| 1 (6) | United States Department of Agriculture | USA |  |
| 2 (28) | National Center for Biotechnology Information | USA | |
| 3 (95) | United States Geological Survey | USA | |
| 4 (208) | National Oceanic and Atmospheric Administration | USA | |
| 5 (280) | Joint BioEnergy Institute | USA | |
| 6 (284) | Lawrence Berkeley National Laboratory * | USA | |
| 7 (297) | Brookhaven National Laboratory * | USA | |
| 8 (300) | Smithsonian Institution * | USA | |
| 9 (310) | National Aeronautics and Space Administration * | USA | |
| 10 (410) | Doe Joint Genome Institute | USA | |
| 11 (521) | NASA Goddard Space Flight Center | USA | |
| 12 (546) | Lawrence Livermore National Laboratory * | USA | |
| 13 (680) | U.S. Department of Energy * | USA | |
| 14 (707) | Oak Ridge National Laboratory | USA | |
| 15 (728) | US Food and Drug Administration | USA | |
| 16 (874) | Smithsonian National Museum of Natural History | USA | |
| 17 (888) | Los Alamos National Laboratory * | USA | |
| 18 (908) | Pacific Northwest National Laboratory | USA | |
| 19 (960) | US Naval Research Laboratory | USA | |
| 20 (1028) | Jet Propulsion Laboratory | USA | |
| 21 (1088) | U.S. Army * | USA | |
| 22 (1108) | Argonne National Laboratory | USA | |
| 23 (1129) | US Environmental Protection Agency | USA | |
| 24 (1144) | National Renewable Energy Laboratory | USA | |
| 25 (1214) | Center for Food Safety and Applied Nutrition | USA | |
| 26 (1290) | American Museum of Natural History | USA | |
| 27 (1305) | National Center for Atmospheric Research | USA | |
| 28 (1372) | NASA Ames Research Center | USA | |
| 29 (1499) | Oak Ridge Institute for Science and Education | USA | |
| 30 (1752) | United States Fish and Wildlife Service | USA | |
| 31 (1977) | Smithsonian Conservation Biology Institute | USA | |
| 32 (2074) | World Bank United States | USA | |
| 33 (2081) | Field Museum Natural History | USA | |
| 34 (2412) | Smithsonian Environmental Research Center | USA | |
| 35 (2561) | Missouri Botanical Garden | USA | |
| 36 (2590) | University of Maryland, Center for Environmental Science | USA | |
| 37 (2793) | National Institute of Standards and Technology * | USA | |
| 38 (2836) | US National Science Foundation * | USA | |
| 39 (3276) | New York Botanical Garden | USA | |
| 40 (4164) | Research Institute for Fragrance Materials | USA | |
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