| 1 (74) | Carnegie Institution for Science * | USA |  |
| 2 (88) | Simons Foundation | USA | |
| 3 (102) | Kavli Institute for Particle Astrophysics and Cosmology | USA | |
| 4 (122) | Institute for Advanced Study | USA | |
| 5 (166) | Southwest Research Institute | USA | |
| 6 (182) | Universities Space Research Association | USA | |
| 7 (198) | Las Cumbres Observatory Global Telescope Network | USA | |
| 8 (251) | SETI Institute | USA | |
| 9 (257) | American Institute of Aeronautics and Astronautics | USA | |
| 10 (272) | Perimeter Institute for Theoretical Physics | CAN | |
| 11 (308) | Gemini Observatory | USA | |
| 12 (325) | Gemini Observatory Northern Operations Center | USA | |
| 13 (341) | University Corporation for Atmospheric Research | USA | |
| 14 (342) | Space Science Institute | USA | |
| 15 (401) | Planetary Science Institute | USA | |
| 16 (423) | Woods Hole Oceanographic Institution | USA | |
| 17 (428) | Lowell Observatory | USA | |
| 18 (497) | National Institute of Aerospace | USA | |
| 19 (608) | SRI International | USA | |
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