| 1 (50) | Argonne National Laboratory | USA |  |
| 2 (55) | US Food and Drug Administration | USA | |
| 3 (252) | U.S. Army * | USA | |
| 4 (261) | Lawrence Berkeley National Laboratory * | USA | |
| 5 (304) | United States Department of Agriculture | USA | |
| 6 (309) | US Environmental Protection Agency | USA | |
| 7 (329) | Los Alamos National Laboratory * | USA | |
| 8 (350) | Center for Drug Evaluation & Research | USA | |
| 9 (527) | National Center for Toxicological Research | USA | |
| 9 (527) | National Institute of Standards and Technology * | USA | |
| 11 (545) | U.S. Department of Energy * | USA | |
| 12 (607) | Center for Devices and Radiological Health | USA | |
| 13 (623) | United States Geological Survey | USA | |
| 14 (658) | Oak Ridge Institute for Science and Education | USA | |
| 15 (664) | Pacific Northwest National Laboratory | USA | |
| 16 (671) | Center for Biologics Evaluation and Research | USA | |
| 17 (699) | Center for Food Safety and Applied Nutrition | USA | |
| 18 (811) | Research Institute for Fragrance Materials | USA | |
| 19 (821) | U.S. Air Force | USA | |
|
