| 1 (341) | National Bureau of Economic Research | USA |  |
| 2 (629) | Carnegie Institution for Science | USA | |
| 3 (716) | Institute for Advanced Study | USA | |
| 4 (860) | Kavli Institute for Particle Astrophysics and Cosmology | USA | |
| 5 (952) | Boyce Thompson Institute for Plant Research | USA | |
| 6 (961) | Woods Hole Oceanographic Institution | USA | |
| 7 (1032) | RAND Corp | USA | |
| 8 (1277) | The EARLY Program Mind Research Network | USA | |
| 9 (1354) | SRI International | USA | |
| 10 (1462) | Regenstrief Institute | USA | |
| 11 (1507) | Santa Fe Institute | USA | |
| 12 (1638) | Donald Danforth Plant Science Center | USA | |
| 13 (1661) | SETI Institute | USA | |
| 14 (1706) | Marine Biological Laboratory | USA | |
| 15 (1717) | Wildlife Conservation Society USA | USA | |
| 16 (1894) | Universities Space Research Association | USA | |
| 17 (2140) | Bill and Melinda Gates Foundation | USA | |
| 18 (2185) | Educational Testing Service | USA | |
| 18 (2185) | Space Science Institute | USA | |
| 20 (2226) | Planetary Science Institute | USA | |
| 21 (2242) | Monterey Bay Aquarium Research Institute | USA | |
| 22 (2250) | International Monetary Fund | USA | |
| 23 (2446) | Southwest Research Institute | USA | |
| 24 (2536) | Desert Research Institute, Reno | USA | |
| 25 (2819) | Louisiana State University Agricultural Center | USA | |
| 26 (3128) | Electric Power Research Institute | USA | |
| 27 (3602) | Battelle Memorial Institute | USA | |
| 28 (3708) | California Academy of Sciences | USA | |
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