Martin Marietta Materials

Martin Marietta Materials is a leading American supplier of aggregates and heavy building materials, primarily serving the construction industry. The company's core product portfolio includes crushed stone, sand, gravel, cement, and ready-mixed concrete used in infrastructure and commercial projects. Beyond construction, the company operates a Magnesia Specialties division that produces high-purity magnesium oxide and magnesium hydroxide. These chemical products serve diverse sectors, including environmental, industrial, and pharmaceutical markets. In the healthcare space, their magnesium derivatives are utilized as active ingredients in antacids and laxatives, as well as in nutritional supplements. Headquartered in Raleigh, North Carolina, Martin Marietta is a member of the S&P 500 Index and operates across the United States, Canada, and the Bahamas.