Established in 1909, Vulcan Materials Company is one of the leading aggregates producers in the United States. Based in Birmingham, Ala., the company provides an array of construction aggregates, such as crushed stone, sand and gravel used in nearly all forms of construction. It is also one of the leading producers of cement in Florida. Additionally, the company produces other construction materials, including asphalt and ready-mixed concrete. The company operates more than 300 aggregates plants and other production and distribution facilities.