| 1 (80) | United States Department of Agriculture | USA |  |
| 2 (107) | National Aeronautics and Space Administration * | USA | |
| 3 (109) | Lawrence Berkeley National Laboratory | USA | |
| 4 (160) | National Center for Biotechnology Information | USA | |
| 5 (206) | Doe Joint Genome Institute | USA | |
| 6 (268) | Los Alamos National Laboratory | USA | |
| 7 (280) | National Institute of Standards and Technology * | USA | |
| 8 (341) | National Renewable Energy Laboratory | USA | |
| 9 (343) | Argonne National Laboratory | USA | |
| 10 (375) | Oak Ridge National Laboratory | USA | |
| 11 (394) | U.S. Army | USA | |
| 12 (401) | Lawrence Livermore National Laboratory | USA | |
| 13 (405) | Armed Forces Institute of Pathology | USA | |
| 14 (439) | National Center for Atmospheric Research | USA | |
| 15 (441) | United States Geological Survey | USA | |
| 16 (470) | NASA Goddard Space Flight Center | USA | |
| 17 (488) | Smithsonian Institution | USA | |
| 18 (490) | Sandia National Laboratories, New Mexico | USA | |
| 19 (512) | US Naval Research Laboratory | USA | |
| 20 (542) | National Oceanic and Atmospheric Administration | USA | |
| 21 (600) | Pacific Northwest National Laboratory | USA | |
| 22 (611) | Jet Propulsion Laboratory | USA | |
| 23 (643) | NASA Goddard Institute for Space Studies | USA | |
| 24 (663) | Brookhaven National Laboratory | USA | |
| 25 (698) | Ames Laboratory | USA | |
| 26 (727) | National Energy Technology Laboratory | USA | |
| 27 (732) | World Bank United States | USA | |
| 28 (747) | U.S. Air Force | USA | |
| 29 (847) | U.S. Food and Drug Administration | USA | |
| 30 (859) | US Environmental Protection Agency | USA | |
| 31 (885) | University of Maryland, Center for Environmental Science | USA | |
| 32 (928) | American Museum of Natural History | USA | |
| 33 (1020) | University of Maryland Biotechnology Institute | USA | |
| 34 (1055) | National Optical Astronomy Observatory | USA | |
| 35 (1091) | Space Telescope Science Institute | USA | |
| 36 (1108) | NASA Ames Research Center | USA | |
| 37 (1116) | Princeton Plasma Physics Laboratory | USA | |
| 38 (1120) | Spitzer Science Center | USA | |
| 39 (1178) | U.S. Department of Energy | USA | |
| 40 (1195) | National High Magnetic Field Laboratory | USA | |
| 41 (1226) | SLAC National Accelerator Laboratory | USA | |
| 42 (1271) | Joint Quantum Institute | USA | |
| 43 (1312) | NASA Langley Research Center | USA | |
| 44 (1648) | Field Museum Natural History | USA | |
| 45 (1688) | Fermi National Accelerator Laboratory | USA | |
| 46 (1884) | US National Science Foundation | USA | |
| 47 (1919) | Joint Institute for Laboratory Astrophysics | USA | |
| 48 (2024) | Thomas Jefferson National Accelerator Facility | USA | |
| 49 (2261) | National Radio Astronomy Observatory, Charlottesville | USA | |
| 50 (2391) | Nemours A Children's Health System | USA | |
| 51 (2691) | NASA Johnson Space Center | USA | |
| 52 (2801) | Idaho National Laboratory | USA | |
| 53 (2868) | Glenn Research Center | USA | |
| 54 (2911) | NASA Stennis Space Center | USA | |
| 55 (3083) | Naval Air Systems Command | USA | |
| 56 (3612) | NASA Marshall Space Flight Center | USA | |
| 57 (3613) | NASA Kennedy Space Center | USA | |
| 58 (3662) | United States Fish and Wildlife Service | USA | |
| 59 (3986) | Missouri Botanical Garden | USA | |
| 60 (4106) | Savannah River National Laboratory | USA | |
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