Join GMA today and invest in your future Influence and grow the geosynthetics market through membership in IFAI's Geosynthetic Materials Association. Access the industry's most comprehensive resources all year round. Advocate for legislation during annual lobby events. Read Geosynthetics magazine and stay informed. Visit IFAI.com/Geosynthetics to learn more Geosynthetic Materials Associationhttp://www.IFAI.com/Geosynthetics