U.S. organization that aims to be "a leader in advancing the geosciences, enhancing the professional growth of its members, and promoting the geosciences in the service of humankind."
GIS facilitates the exchange of information in the geosciences through cooperation among scientists, librarians, editors, cartographers, educators, and information professionals.
International not-for-profit organization that works in sedimentology, stratigraphy, paleontology, environmental sciences, marine geology, hydrogeology, and other related specialties.