| 1 (208) | Institute of Electrical and Electronics Engineers, USA | USA |  |
| 2 (329) | National Bureau of Economic Research | USA | |
| 3 (585) | Boyce Thompson Institute for Plant Research | USA | |
| 4 (619) | Carnegie Institution for Science * | USA | |
| 5 (665) | Kavli Institute for Particle Astrophysics and Cosmology | USA | |
| 6 (736) | Institute for Advanced Study | USA | |
| 7 (750) | The EARLY Program Mind Research Network | USA | |
| 8 (753) | UNICEF USA | USA | |
| 9 (773) | Donald Danforth Plant Science Center | USA | |
| 10 (814) | Marine Biological Laboratory | USA | |
| 11 (838) | Bill and Melinda Gates Foundation | USA | |
| 12 (930) | Santa Fe Institute | USA | |
| 13 (1037) | Woods Hole Oceanographic Institution | USA | |
| 14 (1111) | RAND Corp | USA | |
| 15 (1267) | Wildlife Conservation Society USA | USA | |
| 16 (1366) | Regenstrief Institute | USA | |
| 17 (1378) | Universities Space Research Association | USA | |
| 18 (1473) | SRI International | USA | |
| 19 (1657) | SETI Institute | USA | |
| 20 (2050) | California Academy of Sciences | USA | |
| 21 (2237) | Monterey Bay Aquarium Research Institute | USA | |
| 22 (2560) | Space Science Institute | USA | |
| 23 (2741) | Battelle Memorial Institute * | USA | |
| 24 (3162) | Desert Research Institute, Reno | USA | |
| 25 (3251) | National Institute of Aerospace | USA | |
| 26 (3404) | Planetary Science Institute | USA | |
| 27 (4092) | Southwest Research Institute | USA | |
| 28 (4133) | International Monetary Fund | USA | |
| 29 (4384) | Louisiana State University Agricultural Center | USA | |
| 30 (4421) | American Institute of Aeronautics and Astronautics | USA | |
| 31 (4670) | University Corporation for Atmospheric Research | USA | |
| 32 (5661) | Electric Power Research Institute | USA | |
| 33 (6096) | Educational Testing Service | USA | |
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