| 1 (84) | Carnegie Institution for Science * | USA |  |
| 2 (92) | Canadian Institute for Advanced Research | CAN | |
| 3 (112) | Simons Foundation | USA | |
| 4 (129) | Observatorio Europeo Austral * | CHL | |
| 5 (146) | Kavli Institute for Particle Astrophysics and Cosmology | USA | |
| 6 (182) | Southwest Research Institute | USA | |
| 7 (196) | Institute for Advanced Study | USA | |
| 8 (217) | Universities Space Research Association | USA | |
| 9 (309) | SETI Institute | USA | |
| 10 (317) | Woods Hole Oceanographic Institution | USA | |
| 11 (392) | Planetary Science Institute | USA | |
| 12 (423) | University Corporation for Atmospheric Research | USA | |
| 13 (481) | Space Science Institute | USA | |
| 14 (593) | Perimeter Institute for Theoretical Physics | CAN | |
| 15 (665) | Frankfurt Institute for Advanced Studies | DEU | |
| 16 (682) | Dublin Institute For Advanced Studies | IRL | |
| 17 (714) | Lowell Observatory | USA | |
| 18 (1117) | SRI International | USA | |
| 19 (1119) | Museum fur Naturkunde Berlin | DEU | |
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