Current 18 entities are contributing to GSICS coordination. The list is not exhaustive:
- China Meteorological Administration (CMA)
- Centre National d'Etudes Spatiales (CNES)
- European Space Agency (ESA)
- European Organization for the Exploitation of Meteorological Satellites (EUMETSAT)
- India Meteorological Department (IMD)
- Indian Space Research Organization (ISRO)
- Japan Aerospace Exploration Agency (JAXA)
- Japan Meteorological Agency (JMA)
- Korea Meteorological Administration (KMA)
- National Aeronautics and Space Administration (NASA)
- National Institute of Standards and Technology (NIST)
- National Oceanic and Atmospheric Administration (NOAA)
- The Roscosmos State Corporation for Space Activities (ROSCOSMOS)
- Russian Federal Service for Hydrometeorology and Environmental Monitoring (ROSHYDROMET)
- Shanghai Institute of Technical Physics (SITP,CAS)
- United States Geological Survey (USGS)
- World Meteorological Organization (WMO)
Associate member:
- Inter-satellite Calibration Working Group of the Global Precipitation Measurement Mission (GPM)
Observer: