MARTIN MARIETTA MATERIALS INC

Martin Marietta is an American-based company and a leading supplier of building materials – including aggregates, cement, ready mixed concrete and asphalt. Through a network of operations spanning 27 states, Canada and the Bahamas, dedicated Martin Marietta teams supply the resources necessary for building the solid foundations.

Martin Marietta’s Magnesia Specialties business produces high-purity magnesia and dolomitic lime products used worldwide in environmental, industrial, agricultural and specialty applications.