| 1 (112) | National Bureau of Economic Research | USA |  |
| 2 (113) | Santa Fe Institute | USA | |
| 3 (367) | Institute for Advanced Study | USA | |
| 4 (377) | American Institute of Aeronautics and Astronautics | USA | |
| 5 (384) | Carnegie Institution for Science | USA | |
| 6 (452) | Perimeter Institute for Theoretical Physics | CAN | |
| 7 (491) | Woods Hole Oceanographic Institution | USA | |
| 8 (508) | RAND Corporation | USA | |
| 9 (606) | Kavli Institute for Particle Astrophysics and Cosmology | USA | |
| 10 (610) | The Electrochemical Society, USA | USA | |
| 11 (711) | SRI International | USA | |
| 12 (783) | Wildlife Conservation Society USA | USA | |
| 13 (937) | American Ceramic Society | USA | |
| 14 (1005) | Marine Biological Laboratory | USA | |
| 15 (1375) | Universities Space Research Association | USA | |
| 16 (1583) | Monterey Bay Aquarium Research Institute | USA | |
| 17 (1715) | Desert Research Institute, Reno | USA | |
| 18 (1798) | International Monetary Fund | USA | |
| 19 (2205) | Southwest Research Institute | USA | |
| 20 (2537) | Electric Power Research Institute | USA | |
| 21 (2616) | Battelle Memorial Institute | USA | |
| 22 (2636) | Louisiana State University Agricultural Center | USA | |
| 23 (3172) | American Society of Mechanical Engineers | USA | |
| 24 (3701) | American Chemical Society | USA | |
| 25 (4178) | Society of Petroleum Engineers | USA | |
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