Martin Marietta Materials, Inc.†

Abstract

Earth & Rock Mining (MIC: SIC: 1481 NAIC: 213115)

Martin Marietta Materials is a producer of aggregates for the construction industry, including infrastructure, commercial, agricultural, and residential. As of Dec 31 2007, Co.'s aggregates, asphalt products, and ready mixed concrete are sold and shipped from a network of approximately 287 quarries, underground mines, distribution facilities, and plants in 28 states, Canada, and the Bahamas. Co. operates through four reportable business segments: the Mideast Group, Southeast Group, and West Group, comprising the Aggregates business, and the Specialty Products segment, which manufactures and markets magnesia-based chemical products, dolomitic lime, and structural composite products.