| 1 (3) | U.S. Department of Health and Human Services * | USA |  |
| 2 (190) | United States Department of Agriculture | USA | |
| 3 (243) | US Food and Drug Administration | USA | |
| 4 (320) | Lawrence Berkeley National Laboratory * | USA | |
| 5 (330) | U.S. Army * | USA | |
| 6 (337) | Center for Drug Evaluation & Research | USA | |
| 7 (365) | Center for Biologics Evaluation and Research | USA | |
| 8 (367) | National Aeronautics and Space Administration * | USA | |
| 9 (384) | National Center for Toxicological Research | USA | |
| 10 (451) | Los Alamos National Laboratory * | USA | |
| 11 (478) | National Institute of Standards and Technology * | USA | |
| 12 (481) | Argonne National Laboratory | USA | |
| 13 (483) | US Environmental Protection Agency | USA | |
| 14 (495) | Center for Devices and Radiological Health | USA | |
| 15 (515) | Lawrence Livermore National Laboratory * | USA | |
| 16 (518) | World Bank United States | USA | |
| 17 (520) | National Oceanic and Atmospheric Administration | USA | |
| 18 (521) | Oak Ridge National Laboratory | USA | |
| 19 (538) | US Naval Research Laboratory | USA | |
| 20 (549) | Sandia National Laboratories, New Mexico | USA | |
| 21 (570) | Brookhaven National Laboratory * | USA | |
| 22 (572) | Pacific Northwest National Laboratory | USA | |
| 23 (583) | U.S. Department of Energy * | USA | |
| 24 (599) | Smithsonian Institution * | USA | |
| 24 (599) | United States Geological Survey | USA | |
| 26 (620) | SLAC National Accelerator Laboratory | USA | |
| 27 (654) | Nemours Children's Health System | USA | |
| 28 (717) | Oregon Research Institute | USA | |
| 29 (722) | Center for Food Safety and Applied Nutrition | USA | |
| 30 (731) | Oak Ridge Institute for Science and Education | USA | |
| 31 (741) | U.S. Air Force | USA | |
| 32 (800) | Steadman Philippon Research Institute | USA | |
| 33 (819) | Westat Corp | USA | |
| 34 (913) | Research Institute for Fragrance Materials | USA | |
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