| 1 (74) | United States Department of Agriculture | USA |  |
| 2 (75) | National Aeronautics and Space Administration * | USA | |
| 3 (156) | National Center for Biotechnology Information | USA | |
| 4 (166) | NASA Goddard Space Flight Center | USA | |
| 5 (187) | National Oceanic and Atmospheric Administration | USA | |
| 6 (211) | United States Geological Survey | USA | |
| 7 (222) | Lawrence Berkeley National Laboratory * | USA | |
| 8 (274) | Smithsonian Institution * | USA | |
| 9 (291) | U.S. Army | USA | |
| 10 (295) | NASA Johnson Space Center | USA | |
| 11 (297) | U.S. Food and Drug Administration * | USA | |
| 12 (327) | National Institute of Standards and Technology * | USA | |
| 13 (344) | US Environmental Protection Agency | USA | |
| 14 (383) | Jet Propulsion Laboratory | USA | |
| 15 (406) | NASA Ames Research Center | USA | |
| 16 (410) | Argonne National Laboratory | USA | |
| 17 (413) | Oak Ridge National Laboratory | USA | |
| 18 (456) | World Bank United States | USA | |
| 19 (463) | Center for Drug Evaluation & Research | USA | |
| 20 (465) | NASA Langley Research Center | USA | |
| 21 (475) | NASA Marshall Space Flight Center | USA | |
| 22 (481) | Los Alamos National Laboratory | USA | |
| 23 (488) | NASA Stennis Space Center | USA | |
| 24 (491) | National Center for Toxicological Research | USA | |
| 25 (492) | Center for Biologics Evaluation and Research | USA | |
| 26 (502) | Center for Devices and Radiological Health | USA | |
| 27 (586) | U.S. Air Force | USA | |
| 28 (624) | Lawrence Livermore National Laboratory * | USA | |
| 29 (664) | Brookhaven National Laboratory | USA | |
| 30 (699) | U.S. Department of Energy | USA | |
| 31 (789) | Pacific Northwest National Laboratory | USA | |
| 32 (803) | SLAC National Accelerator Laboratory | USA | |
| 32 (803) | Harvard-Smithsonian Center for Astrophysics | USA | |
| 34 (940) | United States Fish and Wildlife Service | USA | |
| 35 (977) | US National Science Foundation | USA | |
| 36 (1056) | American Museum of Natural History | USA | |
| 37 (1109) | US Naval Research Laboratory | USA | |
| 38 (1123) | Sandia National Laboratories, New Mexico * | USA | |
| 39 (1168) | Fermi National Accelerator Laboratory | USA | |
| 40 (1187) | National Center for Atmospheric Research | USA | |
| 41 (1200) | National Renewable Energy Laboratory | USA | |
| 42 (1260) | Federal Reserve System | USA | |
| 43 (1304) | Space Telescope Science Institute | USA | |
| 44 (1330) | Smithsonian National Museum of Natural History | USA | |
| 45 (2054) | Field Museum Natural History | USA | |
| 46 (2127) | Inter-American Development Bank | USA | |
| 47 (2169) | Nemours A Children's Health System | USA | |
| 48 (2224) | Sandia National Laboratories, California | USA | |
| 49 (2237) | NASA Goddard Institute for Space Studies | USA | |
| 50 (2376) | Thomas Jefferson National Accelerator Facility | USA | |
| 51 (2397) | International Food Policy Research Institute | USA | |
| 51 (2397) | Center for Food Safety and Applied Nutrition | USA | |
| 53 (2483) | Infrared Processing and Analysis Center | USA | |
| 54 (2583) | Ames Laboratory | USA | |
| 55 (2622) | National Optical Astronomy Observatory | USA | |
| 55 (2622) | Glenn Research Center | USA | |
| 57 (2697) | National High Magnetic Field Laboratory | USA | |
| 58 (2749) | Missouri Botanical Garden | USA | |
| 59 (2966) | Doe Joint Genome Institute | USA | |
| 60 (3252) | Idaho National Laboratory | USA | |
| 61 (3345) | National Radio Astronomy Observatory, Charlottesville | USA | |
| 61 (3345) | Princeton Plasma Physics Laboratory | USA | |
| 63 (3375) | University of Maryland, Center for Environmental Science | USA | |
| 64 (3457) | Joint Institute for Laboratory Astrophysics | USA | |
| 64 (3457) | National Energy Technology Laboratory | USA | |
| 66 (3556) | Joint Quantum Institute | USA | |
| 67 (3594) | Oak Ridge Institute for Science and Education | USA | |
| 68 (4339) | Mathematica Policy Research | USA | |
| 69 (4390) | National Radio Astronomy Observatory, Socorro | USA | |
| 70 (4881) | Smithsonian Environmental Research Center | USA | |
| 70 (4881) | Joint BioEnergy Institute | USA | |
| 72 (5009) | Westat Corp | USA | |
| 73 (6274) | Savannah River National Laboratory | USA | |
| 74 (6300) | Research Institute for Fragrance Materials | USA | |
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