Hanson Aggregates is a producer of aggregates and building materials. The company offers crushed stone, sand, gravel, and asphalt products, as well as ready-mixed concrete and paving services. Hanson Aggregates operates in the United States, Canada, and the United Kingdom. The company is a subsidiary of HeidelbergCement, a German multinational building materials company. HeidelbergCement is one of the world's largest building materials companies, with operations in more than 40 countries.