| 1 (246) | US Food and Drug Administration | USA |  |
| 2 (320) | National Institute of Standards and Technology * | USA | |
| 3 (415) | Center for Devices and Radiological Health | USA | |
| 4 (475) | U.S. Army * | USA | |
| 5 (499) | Douglas Mental Health University Institute | CAN | |
| 6 (501) | National Aeronautics and Space Administration * | USA | |
| 7 (502) | Lawrence Berkeley National Laboratory * | USA | |
| 8 (512) | Los Alamos National Laboratory * | USA | |
| 9 (552) | Oak Ridge National Laboratory | USA | |
| 10 (612) | National Research Council Canada * | CAN | |
| 11 (735) | Nemours Children's Health System | USA | |
| 12 (795) | U.S. Air Force | USA | |
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