| 1 (1134) | Bulgarian Academy of Sciences * | BGR |  |  |
| 2 (1677) | Sofia University | BGR |  | |
| 3 (3629) | Institute for Nuclear Research and Nuclear Energy Bulgarian Academy of Sciences | BGR | | |
| 4 (4018) | Medical University of Sofia * | BGR | | |
| 5 (4720) | University of Plovdiv Paisii Hilendarski | BGR | | |
| 6 (5529) | Technical University of Sofia | BGR | | |
| 7 (5659) | Medical University - Plovdiv | BGR | | |
| 8 (6645) | Institute of Mathematics and Informatics Bulgarian Academy of Sciences | BGR | | |
| 8 (6645) | Institute of Biodiversity and Ecosystems Research Bulgarian Academy of Sciences | BGR | |  |
| 10 (6747) | Trakia University | BGR | | |
| 11 (7138) | Medical University of Varna Pof. Dr. Paraskev Stoyano | BGR | | |
| 12 (7448) | University of Rousse | BGR | | |
| 12 (7448) | University of Chemical Technology and Metallurgy | BGR | | |
| 14 (7663) | University of Food Technologies, Plovdiv | BGR | | |
| 14 (7663) | South West University Neofit Rilski | BGR | |  |
| 16 (7739) | Institute of Organic Chemistry with Centre of Phytochemistry Bulgarian Academy of Sciences | BGR | | |
| 17 (7898) | University of National and World Economy | BGR | | |
| 18 (7965) | Medical University Hospital Alexandrovska | BGR |  | |
| 18 (7965) | Georgi Nadjakov Institute of Solid State Physic Bulgarian Academy of Sciences | BGR | | |
| 20 (8044) | University of Forestry Sofia | BGR | | |
| 20 (8044) | Institute of Biophysics and Biomedical Engineering Bulgarian Academy of Sciences | BGR | | |
| 22 (8113) | Technical University of Varna | BGR | | |
| 23 (8179) | Institute of Information and Communication Technologies Bulgarian Academy of Sciences | BGR | | |
| 23 (8179) | Institute of General and Inorganic Chemistry Bulgarian Academy of Sciences | BGR | | |
| 25 (8231) | Academician Emil Djakov Institute of Electronics Bulgarian Academy of Sciences | BGR | | |
| 25 (8231) | Agricultural University of Plovdiv | BGR | | |
| 25 (8231) | University Prof. Dr. Assen Zlatarov | BGR | |  |
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