Company Description (as filed with the SEC)
Martin Marietta Materials, Inc. (the “Company”) is the nation’s second largest producer of aggregates products (crushed stone, sand, and gravel) for the construction industry, including infrastructure, nonresidential, residential, railroad ballast, agricultural, and chemical grade stone used in environmental applications. The Company’s aggregates business also includes asphalt products, ready mixed concrete, and road paving operations. The Company also has a Specialty Products segment that manufactures and markets magnesia-based chemical products used in industrial, agricultural, and environmental applications, and dolomitic lime sold primarily to customers in the steel industry. In 2012, the Company’s Aggregates business accounted for 89% of the Company’s total net sales, and the Company’s Specialty Products segment accounted for 11% of the Company’s total net sales. ... More ...