| 1 (23) | State Grid Corporation of China * | CHN |  | |
| 2 (174) | China Electric Power Research Institute | CHN | | |
| 3 (183) | China Petroleum and Chemical Corporation * | CHN | | |
| 4 (314) | China National Petroleum Corp * | CHN | | |
| 5 (378) | PetroChina Co Ltd | CHN | | |
| 6 (497) | China Southern Power Grid Co Ltd * | CHN | | |
| 7 (544) | China Railway Engineering Corp * | CHN | | |
| 8 (563) | China Railway Group Ltd | CHN | | |
| 9 (589) | China Railway Eryuan Engineering Group Co Ltd | CHN | | |
| 10 (616) | China National Offshore Oil Corp * | CHN | |
