| 1 (416) | Institute of Organic Chemistry with Centre of Phytochemistry Bulgarian Academy of Sciences | BGR |  |
| 2 (462) | Medical University of Sofia * | BGR |  |
| 3 (470) | Academician Emil Djakov Institute of Electronics Bulgarian Academy of Sciences | BGR | |
| 4 (493) | Sofia University | BGR | |
| 5 (495) | Trakia University | BGR | |
| 6 (500) | Bulgarian Academy of Sciences * | BGR | |
| 7 (508) | University of Chemical Technology and Metallurgy | BGR | |
| 8 (512) | Medical University - Plovdiv | BGR | |
| 9 (513) | University of Plovdiv Paisii Hilendarski | BGR | |
| 10 (516) | Technical University of Sofia | BGR | |
| 10 (516) | South West University Neofit Rilski | BGR | |
| 11 (522) | Institute for Nuclear Research and Nuclear Energy Bulgarian Academy of Sciences | BGR | |
| 12 (525) | Institute of General and Inorganic Chemistry Bulgarian Academy of Sciences | BGR | |
| 13 (528) | Institute of Information and Communication Technologies Bulgarian Academy of Sciences | BGR | |
| 14 (540) | University of Rousse | BGR | |
| 14 (540) | Institute of Mathematics and Informatics Bulgarian Academy of Sciences | BGR | |
| 14 (540) | Technical University of Varna | BGR | |
| 14 (540) | Institute of Biodiversity and Ecosystems Research Bulgarian Academy of Sciences | BGR | |
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