Carolina Quality Concrete Co, 1515 Holly Grove Rd, Lexington, NC 27292, US

Located in Charlotte, N.C., Vulcan Materials Co. provides the United States with infrastructure materials. The company is one of the nation's leading producers of construction aggregates, which includes crushed stone, sand and gravel. It is also one of the major producers of other construction materials including asphalt and ready-mixed concrete and cement. Most of the company s products are used to build and maintain publicly funded projects including highways, bridges, roads, airports, railroads, and water and sewer systems.