| Best quartile | |||||
|---|---|---|---|---|---|
| 1 (100) | Exploration and Petroleum Engineering Advanced Research Center, SAU | SAU |  |  | |
| 2 (422) | Saudi Arabian Oil Co, Saudi Arabia | SAU | | | |
| 3 (1583) | Aselsan | TUR | | | |
| 4 (4164) | Abu Dhabi National Oil Co * | ARE | | | |
| 5 (5794) | Abu Dhabi Health Services Co * | ARE | |  | |
| 6 (6711) | Petroleum Development Oman LLC | OMN | | | |
| 7 (7453) | Kuwait Petroleum Corporation * | KWT | | | |
