The American Geosciences Institute recognizes the importance of relationships with many organizations which do not formally meet membership criteria. These are known as Liaison Organizations.
Australian Institute of Geoscientists (AIG)
The National Academies - Board on Earth Sciences and Resources (BESR)
Canadian Federation of Earth Sciences (CFES)
Center for Ocean Leadership (COL)
Earth Science Information Partners (ESIP)
International Union of Geological Sciences
U.S. Dept. of Energy (Geothermal Technologies Office)