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Vulcan Materials is the largest US producer of construction aggregates — the crushed stone, sand and gravel under nearly every road, bridge, runway and building. From hundreds of local quarries it also makes the asphalt mix and ready-mixed concrete those aggregates go into, selling almost entirely to American highway, infrastructure and building projects. Heavy, low-value and expensive to ship, aggregates give Vulcan durable local pricing power, and it has rolled up dozens of rivals — from Florida Rock to U.S. Concrete — over two decades.

What Vulcan Materials really sells

Vulcan Materials is the largest US producer of construction aggregates — the crushed stone, sand and gravel under nearly every road, bridge, runway and building. From hundreds of local quarries it also makes the asphalt mix and ready-mixed concrete those aggregates go into, selling almost entirely to American highway, infrastructure and building projects. Heavy, low-value and expensive to ship, aggregates give Vulcan durable local pricing power, and it has rolled up dozens of rivals — from Florida Rock to U.S. Concrete — over two decades.

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