1. Western Washington University Bellingham WA USA
2. California Institute of Technology Pasadena CA USA
3. Arizona State University Tempe AZ USA
4. Jet Propulsion Laboratory Pasadena CA USA
5. Million Concepts Louisville KY USA
6. University of Arkansas Fayetteville AR USA
7. Purdue University West Lafayette IN USA
8. The Johns Hopkins University Applied Physics Laboratory Laurel MD USA
9. University of Maryland College Park MD USA
10. Niels Bohr Institute University of Copenhagen Copenhagen Denmark
11. Space Science Institute Boulder CO USA
12. Georgia Institute of Technology Atlanta Georgia United states
13. KBR, Inc Houston TX USA