| 1 (422) | United States Department of Agriculture | USA |  |
| 2 (646) | Lawrence Berkeley National Laboratory * | USA | |
| 3 (664) | U.S. Department of Energy * | USA | |
| 4 (685) | United States Geological Survey | USA | |
| 5 (712) | Oak Ridge National Laboratory | USA | |
| 6 (752) | National Aeronautics and Space Administration * | USA | |
| 7 (773) | Argonne National Laboratory * | USA | |
| 8 (836) | National Renewable Energy Laboratory | USA | |
| 9 (846) | National Oceanic and Atmospheric Administration | USA | |
| 10 (862) | National Institute of Standards and Technology * | USA | |
| 11 (869) | Oak Ridge Institute for Science and Education | USA | |
| 12 (877) | Jet Propulsion Laboratory | USA | |
| 13 (887) | Pacific Northwest National Laboratory * | USA | |
| 14 (915) | US Food and Drug Administration | USA | |
| 15 (922) | Smithsonian Institution * | USA | |
| 16 (926) | American Museum of Natural History | USA | |
| 17 (1045) | National Center for Atmospheric Research | USA | |
| 18 (1051) | Field Museum Natural History | USA | |
| 19 (1063) | Smithsonian National Museum of Natural History | USA | |
| 20 (1066) | US Environmental Protection Agency | USA | |
| 21 (1103) | U.S. Army * | USA | |
| 22 (1119) | NASA Goddard Space Flight Center | USA | |
| 23 (1247) | Federal Reserve System * | USA | |
| 24 (1657) | Los Alamos National Laboratory * | USA | |
| 25 (1732) | U.S. Air Force | USA | |
| 26 (2165) | American Institutes for Research | USA | |
| 27 (2377) | Inter-American Development Bank | USA | |
| 28 (2424) | US National Science Foundation * | USA | |
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