| 1 (11) | U.S. Department of Health and Human Services * | USA |  |
| 2 (81) | National Aeronautics and Space Administration * | USA | |
| 3 (97) | United States Department of Agriculture | USA | |
| 4 (149) | Lawrence Berkeley National Laboratory * | USA | |
| 5 (176) | NASA Goddard Space Flight Center | USA | |
| 6 (186) | National Center for Biotechnology Information | USA | |
| 7 (237) | National Oceanic and Atmospheric Administration | USA | |
| 8 (251) | Smithsonian Institution * | USA | |
| 9 (275) | United States Geological Survey | USA | |
| 10 (311) | NASA Ames Research Center | USA | |
| 11 (327) | Argonne National Laboratory | USA | |
| 12 (339) | US Food and Drug Administration | USA | |
| 13 (358) | NASA Langley Research Center | USA | |
| 14 (366) | Jet Propulsion Laboratory | USA | |
| 15 (376) | NASA Johnson Space Center | USA | |
| 16 (379) | U.S. Army * | USA | |
| 17 (393) | National Institute of Standards and Technology * | USA | |
| 18 (397) | Glenn Research Center | USA | |
| 19 (412) | Oak Ridge National Laboratory | USA | |
| 20 (422) | US Environmental Protection Agency | USA | |
| 21 (470) | SLAC National Accelerator Laboratory | USA | |
| 22 (481) | Center for Drug Evaluation & Research | USA | |
| 23 (487) | Brookhaven National Laboratory * | USA | |
| 24 (525) | World Bank United States | USA | |
| 25 (530) | Lawrence Livermore National Laboratory * | USA | |
| 25 (530) | Los Alamos National Laboratory * | USA | |
| 27 (535) | National Center for Toxicological Research | USA | |
| 27 (535) | Center for Biologics Evaluation and Research | USA | |
| 29 (538) | Center for Devices and Radiological Health | USA | |
| 29 (538) | NASA Marshall Space Flight Center | USA | |
| 31 (591) | NASA Stennis Space Center | USA | |
| 32 (661) | Harvard-Smithsonian Center for Astrophysics | USA | |
| 33 (686) | U.S. Department of Energy * | USA | |
| 34 (722) | Pacific Northwest National Laboratory | USA | |
| 35 (801) | Fermi National Accelerator Laboratory | USA | |
| 36 (1014) | US National Science Foundation * | USA | |
| 37 (1126) | National Center for Atmospheric Research | USA | |
| 38 (1139) | American Museum of Natural History | USA | |
| 39 (1169) | National Renewable Energy Laboratory | USA | |
| 40 (1173) | Smithsonian National Museum of Natural History | USA | |
| 41 (1179) | United States Fish and Wildlife Service | USA | |
| 42 (1204) | Sandia National Laboratories, New Mexico | USA | |
| 43 (1230) | Space Telescope Science Institute | USA | |
| 44 (1314) | U.S. Air Force | USA | |
| 45 (1352) | Federal Reserve System | USA | |
| 46 (1358) | US Naval Research Laboratory | USA | |
| 47 (2088) | Sandia National Laboratories, California | USA | |
| 48 (2107) | NASA Goddard Institute for Space Studies | USA | |
| 49 (2166) | Field Museum Natural History | USA | |
| 50 (2263) | Doe Joint Genome Institute | USA | |
| 51 (2327) | National Optical Astronomy Observatory | USA | |
| 52 (2356) | Infrared Processing and Analysis Center | USA | |
| 53 (2392) | Nemours Children's Health System | USA | |
| 54 (2528) | International Food Policy Research Institute | USA | |
| 54 (2528) | Thomas Jefferson National Accelerator Facility | USA | |
| 56 (2850) | National High Magnetic Field Laboratory | USA | |
| 57 (2910) | Center for Food Safety and Applied Nutrition | USA | |
| 58 (2988) | Oak Ridge Institute for Science and Education | USA | |
| 58 (2988) | Missouri Botanical Garden | USA | |
| 60 (3072) | Ames Laboratory | USA | |
| 61 (3151) | University of Maryland, Center for Environmental Science | USA | |
| 62 (3296) | New York Botanical Garden | USA | |
| 63 (3352) | Joint Quantum Institute | USA | |
| 63 (3352) | National Radio Astronomy Observatory Charlottesville | USA | |
| 65 (3416) | Joint Institute for Laboratory Astrophysics | USA | |
| 66 (3521) | Idaho National Laboratory | USA | |
| 67 (3643) | Princeton Plasma Physics Laboratory | USA | |
| 68 (3890) | National Radio Astronomy Observatory, Socorro | USA | |
| 69 (4153) | National Energy Technology Laboratory | USA | |
| 70 (4497) | Joint BioEnergy Institute | USA | |
| 71 (4549) | Subaru Telescope | USA | |
| 72 (4765) | Smithsonian Environmental Research Center | USA | |
| 73 (5259) | Westat Corp | USA | |
| 74 (5398) | Oregon Research Institute | USA | |
| 75 (5470) | Steadman Philippon Research Institute | USA | |
| 76 (7089) | Research Institute for Fragrance Materials | USA | |
| 77 (7291) | Savannah River National Laboratory | USA | |
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