| 1 (74) | United States Department of Agriculture | USA |  |
| 2 (87) | National Aeronautics and Space Administration * | USA | |
| 3 (118) | Lawrence Berkeley National Laboratory | USA | |
| 4 (175) | Doe Joint Genome Institute | USA | |
| 5 (216) | National Center for Biotechnology Information | USA | |
| 6 (222) | Los Alamos National Laboratory | USA | |
| 7 (244) | National Institute of Standards and Technology * | USA | |
| 8 (329) | Argonne National Laboratory | USA | |
| 9 (337) | Lawrence Livermore National Laboratory | USA | |
| 10 (346) | Oak Ridge National Laboratory | USA | |
| 11 (353) | National Renewable Energy Laboratory | USA | |
| 12 (398) | U.S. Army | USA | |
| 13 (403) | United States Geological Survey | USA | |
| 14 (418) | Armed Forces Institute of Pathology | USA | |
| 15 (448) | Sandia National Laboratories, New Mexico | USA | |
| 16 (469) | NASA Goddard Space Flight Center | USA | |
| 17 (471) | US Naval Research Laboratory | USA | |
| 18 (504) | National Center for Atmospheric Research | USA | |
| 19 (517) | Jet Propulsion Laboratory | USA | |
| 20 (523) | National Oceanic and Atmospheric Administration | USA | |
| 21 (533) | Smithsonian Institution | USA | |
| 22 (583) | Pacific Northwest National Laboratory | USA | |
| 23 (632) | Brookhaven National Laboratory | USA | |
| 24 (640) | World Bank United States | USA | |
| 25 (665) | U.S. Air Force | USA | |
| 26 (720) | Ames Laboratory | USA | |
| 27 (732) | Space Telescope Science Institute | USA | |
| 28 (735) | University of Maryland, Center for Environmental Science | USA | |
| 29 (815) | U.S. Food and Drug Administration | USA | |
| 30 (817) | National Energy Technology Laboratory | USA | |
| 31 (856) | US Environmental Protection Agency | USA | |
| 32 (918) | Princeton Plasma Physics Laboratory | USA | |
| 33 (934) | American Museum of Natural History | USA | |
| 34 (996) | NASA Ames Research Center | USA | |
| 35 (1023) | University of Maryland Biotechnology Institute | USA | |
| 36 (1081) | Spitzer Science Center | USA | |
| 37 (1089) | National High Magnetic Field Laboratory | USA | |
| 38 (1102) | National Optical Astronomy Observatory | USA | |
| 39 (1314) | U.S. Department of Energy | USA | |
| 40 (1349) | Joint Quantum Institute | USA | |
| 41 (1388) | NASA Langley Research Center | USA | |
| 42 (1498) | SLAC National Accelerator Laboratory | USA | |
| 43 (1601) | Field Museum Natural History | USA | |
| 44 (1681) | Joint Institute for Laboratory Astrophysics | USA | |
| 45 (1743) | Thomas Jefferson National Accelerator Facility | USA | |
| 46 (1782) | US National Science Foundation | USA | |
| 47 (1798) | Fermi National Accelerator Laboratory | USA | |
| 48 (1912) | Subaru Telescope | USA | |
| 49 (1992) | National Radio Astronomy Observatory, Charlottesville | USA | |
| 50 (2298) | Nemours A Children's Health System | USA | |
| 51 (2431) | NASA Johnson Space Center | USA | |
| 52 (2471) | Glenn Research Center | USA | |
| 53 (2738) | NASA Stennis Space Center | USA | |
| 54 (2836) | Idaho National Laboratory | USA | |
| 55 (3093) | National Radio Astronomy Observatory, Socorro | USA | |
| 56 (3146) | Naval Air Systems Command | USA | |
| 57 (3322) | NASA Kennedy Space Center | USA | |
| 58 (3347) | United States Fish and Wildlife Service | USA | |
| 59 (3474) | NASA Marshall Space Flight Center | USA | |
| 60 (3812) | Missouri Botanical Garden | USA | |
| 61 (3971) | Savannah River National Laboratory | USA | |
| 62 (4232) | Research Institute for Fragrance Materials | USA | |
| 63 (4239) | Nuclear Regulatory Commission | USA | |
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