Nashville, Tennessee. AGG1 is the leading aggregate exposition and educational resource brings together decision-makers and buyers from companies that produce crushed stone, sand and gravel in the marketplace. Sponsored by the National Stone, Sand & Gravel Association, AGG1 education tracks include sessions on operations, automation, safety and business management. Workshops include strategic sales training and basic supervisory training. The show is co-located with the World of Asphalt Show & Conference focusing in-depth, industry-focused programming in the asphalt industry.