Invest in Your Future Join GMA Today! Influence and grow the geosynthetics market through membership in ATA's Geosynthetic Materials Association. > Access the industry's most comprehensive resources all year round. > Advocate for your industry at the federal and state level. > Read Geosynthetics magazine and stay informed. Visit Textiles.org/Geosynthetics to learn more.http://www.Textiles.org/Geosynthetics