| 1 (24) | SLAC National Accelerator Laboratory | USA |  |
| 2 (42) | Lawrence Berkeley National Laboratory * | USA | |
| 3 (113) | Oak Ridge National Laboratory | USA | |
| 4 (119) | Brookhaven National Laboratory * | USA | |
| 5 (131) | Argonne National Laboratory | USA | |
| 6 (151) | National Aeronautics and Space Administration * | USA | |
| 7 (178) | Lawrence Livermore National Laboratory * | USA | |
| 8 (246) | National Renewable Energy Laboratory | USA | |
| 9 (268) | NASA Ames Research Center | USA | |
| 10 (282) | NASA Langley Research Center | USA | |
| 11 (286) | National Institute of Standards and Technology * | USA | |
| 12 (332) | Sandia National Laboratories, New Mexico | USA | |
| 13 (333) | Los Alamos National Laboratory * | USA | |
| 14 (350) | Glenn Research Center | USA | |
| 15 (362) | National High Magnetic Field Laboratory | USA | |
| 16 (434) | U.S. Air Force | USA | |
| 17 (505) | Sandia National Laboratories, California | USA | |
| 18 (520) | NASA Goddard Space Flight Center | USA | |
| 19 (587) | Pacific Northwest National Laboratory | USA | |
| 20 (592) | Jet Propulsion Laboratory | USA | |
| 21 (669) | National Energy Technology Laboratory | USA | |
| 22 (726) | Ames Laboratory | USA | |
| 23 (737) | U.S. Army * | USA | |
| 24 (769) | US Naval Research Laboratory | USA | |
| 25 (813) | Space Telescope Science Institute | USA | |
| 26 (878) | NASA Marshall Space Flight Center | USA | |
| 27 (1211) | U.S. Department of Energy * | USA | |
| 28 (1237) | Idaho National Laboratory | USA | |
| 29 (1663) | Natural Resources Canada | CAN | |
| 30 (1735) | National Research Council Canada * | CAN | |
| 31 (1986) | United States Department of Agriculture | USA | |
| 32 (2364) | Princeton Plasma Physics Laboratory | USA | |
| 33 (2660) | Defence Research and Development Canada | CAN | |
|
