| 1 (990) | Bulgarian Academy of Sciences * | BGR |  |
| 2 (2388) | Institute for Nuclear Research and Nuclear Energy Bulgarian Academy of Sciences | BGR | |
| 3 (3181) | Sofia University | BGR |  |
| 4 (3366) | Trakia University | BGR | |
| 5 (3446) | Institute of Biodiversity and Ecosystems Research Bulgarian Academy of Sciences | BGR | |
| 6 (3932) | University of Plovdiv Paisii Hilendarski | BGR | |
| 7 (4218) | University of Chemical Technology and Metallurgy | BGR | |
| 8 (4434) | Georgi Nadjakov Institute of Solid State Physic Bulgarian Academy of Sciences | BGR | |
| 9 (4534) | Medical University of Sofia * | BGR | |
| 10 (4617) | University of Forestry Sofia | BGR | |
| 11 (4760) | University of Food Technologies, Plovdiv | BGR | |
| 12 (4829) | Institute of Mathematics and Informatics Bulgarian Academy of Sciences | BGR | |
| 13 (5198) | Institute of Organic Chemistry with Centre of Phytochemistry Bulgarian Academy of Sciences | BGR | |
| 14 (5218) | Medical University - Plovdiv | BGR | |
| 15 (5324) | Institute of Mechanics Bulgarian Academy of Sciences | BGR | |
| 16 (5984) | Institute of General and Inorganic Chemistry Bulgarian Academy of Sciences | BGR | |
| 17 (6208) | South West University Neofit Rilski | BGR | |
| 18 (6222) | Academician Emil Djakov Institute of Electronics Bulgarian Academy of Sciences | BGR | |
| 19 (6274) | Technical University of Sofia | BGR | |
| 20 (6674) | University of Rousse | BGR | |
| 21 (6740) | Institute of Information and Communication Technologies Bulgarian Academy of Sciences | BGR | |
| 22 (6969) | Technical University of Varna | BGR | |
| 23 (7327) | University Prof. Dr. Assen Zlatarov | BGR | |
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