Heidelberg Materials North America (also known as Lehigh Hanson) is a company that produces and supplies building materials, including cement, aggregates, ready-mixed concrete, and asphalt. Its products include concrete pipe, stabilized materials, 3D printing materials, Spherix, slag cement, colored cement, and white cement. The company supplies materials to concrete producers, precast manufacturers, pipe and block producers, and the oil well industry in North America.