| 1 (29) | Russian Academy of Sciences * | RUS |  |
| 2 (200) | Polish Academy of Sciences * | POL | |
| 3 (307) | Hungarian Academy of Sciences * | HUN | |
| 4 (383) | Academy of Sciences of the Czech Republic * | CZE | |
| 5 (422) | Space Research Institute Russian Academy of Sciences | RUS | |
| 6 (451) | Nicolaus Copernicus Astronomical Center Polish Academy of Sciences | POL | |
| 7 (482) | Research Centre for Astronomy and Earth Sciences Hungarian Academy of Sciences | HUN | |
| 8 (601) | Astronomical Institute of the ASCR | CZE | |
| 9 (637) | Konkoly Observatory Hungarian Academy of Sciences | HUN | |
| 10 (658) | Romanian Academy * | ROU | |
| 11 (667) | Henryk Niewodniczanski Institute of Nuclear Physics Polish Academy of Sciences | POL | |
| 12 (719) | P N Lebedev Physics Institute Russian Academy of Sciences | RUS | |
| 13 (901) | National Centre for Nuclear Research | POL | |
| 14 (916) | Ruder Boskovic Institute * | HRV | |
| 15 (922) | Horia Hulubei National Institute of Physics and Nuclear Engineering | ROU | |
| 16 (940) | Institute of Physics of the ASCR | CZE | |
| 17 (942) | National Academy of Sciences of Ukraine * | UKR | |
| 18 (1033) | Bulgarian Academy of Sciences * | BGR | |
| 19 (1096) | Special Astrophysical Observatory Russian Academy of Sciences | RUS | |
| 20 (1099) | Ioffe Institute Russian Academy of Sciences | RUS | |
| 21 (1116) | Institute of Atomic Physics * | ROU | |
| 22 (1122) | Institute of Astronomy Russian Academy of Sciences | RUS | |
| 23 (1127) | Institute of Solar-Terrestrial Physics Russian Academy of Sciences | RUS | |
| 24 (1129) | Space Research Centre Polish Academy of Sciences | POL | |
| 25 (1135) | Slovak Academy of Sciences * | SVK | |
| 26 (1159) | A.Alikhanyan National Laboratory | ARM | |
| 27 (1191) | Institute of Applied Physics Russian Academy of Sciences | RUS | |
| 28 (1197) | Institute of Nuclear Research Hungarian Academy of Sciences | HUN | |
| 29 (1202) | Russian Research Centre Kurchatov Institute | RUS | |
| 30 (1206) | Central Astronomical Observatory Russian Academy of Sciences | RUS | |
| 31 (1249) | Institute for Nuclear Research Russian Academy of Sciences | RUS | |
| 32 (1269) | Institute of Terrestrial Magnetism Ionosphere and Radiowave Propagation Russian Academy of Sciences | RUS | |
| 33 (1301) | Keldysh Institute for Applied Mathematics Russian Academy of Sciences | RUS | |
| 34 (1309) | National Academy of Sciences of Armenia * | ARM | |
| 34 (1309) | Wigner Research Centre for Physics | HUN | |
| 36 (1315) | Institute for Space Sciences | ROU | |
| 37 (1329) | United Schmidt Institute of Physics of the Earth Russian Academy of Sciences | RUS | |
| 38 (1348) | Kola Science Centre Russian Academy of Sciences | RUS | |
| 39 (1350) | O. Ya. Usikov Institute for Radio Physics and Electronics National Academy of Sciences of Ukraine | UKR | |
| 40 (1352) | Vernadsky Institute of Geochemistry and Analytical Chemistry Russian Academy of Sciences | RUS | |
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