| 1 (52) | Argonne National Laboratory | USA |  |
| 2 (63) | US Food and Drug Administration | USA | |
| 3 (204) | U.S. Army * | USA | |
| 4 (274) | Center for Drug Evaluation & Research | USA | |
| 5 (365) | United States Department of Agriculture | USA | |
| 6 (452) | Center for Devices and Radiological Health | USA | |
| 7 (475) | Nemours Children's Health System | USA | |
| 8 (533) | Lawrence Berkeley National Laboratory * | USA | |
| 9 (546) | Lawrence Livermore National Laboratory * | USA | |
| 10 (563) | National Center for Toxicological Research | USA | |
| 11 (589) | US Environmental Protection Agency | USA | |
| 12 (628) | Los Alamos National Laboratory * | USA | |
| 13 (786) | Center for Biologics Evaluation and Research | USA | |
| 14 (1454) | U.S. Department of Energy * | USA | |
| 15 (1790) | National Oceanic and Atmospheric Administration | USA | |
| 16 (2357) | National Institute of Standards and Technology * | USA | |
| 17 (2361) | United States Geological Survey | USA | |
| 18 (2397) | Oak Ridge Institute for Science and Education | USA | |
| 19 (2704) | Center for Food Safety and Applied Nutrition | USA | |
| 20 (3086) | Pacific Northwest National Laboratory | USA | |
| 21 (3334) | Research Institute for Fragrance Materials | USA | |
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