The International Geosynthetics Society is a non-profit organization dedicated to the scientific and engineering development of geosynthetics and associated technologies. Geosynthetics are synthetic products used in civil engineering, such as fabrics (geotextiles), flexible membranes (geomembranes), etc. The IGS has 2279 individual members and 128 corporate members from 68 countries, as well as 156 student members. There are 31 national or regional chapters of the IGS representing 94% of the membership. The membership includes those who are involved in the teaching, design, manufacture, sale, use or testing of geosynthetics.

The IGS publishes a newsletter and promotes the dissemination of technical information on geosynthetics through its two official journals, available to all IGS Members on-line, free of charge. The IGS provides a forum for the exchange of ideas through communications at IGS Conferences and IGS supported events. The IGS offers awards and student awards for excellence in achievement. The IGSNews regularly presents information and instructions on the several award programs conducted by the IGS. Please see the current issues of the IGS News - IGS Chapters are encouraged to make their members and student members aware of the opportunities offered by the current IGS Award periods.