| 1 (64) | United States Department of Agriculture | USA |  |
| 2 (74) | U.S. Army * | USA | |
| 3 (104) | US Food and Drug Administration | USA | |
| 4 (191) | National Research Council Canada * | CAN | |
| 5 (273) | Center for Biologics Evaluation and Research | USA | |
| 6 (384) | United States Geological Survey | USA | |
| 7 (386) | U.S. Department of Energy * | USA | |
| 8 (411) | Los Alamos National Laboratory * | USA | |
| 9 (420) | Center for Drug Evaluation & Research | USA | |
| 10 (498) | Oak Ridge Institute for Science and Education | USA | |
| 11 (562) | Westat Corp | USA | |
| 12 (597) | U.S. Air Force | USA | |
| 13 (641) | Agriculture and Agri-Food Canada | CAN | |
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