| 1 (7) | United States Department of Agriculture | USA |  |
| 2 (23) | Doe Joint Genome Institute | USA | |
| 3 (27) | National Center for Biotechnology Information | USA | |
| 4 (84) | NASA Goddard Space Flight Center | USA | |
| 5 (104) | National Aeronautics and Space Administration * | USA | |
| 6 (116) | National Institute of Standards and Technology * | USA | |
| 7 (118) | United States Geological Survey | USA | |
| 8 (135) | Lawrence Berkeley National Laboratory * | USA | |
| 9 (154) | Jet Propulsion Laboratory | USA | |
| 10 (164) | National Oceanic and Atmospheric Administration | USA | |
| 11 (181) | Smithsonian Institution * | USA | |
| 12 (237) | Brookhaven National Laboratory * | USA | |
| 13 (256) | National Renewable Energy Laboratory | USA | |
| 14 (341) | National Center for Atmospheric Research | USA | |
| 15 (346) | U.S. Department of Energy * | USA | |
| 16 (401) | Oak Ridge National Laboratory | USA | |
| 17 (467) | Lawrence Livermore National Laboratory * | USA | |
| 18 (519) | Argonne National Laboratory * | USA | |
| 19 (716) | US Food and Drug Administration | USA | |
| 20 (729) | US Environmental Protection Agency | USA | |
| 21 (745) | Joint BioEnergy Institute | USA | |
| 22 (793) | Smithsonian National Museum of Natural History | USA | |
| 23 (864) | Environmental Molecular Sciences Laboratory | USA | |
| 24 (881) | Smithsonian Conservation Biology Institute | USA | |
| 25 (909) | Smithsonian Environmental Research Center | USA | |
| 26 (1001) | Los Alamos National Laboratory * | USA | |
| 27 (1171) | Oak Ridge Institute for Science and Education | USA | |
| 28 (1268) | American Museum of Natural History | USA | |
| 29 (1385) | Pacific Northwest National Laboratory * | USA | |
| 30 (1398) | US Naval Research Laboratory | USA | |
| 31 (1511) | Center for Food Safety and Applied Nutrition | USA | |
| 32 (2128) | Field Museum Natural History | USA | |
| 33 (2130) | United States Fish and Wildlife Service | USA | |
| 34 (2267) | University of Maryland, Center for Environmental Science | USA | |
| 35 (2482) | US National Science Foundation * | USA | |
| 36 (2668) | Natural History Museum of los Angeles County | USA | |
| 37 (2733) | NASA Ames Research Center | USA | |
| 38 (2989) | Missouri Botanical Garden | USA | |
| 39 (3198) | U.S. Army * | USA | |
| 40 (3411) | New York Botanical Garden | USA | |
| 41 (4401) | Research Institute for Fragrance Materials | USA | |
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