• Agenzia Spaziale Italiana
• Australian Commonwealth Scientific and Industrial Research Organisation (CSIRO)
• Australian Space
• Australian Department of Industry, Science and Tourism
• Austrian Academy of Sciences (IWF)
• Brazilian National Institute for Space Research
• British National Space Centre
• Canada Centre for Remote Sensing
• Canadian Space Agency
• Centre d'tudes et de Recherches de Toulouse (CERT)
• Centre for Earth Observation Programme (CEO)
• Centre National d'Etudes Spatiales (CNES)
• Comision Nacional de Actividades Espaciales (CONAE)
• Commission on the Future of the Unites States Aerospace Industry
• Consultative Committee for Space Data Systems (CCSDS)
• Danish Space Research Institute
• European Space Agency
• Eutelsat
• German Aerospace Research Establishment (DLR)
• Indian Space Research Organisation
• Institute of Space and Astronomical Science (ISAS)
• Inmarsat
• Intelsat
• Italian Aerospace Research Centre (CIRA)
• National Aeronautics and Space Administration (NASA)
• National Archive for EROS Data Center
• National Atmospheric and Oceanic Administration (NOAA)
• National Space Development Agency of Japan (NASDA)
• National Weather Service (of NOAA)
• Netherlands National Aerospace Laboratory (NLR)
• Netherlands Space Research Organization (SRON)
• Norwegian Space Centre
• Russian Aviation and Space Agency
• Swedish Institute of Space Physics
• Swedish Space Corporation
• U.K. Space Industry
• U.S. Commerce Department Office of Air and Space Commercialization (OASC)
• U.S.D.A. Foreign Agricultural Service, Product Estimates and Crop Assessment (Remote Sensing)
• U.S. FAA Office of Commercial Space Transportation
• U.S. Federal Aviation Administration (FAA)
• U.S. Federal Communications Commission (FCC)
• U.S. Geological Survey (USGS)
• U.S. Geological Survey's EROS Data Center (EDC)
• United Nations Office for Outer Space Affairs
• White House Office of Science and Technology Policy

We welcome your suggestions for additional sites to be added to our growing list of resources. Please send them to cfrazee@space.com for review and possible inclusion. Space News and SPACE.com retain full editorial control over what is listed on this site.