1. Space Portal, NASA Ames Research Center, Moffett Field, California.
2. Department of Civil and Environmental Engineering and Earth Sciences, University of Notre Dame, Notre Dame, Indiana.
3. World View Enterprises, Tucson, Arizona.
4. Deltha-Critique, NASA Ames Research Center, Moffett Field, California.
5. Skycorp Incorporated, NASA Ames Research Park, Moffett Field, California.