Martin Marietta Materials, Inc. is a leading producer of construction aggregates in the U.S., supplying granite, sandstone, limestone, sand and gravel for a wide range of infrastructure, commercial and residential applications. The company is also a leading producer of magnesia products.
Martin Marietta Aggregates offers a range of crushed stone and sand and gravel products. It is one of the leading producers of construction aggregate materials in the United States. The company provides products for road, sidewalk and foundation construction applications. Martin Marietta Aggregates also offers asphalt and concrete products. It operates more than 280 quarries and distribution...