Martin Marietta supplies crushed granite, crushed limestone, sand, and gravel in Minnesota, Iowa, and 26 additional states for use in a wide range of infrastructure, commercial and residential applications. Martin Marietta Aggregates combines strategic locations, competitive pricing, technical support, and dedicated employees who are committed to quality products and superior customer service to distinguish the company as an aggregates industry leader that customers can depend on. The composites division of Martin Marietta is a supplier of fiber-reinforced polymer products for use in infrastructure and transportation applications, namely bridge decks, specialty truck trailer, and railcar components.
