Sister Societies

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Sister Societies of the IGS

The IGS has a very well established and highly productive relationship and a strategic partnership with each of the societies listed below. Through Sister Society Agreements, possible collaboration in the areas of membership, publications, technical meetings, and various joint activities are promoted. If you are aware of sister society relationships that should be considered, or you would like to learn more about developing such a relationship, please contact the IGS Secretariat at

ASTM International Federation of International Geo-Engineering Societies (FedIGS) International Commission on Irrigation and Drainage (ICID) International Organization for Standardization (ISO) International Society for Soil Mechanics and Geotechnical Engineering (ISSMGE) Kyoto Landslide Commitment 2020 (KLC2020)