| 1 (2049) | Bulgarian Academy of Sciences * | BGR | |
| 2 (3585) | Medical University of Sofia * | BGR | |
| 3 (3827) | Sofia University | BGR | |
| 4 (3944) | Institute for Nuclear Research and Nuclear Energy Bulgarian Academy of Sciences | BGR | |
| 5 (4299) | Institute of Organic Chemistry with Centre of Phytochemistry Bulgarian Academy of Sciences | BGR | |
| 6 (4485) | Medical University - Plovdiv | BGR | |
| 7 (4753) | Trakia University | BGR | |
| 8 (4978) | University of Plovdiv Paisii Hilendarski | BGR | |
| 9 (5126) | University of Food Technologies, Plovdiv | BGR | |
| 10 (5168) | University of Chemical Technology and Metallurgy | BGR | |
| 11 (5615) | University of Forestry Sofia | BGR | |
| 12 (5962) | Institute of Biodiversity and Ecosystems Research Bulgarian Academy of Sciences | BGR | |
| 13 (6125) | Institute of General and Inorganic Chemistry Bulgarian Academy of Sciences | BGR | |
| 14 (6175) | Georgi Nadjakov Institute of Solid State Physic Bulgarian Academy of Sciences | BGR | |
| 15 (6457) | Institute of Mathematics and Informatics Bulgarian Academy of Sciences | BGR | |
| 16 (6600) | Institute of Mechanics Bulgarian Academy of Sciences | BGR | |
| 17 (6790) | Academician Emil Djakov Institute of Electronics Bulgarian Academy of Sciences | BGR | |
| 18 (6812) | Technical University of Sofia | BGR | |
| 19 (6905) | University Prof. Dr. Assen Zlatarov | BGR | |
| 20 (6907) | South West University Neofit Rilski | BGR | |
| 21 (7071) | Institute of Information and Communication Technologies Bulgarian Academy of Sciences | BGR | |
| 22 (7184) | University of Rousse | BGR | |
| 23 (7303) | Technical University of Varna | BGR | |
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