Martin Marietta is a leading supplier of construction materials, including aggregates, cement, ready mixed concrete, and asphalt. The company operates in 27 states and has over 400 facilities, serving customers in the construction, energy, and transportation industries. Martin Marietta is headquartered in Raleigh, North Carolina and was founded in 1993 through the merger of Martin Marietta Materials and the American Materials Company. The company has a strong commitment to sustainability and is focused on reducing its environmental impact through the use of alternative fuels and other initiatives. Martin Marietta is listed on the New York Stock Exchange under the ticker symbol MLM.