| 1 (60) | U.S. Department of Health and Human Services * | USA |  |
| 2 (94) | Lawrence Berkeley National Laboratory * | USA | |
| 3 (195) | National Aeronautics and Space Administration * | USA | |
| 4 (198) | Los Alamos National Laboratory * | USA | |
| 5 (264) | National Institute of Standards and Technology * | USA | |
| 6 (287) | Jet Propulsion Laboratory | USA | |
| 7 (289) | United States Department of Agriculture | USA | |
| 8 (305) | American Museum of Natural History | USA | |
| 9 (314) | United States Geological Survey | USA | |
| 10 (341) | Smithsonian Institution * | USA | |
| 11 (349) | Canadian Institute for Advance Research | CAN | |
| 12 (362) | National Oceanic and Atmospheric Administration | USA | |
| 13 (397) | World Bank United States | USA | |
| 14 (404) | Lawrence Livermore National Laboratory * | USA | |
| 15 (410) | U.S. Army * | USA | |
| 16 (435) | Smithsonian National Museum of Natural History | USA | |
| 17 (446) | National Research Council Canada * | CAN | |
| 18 (539) | Natural Resources Canada | CAN | |
| 19 (546) | Field Museum Natural History | USA | |
| 20 (548) | U.S. Air Force | USA | |
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