European Space Agency (ESA)

• European Space Research and Technology Centre (ESTEC)
• ESA Space Environments and Effects Analysis Section (TOS-EMA)
• ESA Science

National Aeronautics and Space Administration (NASA)

• Living with a star
• NASA Technical Standards Program
• NASA's Planetary photojournal
• Modeling Earth's Magnetosphere Using Spacecraft Magnetometer Data
• The space environment effects branch

National Oceanic and Atmospheric Administration (NOAA)

• Space Environment Center (SEC)
• Environmental Research Laboratories

Committee on Space Research (COSPAR)

International Association of Geomagnetism and Aeronomy (IAGA)

Inter-Agency Consultative Group (IACG)

Geospace Environment Modeling (GEM)

American Geophysical Union (AGU)

American Institute of Aeronautics and Astronautics (AIAA)

International Commission on Radiological Protection (ICRP)

Skobeltsyn Institute of Nuclear Physics, Moscow State University

Space Research Institute (IKI)

High energy physics at UCL

MIT Center for Theoretical Geo/Cosmo Plasma Physics

Mullard Space Science Laboratory

Max-Planck-Institut für Aeronomie

Paul Scherrer Institut

Air Force Research Laboratory, Hanscom AFB

The Aerospace Corporation

Southwest Research Institute

WWW Virtual Library: Remote Sensing

Finnish Meteorological Institute

Space Research Department of Paris Observatory

MIT Space Plasma Group

University of New Hampshire Space Science Group

NRL Solar Theory Section

Aurora Particles and Imagery

University of Michigan's Space Physics Research Laboratory

Boston University Center for Space Physics

Johns Hopkins University Applied Physics Laboratory Space Department

Solar-Terrestrial Physics Division of IZMIRAN