| 1 (55) | State Grid Corporation of China * | CHN |  |
| 2 (159) | State Grid Zhejiang Electric Power Co | CHN | |
| 3 (253) | China Southern Power Grid Co Ltd * | CHN | |
| 4 (334) | China Petroleum and Chemical Corporation * | CHN | |
| 5 (381) | Jiangsu Electric Power Company | CHN | |
| 6 (416) | China National Petroleum Corp * | CHN | |
| 7 (491) | State Grid Electric Power Research Institute, Nanjing | CHN | |
| 8 (502) | China Electric Power Research Institute | CHN | |
| 9 (510) | Guangdong Power Grid Co Ltd | CHN | |
| 10 (519) | State Grid Shandong Electric Power Co | CHN | |
| 11 (546) | China Railway Engineering Corp * | CHN | |
| 12 (555) | China Railway Group Ltd | CHN | |
| 13 (573) | China Railway Eryuan Engineering Group Co Ltd | CHN | |
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