| 1 (1797) | Agricultural Research Center Egypt | EGY |  |
| 2 (2492) | King Abdulaziz City for Science and Technology | SAU | |
| 3 (2942) | Kuwait Oil Company | KWT | |
| 4 (4256) | Atomic Energy Commission of Syria | SYR | |
| 4 (4256) | Central Metallurgical Research and Development Institute | EGY | |
| 4 (4256) | Centre National de l'Energie, des Sciences et des Techniques Nucleaires | MAR | |
| 4 (4256) | Egyptian Atomic Energy Authority | EGY | |
| 4 (4256) | Egyptian Petroleum Research Institute | EGY | |
| 4 (4256) | Kuwait Institute for Scientific Research | KWT | |
| 4 (4256) | National Research Centre | EGY | |
|
