| 1 (192) | Canadian Institute for Advanced Research | CAN |  |
| 2 (301) | Institute for Advanced Study | USA | |
| 3 (345) | Simons Foundation | USA | |
| 4 (434) | Perimeter Institute for Theoretical Physics | CAN | |
| 5 (477) | Kavli Institute for Particle Astrophysics and Cosmology | USA | |
| 6 (680) | Carnegie Institution for Science * | USA | |
| 7 (979) | Universities Space Research Association | USA | |
| 8 (1596) | Woods Hole Oceanographic Institution | USA | |
| 9 (1653) | Santa Fe Institute | USA | |
| 10 (1777) | SETI Institute | USA | |
| 11 (1820) | Southwest Research Institute | USA | |
| 12 (1898) | Planetary Science Institute | USA | |
| 13 (2172) | Space Science Institute | USA | |
| 14 (2664) | Lowell Observatory | USA | |
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