1 (106) | Exploration and Petroleum Engineering Advanced Research Center, SAU | SAU | ||
2 (174) | Saudi Arabian Oil Co, Saudi Arabia | SAU | ||
3 (2054) | Abu Dhabi National Oil Co * | ARE | ||
4 (3196) | Petroleum Development Oman LLC | OMN | ||
5 (3488) | Kuwait Petroleum Corporation * | KWT | ||
6 (3763) | Aselsan | TUR | ||