Vulcan Materials Company is a company, which provides infrastructure materials for the American economy. Located in Corona, the company is one of the largest producers of construction aggregates. It is also a leading producer of other construction materials, such as asphalt, ready-mixed concrete and cement in Florida. The company manufactures aggregates, primarily crushed stone, sand and gravel, that are used in all construction activities. These materials are used in construction projects, such as highways, water and sewer systems, industrial manufacturing facilities and nonresidential properties.