| 1 (1720) | Institute of Organic Chemistry with Centre of Phytochemistry Bulgarian Academy of Sciences | BGR |  |
| 2 (3300) | Academician Emil Djakov Institute of Electronics Bulgarian Academy of Sciences | BGR | |
| 3 (4575) | Bulgarian Academy of Sciences * | BGR | |
| 4 (5806) | Institute for Nuclear Research and Nuclear Energy Bulgarian Academy of Sciences | BGR | |
| 5 (6008) | Institute of General and Inorganic Chemistry Bulgarian Academy of Sciences | BGR | |
| 6 (6168) | Institute of Information and Communication Technologies Bulgarian Academy of Sciences | BGR | |
| 7 (6587) | Institute of Biodiversity and Ecosystems Research Bulgarian Academy of Sciences | BGR | |
| 7 (6587) | Institute of Mathematics and Informatics Bulgarian Academy of Sciences | BGR | |
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