| 1 (96) | United States Department of Agriculture | USA |  |
| 2 (120) | National Aeronautics and Space Administration * | USA | |
| 3 (124) | Lawrence Berkeley National Laboratory | USA | |
| 4 (300) | National Center for Biotechnology Information | USA | |
| 5 (308) | Oak Ridge National Laboratory | USA | |
| 6 (318) | Doe Joint Genome Institute | USA | |
| 7 (324) | Los Alamos National Laboratory | USA | |
| 8 (329) | Argonne National Laboratory | USA | |
| 9 (341) | U.S. Army | USA | |
| 10 (364) | National Institute of Standards and Technology * | USA | |
| 11 (406) | National Oceanic and Atmospheric Administration | USA | |
| 12 (437) | United States Geological Survey | USA | |
| 13 (468) | SLAC National Accelerator Laboratory | USA | |
| 14 (485) | Pacific Northwest National Laboratory | USA | |
| 15 (490) | National Center for Atmospheric Research | USA | |
| 16 (495) | Lawrence Livermore National Laboratory | USA | |
| 17 (507) | Smithsonian Institution | USA | |
| 18 (577) | NASA Goddard Space Flight Center | USA | |
| 19 (600) | Sandia National Laboratories, New Mexico | USA | |
| 20 (606) | U.S. Food and Drug Administration | USA | |
| 21 (613) | U.S. Air Force | USA | |
| 22 (634) | Brookhaven National Laboratory | USA | |
| 23 (636) | Jet Propulsion Laboratory | USA | |
| 24 (670) | National Renewable Energy Laboratory | USA | |
| 25 (739) | US Naval Research Laboratory | USA | |
| 26 (755) | US Environmental Protection Agency | USA | |
| 27 (920) | NASA Ames Research Center | USA | |
| 28 (948) | World Bank United States | USA | |
| 29 (1034) | Joint Quantum Institute | USA | |
| 30 (1119) | NASA Goddard Institute for Space Studies | USA | |
| 31 (1205) | Space Telescope Science Institute | USA | |
| 32 (1312) | U.S. Department of Energy | USA | |
| 33 (1348) | Ames Laboratory | USA | |
| 34 (1354) | American Museum of Natural History | USA | |
| 35 (1406) | Fermi National Accelerator Laboratory | USA | |
| 36 (1447) | NASA Langley Research Center | USA | |
| 37 (1474) | National High Magnetic Field Laboratory | USA | |
| 38 (1500) | University of Maryland, Center for Environmental Science | USA | |
| 39 (1547) | National Energy Technology Laboratory | USA | |
| 40 (1857) | National Radio Astronomy Observatory, Charlottesville | USA | |
| 41 (1917) | Federal Reserve System | USA | |
| 41 (1917) | Joint Institute for Laboratory Astrophysics | USA | |
| 43 (1941) | Infrared Processing and Analysis Center | USA | |
| 44 (2063) | National Optical Astronomy Observatory | USA | |
| 45 (2305) | Field Museum Natural History | USA | |
| 46 (2545) | Princeton Plasma Physics Laboratory | USA | |
| 47 (2666) | Oak Ridge Institute for Science and Education | USA | |
| 48 (2674) | Nemours A Children's Health System | USA | |
| 49 (3143) | Thomas Jefferson National Accelerator Facility | USA | |
| 50 (3162) | NASA Marshall Space Flight Center | USA | |
| 51 (3169) | Idaho National Laboratory | USA | |
| 52 (3298) | NASA Johnson Space Center | USA | |
| 53 (3379) | NASA Stennis Space Center | USA | |
| 54 (3603) | Glenn Research Center | USA | |
| 55 (3766) | US National Science Foundation | USA | |
| 56 (3961) | United States Fish and Wildlife Service | USA | |
| 57 (4527) | Missouri Botanical Garden | USA | |
| 58 (4642) | Savannah River National Laboratory | USA | |
| 59 (5123) | Nuclear Regulatory Commission | USA | |
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