| 1 (25) | U.S. Department of Health and Human Services * | USA |  | |
| 2 (391) | Oregon Research Institute | USA | | |
| 3 (416) | Douglas Mental Health University Institute | CAN | | |
| 4 (486) | U.S. Army * | USA | | |
| 5 (556) | United States Department of Agriculture | USA | | |
| 6 (565) | U.S. Air Force | USA | | |
| 7 (571) | US Food and Drug Administration | USA | | |
| 8 (617) | Nemours Children's Health System | USA | | |
| 9 (619) | National Aeronautics and Space Administration * | USA | | |
| 10 (784) | Westat Corp | USA | |
