Vulcan Materials Co. engages in the production of construction aggregates. Its products include crushed stone, sand, and gravel. It operates through the following business segments: Aggregates, Asphalt, Concrete, and Calcium. The Aggregates segment produces and sells asphalt mix and ready-mixed concrete primarily in its mid-Atlantic, Georgia, Southwestern, Tennessee, and Western markets. The Asphalt segment relates to the production and selling of asphalt mix in Arizona, California, New Mexico, Tennessee, and Texas. The Concrete segment refers to the production and selling of ready-mixed concrete in California, Georgia, Maryland, New Mexico, Texas, Virginia, Washington D.C., and the Bahamas. The Calcium segment includes the production of calcium products for the animal feed, plastics, and water treatment industries with calcium carbonate material mined at the Brooksville quarry. The company was founded in 1909 and is headquartered in Birmingham, AL.