General Research Institute for Nonferrous Metals * | CHN | |
| 6 (163) | China Southern Power Grid Co Ltd * | CHN | |
| 7 (194) | State Grid Shandong Electric Power Co | CHN | |
| 8 (252) | Guangdong Power Grid Co Ltd | CHN | |
| 9 (293) | China Electronics Technology Group Corp | CHN | |
| 10 (301) | State Grid Zhejiang Electric Power Co | CHN | |
| 11 (330) | State Grid Shandong Electric Power Research Institute | CHN | |
| 12 (387) | China Electric Power Research Institute | CHN | |
| 13 (393) | China National Offshore Oil Corp * | CHN | |
| 14 (424) | Beijing Academy of Agriculture and Forestry Sciences | CHN | |
| 15 (455) | State Grid Energy Research Institute | CHN | |
| 16 (456) | Jiangsu Electric Power Company | CHN | |
| 17 (493) | State Grid Hunan Electric Power Corp | CHN | |
| 18 (506) | Shanghai Municipal Electric Power Company | CHN | |
| 19 (514) | State Grid Tianjin Electric Power Co | CHN | |
| 20 (518) | China Railway Engineering Corp * | CHN | |
| 21 (532) | State Grid Fujian Electric Power Co Ltd | CHN | |
| 22 (535) | China Railway Group Ltd | CHN | |
| 23 (540) | China Coal Research Institute | CHN | |
| 24 (548) | State Grid Electric Power Research Institute, Nanjing | CHN | |
| 25 (566) | China Railway Eryuan Engineering Group Co Ltd | CHN | |
| 26 (570) | Daqing Oilfield Co Ltd, CN | CHN | |
| 27 (609) | Wuhan Textile University | CHN | |
| 28 (646) | Beijing Institute of Aeronautical Materials | CHN | |
| 29 (669) | China Nuclear Power Engineering Co | CHN | |
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