| 1 (1134) | Bulgarian Academy of Sciences * | BGR | |
| 2 (3629) | Institute for Nuclear Research and Nuclear Energy Bulgarian Academy of Sciences | BGR | |
| 3 (6645) | Institute of Mathematics and Informatics Bulgarian Academy of Sciences | BGR | |
| 3 (6645) | Institute of Biodiversity and Ecosystems Research Bulgarian Academy of Sciences | BGR | |
| 5 (7739) | Institute of Organic Chemistry with Centre of Phytochemistry Bulgarian Academy of Sciences | BGR | |
| 6 (7965) | Georgi Nadjakov Institute of Solid State Physic Bulgarian Academy of Sciences | BGR | |
| 7 (8044) | Institute of Biophysics and Biomedical Engineering Bulgarian Academy of Sciences | BGR | |
| 8 (8179) | Institute of Information and Communication Technologies Bulgarian Academy of Sciences | BGR | |
| 8 (8179) | Institute of General and Inorganic Chemistry Bulgarian Academy of Sciences | BGR | |
| 10 (8231) | Academician Emil Djakov Institute of Electronics Bulgarian Academy of Sciences | BGR | |
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