| 1 (89) | US Food and Drug Administration | USA |  |
| 2 (200) | Nemours Children's Health System | USA | |
| 3 (222) | Lawrence Livermore National Laboratory * | USA | |
| 4 (305) | National Research Council Canada * | CAN | |
| 5 (350) | Argonne National Laboratory * | USA | |
| 6 (436) | Lawrence Berkeley National Laboratory * | USA | |
| 7 (517) | United States Department of Agriculture | USA | |
| 8 (634) | Los Alamos National Laboratory * | USA | |
| 9 (654) | Agriculture and Agri-Food Canada | CAN | |
| 10 (697) | US Environmental Protection Agency | USA | |
| 11 (746) | U.S. Army * | USA | |
| 12 (1045) | U.S. Department of Energy * | USA | |
| 13 (1222) | Center for Drug Evaluation & Research | USA | |
| 14 (1525) | National Institute of Standards and Technology * | USA | |
| 15 (1742) | Environment Canada | CAN | |
| 16 (1853) | Center for Biologics Evaluation and Research | USA | |
| 17 (1878) | Center for Devices and Radiological Health | USA | |
| 18 (2238) | Oak Ridge Institute for Science and Education | USA | |
| 19 (2272) | Center for Food Safety and Applied Nutrition | USA | |
| 20 (2349) | National Center for Toxicological Research | USA | |
| 21 (2623) | Pacific Northwest National Laboratory * | USA | |
| 22 (2666) | National Oceanic and Atmospheric Administration | USA | |
| 23 (2911) | United States Geological Survey | USA | |
| 24 (3586) | U.S. Air Force | USA | |
| 25 (3594) | Douglas Mental Health University Institute | CAN | |
| 26 (4028) | Research Institute for Fragrance Materials | USA | |
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