Vulcan Materials Company is one of the leading producers of construction aggregates in the United States. Based in Birmingham, Ala., the company operates over 317 aggregate production and related facilities serving 21 states, the District of Columbia and the local markets surrounding its operations in the Bahamas and Mexico. The firm specializes in the manufacture of crushed stone, sand and gravel and other aggregates. It caters to the aggregate needs in the construction of publicly funded projects including highways, bridges, roads, airports, railroads, and water and sewer systems. Vulcan Materials Company s product line includes an array of asphalt and ready-mixed concrete, aggregates, cement and other construction products.