| 1 (108) | National Bureau of Economic Research | USA |  |
| 2 (207) | Woods Hole Oceanographic Institution | USA | |
| 3 (451) | SETI Institute | USA | |
| 4 (494) | Marine Biological Laboratory | USA | |
| 5 (522) | Space Science Institute | USA | |
| 6 (594) | Desert Research Institute, Reno | USA | |
| 7 (808) | Carnegie Institution for Science | USA | |
| 8 (869) | Universities Space Research Association | USA | |
| 9 (889) | SRI International | USA | |
| 10 (940) | RAND Corp | USA | |
| 11 (1013) | Bill and Melinda Gates Foundation | USA | |
| 11 (1013) | Louisiana State University Agricultural Center | USA | |
| 13 (1064) | Institute for Advanced Study | USA | |
| 14 (1098) | Wildlife Conservation Society USA | USA | |
| 15 (1614) | International Monetary Fund | USA | |
| 15 (1614) | Monterey Bay Aquarium Research Institute | USA | |
| 15 (1614) | Planetary Science Institute | USA | |
| 18 (1667) | Santa Fe Institute | USA | |
| 19 (1895) | Southwest Research Institute | USA | |
| 20 (2492) | Battelle Memorial Institute | USA | |
| 21 (2805) | Electric Power Research Institute | USA | |
| 22 (3522) | California Academy of Sciences | USA | |
| 23 (4256) | Boyce Thompson Institute for Plant Research | USA | |
| 23 (4256) | Donald Danforth Plant Science Center | USA | |
| 23 (4256) | Educational Testing Service | USA | |
| 23 (4256) | Kavli Institute for Particle Astrophysics and Cosmology | USA | |
| 23 (4256) | Regenstrief Institute | USA | |
| 23 (4256) | The EARLY Program Mind Research Network | USA | |
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