| 1 (76) | U.S. Department of Energy * | USA |  | |
| 2 (92) | Oak Ridge Institute for Science and Education | USA | | |
| 3 (128) | United States Department of Agriculture | USA | | |
| 4 (160) | US Food and Drug Administration | USA | | |
| 5 (517) | US Environmental Protection Agency | USA | | |
| 6 (691) | HealthPartners Research Foundation | USA | | |
| 7 (855) | U.S. Army * | USA | | |
| 8 (910) | Center for Drug Evaluation & Research | USA | | |
| 9 (1008) | Westat Corp | USA | |
