Vulcan Materials Company is the largest producer of construction aggregates in the United States, primarily supplying crushed stone, sand, and gravel. Headquartered in Birmingham, Alabama, the company also produces aggregates-based construction materials, including asphalt and ready-mixed concrete. Vulcan operates a vast network of quarries and facilities across the U.S., with additional operations in Mexico, Canada, and the Caribbean, serving infrastructure, commercial, and residential construction markets.
No material part of the business depends on any single customer; in 2025 the five largest customers accounted for approximately 7% of total revenues and no single customer accounted for more than 2% of total revenues.