Martin Marietta Materials, Inc. engages in the provision of aggregates including crushed stone, sand, and gravel through its network of quarries and distribution yards. It operates through the following geographical segments: East Group and West Group. The East Group segments provide aggregates products only. The West Group offers aggregates, as well as cement and downstream products including mixed concrete, asphalt, and paving services. The company was founded in November 1993 and is headquartered in Raleigh, NC.