| 1 (18) | China National Offshore Oil Corp * | CHN |  | |
| 2 (51) | State Grid Corporation of China * | CHN | | |
| 3 (509) | China Petroleum and Chemical Corporation * | CHN | | |
| 4 (548) | Petrobras, Brazil | BRA | | |
| 5 (599) | Marine Design and Research Institute of China | CHN | | |
| 6 (615) | China National Petroleum Corp * | CHN | | |
| 7 (635) | Wuhan Textile University | CHN | | |
| 8 (719) | PowerChina Huadong Engineering Corp Ltd, China | CHN | | |
| 9 (747) | PetroChina Co Ltd | CHN | | |
| 10 (824) | China Three Gorges Corp | CHN | |
