International Organizations
- International Association of Geodesy (IAG)
- International Union of Geodesy and Geophysics (IUGG)
- Fédération Internationale des Géomètres (FIG)
- European Petroleum Survey Group (EPSG) (which despite being officially disbanded in 2005 continues to refine a well tested set of Geodetic Parameters)
- International Geodetic Student Organisation (IGSO)
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