| 1 (231) | National Bureau of Economic Research | USA |  |
| 2 (256) | American Institute of Aeronautics and Astronautics | USA | |
| 3 (467) | Kavli Institute for Particle Astrophysics and Cosmology | USA | |
| 4 (485) | Carnegie Institution for Science | USA | |
| 5 (505) | Institute for Advanced Study | USA | |
| 6 (571) | Boyce Thompson Institute for Plant Research | USA | |
| 7 (706) | Santa Fe Institute | USA | |
| 8 (772) | The EARLY Program Mind Research Network | USA | |
| 9 (829) | Woods Hole Oceanographic Institution | USA | |
| 10 (835) | Regenstrief Institute | USA | |
| 11 (864) | RAND Corporation | USA | |
| 12 (980) | SETI Institute | USA | |
| 13 (1121) | SRI International | USA | |
| 14 (1257) | Marine Biological Laboratory | USA | |
| 15 (1317) | Donald Danforth Plant Science Center | USA | |
| 16 (1448) | Planetary Science Institute | USA | |
| 17 (1540) | Wildlife Conservation Society USA | USA | |
| 18 (1702) | International Monetary Fund | USA | |
| 19 (2168) | Universities Space Research Association | USA | |
| 20 (2247) | Desert Research Institute, Reno | USA | |
| 21 (2699) | National Institute of Aerospace | USA | |
| 22 (2804) | Louisiana State University Agricultural Center | USA | |
| 23 (2983) | Southwest Research Institute | USA | |
| 24 (3701) | Battelle Memorial Institute | USA | |
| 25 (3882) | California Academy of Sciences | USA | |
| 26 (4398) | Electric Power Research Institute | USA | |
| 27 (5074) | American Geophysical Union | USA | |
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