| 1 (18) | State Grid Corporation of China * | CHN |  |
| 2 (23) | China National Petroleum Corp * | CHN | |
| 3 (34) | PetroChina Co Ltd | CHN | |
| 4 (56) | China Petroleum and Chemical Corporation * | CHN | |
| 5 (96) | China Southern Power Grid Co Ltd * | CHN | |
| 6 (151) | State Grid Zhejiang Electric Power Co | CHN | |
| 7 (168) | Guangdong Power Grid Co Ltd | CHN | |
| 8 (171) | State Grid Shandong Electric Power Co | CHN | |
| 9 (222) | General Research Institute for Nonferrous Metals * | CHN | |
| 10 (245) | China Electronics Technology Group Corp | CHN | |
| 11 (300) | China Electric Power Research Institute | CHN | |
| 12 (311) | China National Offshore Oil Corp * | CHN | |
| 13 (342) | State Grid Hunan Electric Power Corp | CHN | |
| 14 (356) | State Grid Shandong Electric Power Research Institute | CHN | |
| 15 (361) | Jiangsu Electric Power Company | CHN | |
| 16 (376) | Beijing Academy of Agriculture and Forestry Sciences | CHN | |
| 17 (378) | China Railway Engineering Corp * | CHN | |
| 18 (401) | China Railway Group Ltd | CHN | |
| 19 (407) | Henan Electric Power Corporation | CHN | |
| 20 (426) | State Grid Tianjin Electric Power Co | CHN | |
| 21 (431) | Daqing Oilfield Co Ltd, CN | CHN | |
| 22 (437) | China Railway Eryuan Engineering Group Co Ltd | CHN | |
| 23 (443) | State Grid Energy Research Institute | CHN | |
| 24 (448) | State Grid Electric Power Research Institute, Nanjing | CHN | |
| 25 (453) | State Grid Gansu Electric Power Co | CHN | |
| 26 (464) | State Grid Fujian Electric Power Co Ltd | CHN | |
| 27 (474) | China Coal Research Institute | CHN | |
| 28 (525) | Wuhan Textile University | CHN | |
| 29 (594) | Beijing Institute of Aeronautical Materials | CHN | |
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