Martin Marietta Magnesia Specialties

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Martin Marietta Magnesia Specialties is a division of Martin Marietta Materials, a leading producer of construction aggregates used primarily for construction of highways and other infrastructure projects in certain green initiatives, including flue gas desulphurization, and in the domestic commercial and residential construction industries. The company s aggregates business network of more than 285 quarries, distribution yards and plants spans coast to coast through 28 states, Canada, the Bahamas and the Caribbean Islands. Through its specialty products business, it also produces magnesia-based chemicals used in industrial, agricultural and environmental applications; dolomitic lime sold primarily to customers in the steel industry; and structural composite products. Martin Marietta Magnesia Specialties is located in Baltimore, Md.