| 1 (536) | Bulgarian Academy of Sciences * | BGR |  |
| 2 (589) | University of Plovdiv Paisii Hilendarski | BGR |  |
| 3 (625) | Institute of Mathematics and Informatics Bulgarian Academy of Sciences | BGR | |
| 4 (660) | Institute of Mechanics Bulgarian Academy of Sciences | BGR | |
| 5 (672) | Sofia University | BGR | |
| 6 (683) | Technical University of Sofia | BGR | |
| 7 (720) | Institute of Information and Communication Technologies Bulgarian Academy of Sciences | BGR | |
| 8 (734) | Academician Emil Djakov Institute of Electronics Bulgarian Academy of Sciences | BGR | |
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