Martin Marietta is a U.S.-based building materials company and a leading supplier of construction materials used in infrastructure, commercial, and residential projects. The company’s primary products include aggregates (crushed stone, sand, and gravel), cement, ready-mixed concrete, and asphalt, supported by a network of more than 500 facilities across 28 states, Canada, and the Bahamas.
Martin Marietta materials are used in the construction and maintenance of roads, bridges, buildings, and other essential infrastructure, serving contractors, developers, and public agencies nationwide.
In the Rocky Mountain region, Martin Marietta serves customers through facilities near Cheyenne, Wyoming, including the Granite Canyon Quarry in Granite Canyon, WY, as well as multiple Northern Colorado locations supporting the Front Range, including operations in Greeley, Milliken, and Fort Collins, supplying materials for local and regional construction projects.