Martin Marietta Materials, Inc. is a natural resource-based building materials company, which engages in the provision of aggregates including crushed stone, sand, and gravel through its network of quarries and distribution yards. It operates through the East Group and West Group segments. The East Group segment offers aggregates and asphalt products. The West Group segment focuses on aggregates, cement, downstream products, and paving services. The company was founded on November 12, 1993 and is headquartered in Raleigh, NC.