Erosion Control Technology Council (ECTC)
European Geomembranes Association (EGMA)
Fabricated Geomembrane Institute
Geosynthetic Research Institute (GRI)
Geosynthetic Materials Association (GMA)
geosynthetica.net
Geosynthetics Magazine
Industrial Fabrics Association International (IFAI)
International Association of Geosynthetic
Installers (IAGI)
International Erosion Control Association (IECA)
International Geosynthetics Society
(IGS)
North American Geosynthetics Society (NAGS)
University of Wisconsin-Madison
University of Delaware & ADAMA
Engineering