International Association of Geodesy (IAG). Link

International Union of Geodesy and Geophysics (IUGG). Link

International Astronomical Union (IAU). Link

International GPS Service for Geodynamics (IGS). Link

International Earth Rotation Service (IERS). Link

International Federation of Surveyors (FIG). Link

International Centre for Global Earth Models (ICGEM). Link

Jet Propulsion Laboratory (JPL)NASA. Link

ESA gravity mission GOCE. Link

American Geophysical Union (AGU). Link

European Union of Geosciences (EUG). Link

National Oceanic and Atmospheric Administration (NOAA). Link

Geoscience Australia . Link

German Research Centre for Geosciences (GFZ) . Link

CODE: products in international formats. Link

Geodesy and Geodynamic at Institute of Geodesy and Cartography (IGiK). Link

Geodesy division at Royal Institute of Technology (KTH). Link

UNAVCO academic and research community. Link

Department of Geodesy and Geomatics Engineering at UNB. Link

Department of Geomatics Engineering at the University of Calgary. Link

Faculty Aerospace Engineering at Delft. Link

Institute for Astronomical and Physical Geodesy at TU Munich(IAPG). Link

Institute for Geodesy and Geoinformation at Bonn (IGG). Link

Division of Geodetic Science at Ohio. Link

Institute of Engineering Geodesy and Measurement Systems at TU Graz. Link

Institute of Theoretical Geodesy and Satellite Geodesy at TU Graz. Link

Institute of Geodesy and Geophysics at TU Vienna. Link

Faculty of Geo-Information Science and Earth Observation (ITC). Link