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Vulcan Materials Company is the nation`s largest producer of construction aggregates, primarily crushed stone, sand and gravel, and a major producer of other construction materials including asphalt and ready-mixed concrete. Based in Birmingham, Alabama, Vulcan operates aggregate facilities, serving markets in 20 states, the District of Columbia, Mexico and the Bahamas, and employing over 8,000 dedicated men and women.
Windsor Rock Products is a Salem, OR-based company in the Agriculture and Mining sector.
David F Briggs is a Tucson, AZ-based company in the Agriculture and Mining sector.
Classic Marble and Stone Inc is a Hoagland, IN-based company in the Agriculture and Mining sector.
First Quantum Minerals Ltd. is a global mining company producing copper and nickel, as well as gold and cobalt. Our growing portfolio of operations and projects spans four continents and employs around 20,000 people.