| 1 (8) | United States Department of Agriculture | USA |  |
| 2 (41) | Smithsonian Institution * | USA | |
| 3 (81) | United States Geological Survey | USA | |
| 4 (215) | U.S. Department of Energy * | USA | |
| 5 (220) | Smithsonian National Museum of Natural History | USA | |
| 6 (295) | Oak Ridge Institute for Science and Education | USA | |
| 7 (371) | Smithsonian Conservation Biology Institute | USA | |
| 8 (399) | United States Fish and Wildlife Service | USA | |
| 9 (411) | National Oceanic and Atmospheric Administration | USA | |
| 10 (524) | American Museum of Natural History | USA | |
| 11 (865) | Field Museum Natural History | USA | |
| 12 (1174) | Natural History Museum of los Angeles County | USA | |
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