| 1 (281) | Santa Fe Institute | USA |  |
| 2 (346) | National Bureau of Economic Research | USA | |
| 3 (667) | The Electrochemical Society, USA | USA | |
| 4 (676) | American Institute of Aeronautics and Astronautics | USA | |
| 4 (676) | Carnegie Institution for Science | USA | |
| 6 (681) | SRI International | USA | |
| 7 (738) | Institute for Advanced Study | USA | |
| 8 (839) | Woods Hole Oceanographic Institution | USA | |
| 9 (1003) | Perimeter Institute for Theoretical Physics | CAN | |
| 10 (1058) | RAND Corporation | USA | |
| 11 (1106) | American Ceramic Society | USA | |
| 12 (1285) | Marine Biological Laboratory | USA | |
| 13 (1294) | Kavli Institute for Particle Astrophysics and Cosmology | USA | |
| 14 (1526) | Wildlife Conservation Society USA | USA | |
| 15 (1885) | Monterey Bay Aquarium Research Institute | USA | |
| 16 (1935) | Universities Space Research Association | USA | |
| 17 (2252) | Desert Research Institute, Reno | USA | |
| 18 (2308) | Louisiana State University Agricultural Center | USA | |
| 19 (2316) | Battelle Memorial Institute | USA | |
| 20 (2406) | Southwest Research Institute | USA | |
| 21 (2536) | International Monetary Fund | USA | |
| 22 (2641) | Electric Power Research Institute | USA | |
| 23 (3272) | American Society of Mechanical Engineers | USA | |
| 24 (3454) | Society of Petroleum Engineers | USA | |
| 25 (3675) | American Chemical Society | USA | |
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