| 1 (79) | United States Department of Agriculture | USA |  |
| 2 (169) | U.S. Army | USA | |
| 3 (203) | Lawrence Berkeley National Laboratory | USA | |
| 4 (236) | U.S. Food and Drug Administration | USA | |
| 5 (251) | National Research Council Canada | CAN | |
| 6 (279) | Doe Joint Genome Institute | USA | |
| 7 (284) | National Aeronautics and Space Administration * | USA | |
| 8 (296) | University of Maryland Biotechnology Institute | USA | |
| 9 (324) | US Naval Research Laboratory | USA | |
| 10 (378) | National Institute of Standards and Technology * | USA | |
| 11 (402) | Sandia National Laboratories, New Mexico | USA | |
| 12 (451) | Communications Research Centre Canada | CAN | |
| 13 (474) | National Center for Biotechnology Information | USA | |
| 14 (490) | Oak Ridge National Laboratory | USA | |
| 15 (504) | Pacific Northwest National Laboratory | USA | |
| 16 (518) | National Renewable Energy Laboratory | USA | |
| 17 (526) | Los Alamos National Laboratory | USA | |
| 18 (579) | U.S. Air Force | USA | |
| 19 (638) | Lawrence Livermore National Laboratory | USA | |
| 20 (689) | Argonne National Laboratory | USA | |
| 21 (822) | Armed Forces Institute of Pathology | USA | |
| 22 (942) | Jet Propulsion Laboratory | USA | |
| 23 (1101) | Brookhaven National Laboratory | USA | |
| 24 (1102) | Agriculture and Agri-Food Canada | CAN | |
| 25 (1359) | NASA Stennis Space Center | USA | |
| 26 (1430) | U.S. Department of Energy | USA | |
| 27 (1450) | NASA Ames Research Center | USA | |
| 28 (1499) | National Energy Technology Laboratory | USA | |
| 29 (1546) | Glenn Research Center | USA | |
| 30 (1580) | Ames Laboratory | USA | |
| 31 (1797) | Douglas Mental Health University Institute | CAN | |
| 32 (1867) | Naval Air Systems Command | USA | |
| 33 (1896) | US Environmental Protection Agency | USA | |
| 34 (1918) | NASA Langley Research Center | USA | |
| 35 (2014) | Nemours A Children's Health System | USA | |
| 36 (2352) | Idaho National Laboratory | USA | |
| 37 (2374) | National High Magnetic Field Laboratory | USA | |
| 38 (2418) | NASA Johnson Space Center | USA | |
| 39 (2444) | Natural Resources Canada | CAN | |
| 40 (2460) | NASA Goddard Space Flight Center | USA | |
| 41 (2642) | SLAC National Accelerator Laboratory | USA | |
| 42 (2779) | US National Science Foundation | USA | |
| 43 (2852) | Savannah River National Laboratory | USA | |
| 44 (2947) | Thomas Jefferson National Accelerator Facility | USA | |
| 45 (2978) | National Oceanic and Atmospheric Administration | USA | |
| 46 (2984) | United States Geological Survey | USA | |
| 47 (3017) | Joint Institute for Laboratory Astrophysics | USA | |
| 48 (3122) | University of Maryland, Center for Environmental Science | USA | |
| 49 (3211) | NASA Kennedy Space Center | USA | |
| 50 (3300) | Joint Quantum Institute | USA | |
| 51 (3331) | National Center for Atmospheric Research | USA | |
| 52 (3389) | NASA Marshall Space Flight Center | USA | |
| 53 (3557) | Princeton Plasma Physics Laboratory | USA | |
| 54 (3562) | TRIUMF - National Laboratory for Particle and Nuclear Physics | CAN | |
| 55 (3565) | Missouri Botanical Garden | USA | |
| 56 (3653) | Nuclear Regulatory Commission | USA | |
| 57 (3738) | Environment Canada | CAN | |
| 58 (3751) | Fermi National Accelerator Laboratory | USA | |
| 59 (3778) | Smithsonian Institution | USA | |
| 60 (3878) | National Radio Astronomy Observatory, Charlottesville | USA | |
| 60 (3878) | Subaru Telescope | USA | |
| 62 (3887) | American Museum of Natural History | USA | |
| 63 (3958) | Bedford Institute of Oceanography | CAN | |
| 64 (4024) | National Optical Astronomy Observatory | USA | |
| 65 (4080) | United States Fish and Wildlife Service | USA | |
| 66 (4118) | Spitzer Science Center | USA | |
| 67 (4122) | Space Telescope Science Institute | USA | |
| 68 (4131) | Field Museum Natural History | USA | |
| 69 (4138) | World Bank United States | USA | |
| 70 (4142) | National Radio Astronomy Observatory, Socorro | USA | |
| 70 (4142) | Research Institute for Fragrance Materials | USA | |
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