Vulcan Materials Company is a producer of construction aggregates (primarily crushed stone, sand and gravel) and a producer of asphalt mix and ready-mixed concrete. The Company has four segments organized around its principal product lines: Aggregates, Asphalt Mix, Concrete and Calcium. The Company operates approximately 344 aggregates facilities. The Aggregates segment produces and sells aggregates (crushed stone, sand and gravel, sand, and other aggregates) and related products and services (transportation and other). The Company has approximately 15.7 billion tons of permitted and proven or probable aggregates reserves. The Company produces and sells asphalt mix in Arizona, California, New Mexico and Texas. The Company produces and sells ready-mixed concrete in Georgia, Maryland, New Mexico, Texas, Virginia, Washington D.C. and the Bahamas. The Calcium segment consists of a Florida facility that mines, produces and sells calcium products.