AIPEA

Association Internationale Pour l'Etude des Argiles
International Association for the study of clays
Internationale Vereinigung zum Studium der Tone

The Clay Minerals Society (USA)

European Clay Groups Association

Australian Regolith Geoscientists Association

Australian Society of Soil Science Incorporated

Cooperative Research Centre for Landscape Environments and Mineral Exploration (CRC LEME)

CSIRO Mineralogical Services