1 (121) | Argonne National Laboratory * | USA | ![]() | |
2 (131) | Oak Ridge National Laboratory | USA | ![]() | |
3 (138) | National Renewable Energy Laboratory | USA | ![]() | |
4 (217) | Sandia National Laboratories, New Mexico | USA | ![]() | |
5 (509) | Sandia National Laboratories, California | USA | ![]() | |
6 (635) | U.S. Army * | USA | ![]() | |