| 1 (194) | Woods Hole Oceanographic Institution | USA |  |
| 2 (245) | Santa Fe Institute | USA | |
| 3 (248) | Carnegie Institution for Science * | USA | |
| 4 (325) | Simons Foundation | USA | |
| 5 (356) | Universities Space Research Association | USA | |
| 6 (393) | Kavli Institute for Particle Astrophysics and Cosmology | USA | |
| 7 (476) | Institute for Advanced Study | USA | |
| 8 (622) | National Institute of Aerospace | USA | |
| 9 (629) | Monterey Bay Aquarium Research Institute | USA | |
| 10 (634) | Southwest Research Institute | USA | |
| 11 (727) | University Corporation for Atmospheric Research | USA | |
| 12 (771) | California Academy of Sciences | USA | |
| 13 (867) | SETI Institute | USA | |
| 14 (1005) | Planetary Science Institute | USA | |
| 15 (1084) | Wildlife Conservation Society USA | USA | |
| 16 (1141) | Space Science Institute | USA | |
| 17 (1508) | Lowell Observatory | USA | |
| 18 (1518) | Cary Institute of Ecosystem Studies | USA | |
| 19 (1612) | Desert Research Institute, Reno | USA | |
| 20 (1944) | Marine Biological Laboratory | USA | |
| 21 (2462) | Electric Power Research Institute | USA | |
| 22 (2649) | SRI International | USA | |
| 23 (3000) | Louisiana State University Agricultural Center | USA | |
| 24 (3014) | Battelle Memorial Institute * | USA | |
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