| 1 (568) | United Nations International Children's Emergency Fund, United States | USA | |
| 2 (714) | International Food Policy Research Institute United States | USA | |
| 3 (913) | National Bureau of Economic Research | USA | |
| 4 (979) | RAND Corp | USA | |
| 5 (1092) | Educational Testing Service | USA | |
| 6 (1139) | SRI International | USA | |
| 7 (1170) | Santa Fe Institute | USA | |
| 8 (1418) | Wildlife Conservation Society USA | USA | |
| 9 (1524) | Cary Institute of Ecosystem Studies | USA | |
| 10 (1813) | International Monetary Fund | USA | |
| 11 (2042) | Louisiana State University Agricultural Center | USA | |
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