| 1 (1069) | University of Food Technologies, Plovdiv | BGR |  | |
| 2 (1224) | Bulgarian Academy of Sciences * | BGR |  | |
| 3 (1582) | Stephan Angeloff Institute of Microbiology Bulgarian Academy of Sciences | BGR | | |
| 4 (1824) | Institute of Biodiversity and Ecosystems Research Bulgarian Academy of Sciences | BGR | | |
| 5 (2074) | Sofia University | BGR | | |
| 6 (2135) | University of Plovdiv Paisii Hilendarski | BGR | | |
| 7 (2405) | University of Forestry Sofia | BGR | | |
| 8 (2617) | Medical University of Sofia * | BGR | |
