Martin Marietta Materials, Inc. engages in the production and sale of aggregates for the construction industry in the United States, Canada, the Bahamas, and the Caribbean Islands. It operates in two segments, Aggregates and Specialty Products. The Aggregates segment engages in the mining, processing, and sale of granite, limestone, sand, gravel, and other aggregate products used in public infrastructure, commercial, and residential construction industries. This segment also involves in the asph ...