| 1 (916) | National Bureau of Economic Research | USA |  |
| 2 (1010) | RAND Corp | USA | |
| 3 (1013) | International Monetary Fund | USA | |
| 4 (1134) | American Heart Association | USA | |
| 5 (1249) | Woods Hole Oceanographic Institution | USA | |
| 6 (1353) | Carnegie Institution for Science * | USA | |
| 7 (1710) | Bill and Melinda Gates Foundation | USA | |
| 8 (1755) | Educational Testing Service | USA | |
| 9 (1985) | University Corporation for Atmospheric Research | USA | |
| 9 (1985) | Simons Foundation | USA | |
| 11 (1995) | Universities Space Research Association | USA | |
| 12 (2114) | Perimeter Institute for Theoretical Physics | CAN | |
| 13 (2214) | Santa Fe Institute | USA | |
| 14 (2331) | Institute for Advanced Study | USA | |
| 15 (2378) | Wildlife Conservation Society USA | USA | |
| 16 (2422) | Southwest Research Institute | USA | |
| 17 (2480) | International Food Policy Research Institute United States | USA | |
| 18 (2763) | California Academy of Sciences | USA | |
| 19 (2790) | Canadian Institute for Advanced Research | CAN | |
| 20 (2832) | SETI Institute | USA | |
| 21 (2912) | United Nations International Children's Emergency Fund, United States | USA | |
| 22 (3072) | SRI International | USA | |
| 23 (3138) | Marine Biological Laboratory | USA | |
| 24 (3247) | Kavli Institute for Particle Astrophysics and Cosmology | USA | |
| 25 (3447) | Louisiana State University Agricultural Center | USA | |
| 26 (3629) | Planetary Science Institute | USA | |
| 27 (3891) | Walter Reed Army Institute of Research * | USA | |
| 28 (3934) | Monterey Bay Aquarium Research Institute | USA | |
| 29 (4101) | Battelle Memorial Institute * | USA | |
| 30 (4135) | Population Council, USA | USA | |
| 31 (4233) | Ontario Institute for Cancer Research | CAN | |
| 32 (4290) | Desert Research Institute, Reno | USA | |
| 33 (4575) | Regenstrief Institute | USA | |
| 33 (4575) | Family Health International * | USA | |
| 35 (4876) | Cary Institute of Ecosystem Studies | USA | |
| 36 (4933) | Canadian Blood Services | CAN | |
| 37 (4989) | Lowell Observatory | USA | |
| 38 (5189) | Donald Danforth Plant Science Center | USA | |
| 38 (5189) | Electric Power Research Institute | USA | |
| 40 (5263) | Space Science Institute | USA | |
| 41 (5330) | Boyce Thompson Institute for Plant Research | USA | |
| 41 (5330) | HudsonAlpha Institute for Biotechnology | USA | |
| 43 (5733) | The EARLY Program Mind Research Network | USA | |
| 44 (7234) | National Institute of Aerospace | USA | |
|
