Martin Marietta Materials Inc.

Martin Marietta Materials is the second largest producer of construction aggregates used primarily for construction of highways and other infrastructure projects in the U.S., in certain green initiatives, including flue gas desulphurization, and in the domestic commercial and residential construction industries. Our Aggregates Business’ network of more than 285 quarries, distribution yards and plants spans coast to coast through 27 states, Canada, the Bahamas and the Caribbean Islands.