| 1 (8) | National Oceanic and Atmospheric Administration | USA |  |
| 2 (10) | National Aeronautics and Space Administration * | USA | |
| 3 (16) | National Center for Atmospheric Research | USA | |
| 4 (26) | NASA Goddard Space Flight Center | USA | |
| 5 (39) | Jet Propulsion Laboratory | USA | |
| 6 (82) | NASA Langley Research Center | USA | |
| 7 (90) | Pacific Northwest National Laboratory * | USA | |
| 8 (112) | US Environmental Protection Agency | USA | |
| 9 (154) | NASA Goddard Institute for Space Studies | USA | |
| 10 (162) | Lawrence Berkeley National Laboratory * | USA | |
| 11 (171) | United States Department of Agriculture | USA | |
| 12 (203) | United States Geological Survey | USA | |
| 13 (217) | NASA Stennis Space Center | USA | |
| 14 (233) | NASA Ames Research Center | USA | |
| 15 (260) | Oak Ridge National Laboratory | USA | |
| 16 (266) | Smithsonian Institution * | USA | |
| 17 (318) | NASA Marshall Space Flight Center | USA | |
| 18 (346) | U.S. Army * | USA | |
| 19 (360) | Brookhaven National Laboratory * | USA | |
| 20 (374) | National Institute of Standards and Technology * | USA | |
| 21 (457) | Argonne National Laboratory * | USA | |
| 22 (500) | US Naval Research Laboratory | USA | |
| 23 (587) | National Renewable Energy Laboratory | USA | |
| 24 (589) | Lawrence Livermore National Laboratory * | USA | |
| 25 (610) | Los Alamos National Laboratory * | USA | |
| 26 (825) | Bay Area Environmental Research Institute | USA | |
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