NAGS, North American Geosynthetics Society,

TRB A2KO7, Transportation Research Board, Committee on Geosynthetics,

CGSGD, Canadian Geotechnical Society's Geosynthetics Division,

GRI, Geosynthetics Research Institute

ASTM American Society for Testing and Materials, D35, Committee on Geosynthetics

GI-CERF, Geo Institute - Civil Engineering Research Foundation http://www.cerf.org/ http://www.asce.org/gsd/geo_inst/geoinst.html http://www.ecgl.byu.edu/faculty/jonesn/asce/index.html

USUCGER, United State Universities Conducting Geotechnical Engineering Research