| 1 (1217) | Bulgarian Academy of Sciences * | BGR |  |
| 2 (1279) | Institute of Organic Chemistry with Centre of Phytochemistry Bulgarian Academy of Sciences | BGR | |
| 3 (1335) | University of Food Technologies, Plovdiv | BGR |  |
| 4 (1434) | Agricultural University of Plovdiv | BGR | |
| 5 (1612) | Stephan Angeloff Institute of Microbiology Bulgarian Academy of Sciences | BGR | |
| 6 (1849) | Institute of Biodiversity and Ecosystems Research Bulgarian Academy of Sciences | BGR | |
| 7 (1962) | University of Plovdiv Paisii Hilendarski | BGR | |
| 8 (2027) | University of Forestry Sofia | BGR | |
| 9 (2041) | Sofia University | BGR | |
| 10 (2074) | Medical University of Varna Pof. Dr. Paraskev Stoyano | BGR | |
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