Defense Advanced Research Projects Agency (DARPA)
Defense Evaluation and Research Agency (DERA), UK
Defense Research Establishment Ottawa (DREO), Canada
Defense Science and Technology Organisation (DSTO), Australia
Environmental Protection Agency (EPA)
Missle Defense Agency (MDA)
Missile Space Inteligence Command (MSIC)
National Aeronautics and Space Administration (NASA)
National Imagery and Mapping Agency (NIMA)
Night Vision Laboratory, Ft. Belvoir
Space Applications International Corp. (SAIC)
Space and Naval Warfare Systems Command (SPAWAR)
U.S. Geological Survey (USGS)