• Science Systems and Applications, Inc. (SSAI), Langley, VA under contract to NASA
  • George Mason University, Center for Spatial Information Science and Systems, Fairfax, VA, under contract to NOAA
  • The Federal Geographic Data Clearinghouse, U. S. Geological Survey, Reston, VA
  • Open Geospatial Consortium, Wayland, MA
  • The World Intellectual Property Organization, Geneva, Switzerland
  • The Virginia Geographic Information System, Richmond, VA
  • Raytheon Technical Services Company, Lanham, MD
  • Global Science and Technologies, Inc., Greenbelt, MD
  • SGT, Inc., Greenbelt, MD
  • The Optical Society of America, Washington, DC
  • The World Bank, Washington, DC
  • Elsevier Science, Inc., New York, NY
  • Cambridge University Press, New York, NY
  • US Patent & Trademark Office, Washington, DC
  • Pilot Research Associates, Vienna, VA
  • Clearinghouse for Networked Information Discovery and Retrieval (CNIDR), MCNC, Research Triangle Park, NC
  • American Astronomical Society, Washington, DC
  • ferberts associates, Oracle, AZ
  • Space Telescope Science Institute, Baltimore, MD
  • Hughes STX, Greenbelt, MD
  • American Physical Society, College Park, MD
  • Canadian Space Agency, Washington, DC
  • ARInternet Corp., Landover, MD
  • UUCOM, Inc, Alexandria, VA
  • NASA Planetary Data System Small Bodies Node, Department of Astronomy, University of Maryland