Terra Firma Materials, LLC has been a producer of construction aggregates in the lower Rio Grande Valley since 2007. We produce crushed stone, sand, gravel, and aggregate based material – asphalt, RAP, and RAS. Terra Firma Materials is dedicated in building safe and reliable roads, sidewalks, and foundations by supplying the best products and services to our customers. Our employees are all trained in Federal OSHA and MSHA safety standards. Our staff maintains the highest degree of safety and is determined to help you maximize your investment.