| 1 (4) | United States Department of Agriculture | USA |  |
| 2 (23) | National Center for Biotechnology Information | USA | |
| 3 (68) | United States Geological Survey | USA | |
| 4 (123) | National Oceanic and Atmospheric Administration | USA | |
| 5 (143) | National Aeronautics and Space Administration * | USA | |
| 6 (181) | Doe Joint Genome Institute | USA | |
| 7 (190) | Brookhaven National Laboratory * | USA | |
| 8 (194) | Smithsonian Institution * | USA | |
| 9 (203) | Lawrence Berkeley National Laboratory * | USA | |
| 10 (222) | US Food and Drug Administration | USA | |
| 11 (256) | U.S. Department of Energy * | USA | |
| 12 (283) | Oak Ridge National Laboratory | USA | |
| 13 (333) | US Environmental Protection Agency | USA | |
| 14 (352) | U.S. Army * | USA | |
| 15 (359) | Lawrence Livermore National Laboratory * | USA | |
| 16 (383) | Argonne National Laboratory | USA | |
| 17 (390) | National Institute of Standards and Technology * | USA | |
| 18 (408) | Smithsonian National Museum of Natural History | USA | |
| 18 (408) | Joint BioEnergy Institute | USA | |
| 20 (415) | Pacific Northwest National Laboratory | USA | |
| 21 (420) | Los Alamos National Laboratory * | USA | |
| 22 (438) | World Bank United States | USA | |
| 23 (446) | Jet Propulsion Laboratory | USA | |
| 24 (467) | National Renewable Energy Laboratory | USA | |
| 25 (468) | American Museum of Natural History | USA | |
| 26 (506) | US Naval Research Laboratory | USA | |
| 26 (506) | Oak Ridge Institute for Science and Education | USA | |
| 28 (512) | United States Fish and Wildlife Service | USA | |
| 29 (530) | Center for Food Safety and Applied Nutrition | USA | |
| 30 (547) | US National Science Foundation * | USA | |
| 31 (550) | Field Museum Natural History | USA | |
| 32 (552) | University of Maryland, Center for Environmental Science | USA | |
| 33 (553) | NASA Goddard Space Flight Center | USA | |
| 34 (574) | Missouri Botanical Garden | USA | |
| 35 (588) | NASA Ames Research Center | USA | |
| 36 (608) | National Center for Atmospheric Research | USA | |
| 37 (609) | Smithsonian Environmental Research Center | USA | |
| 38 (749) | Research Institute for Fragrance Materials | USA | |
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