Founded in 1964, Hanson is one of the largest suppliers of heavy building materials worldwide. The company produces crushed rocks, sand and gravel. It also provides a range of building products, including concrete pipes, pavers, tiles and clay bricks for the construction industry. Hanson also offers ready-mixed and precast concrete, asphalt and cement-related materials. The company provides concrete and aircrete blocks and wall cladding systems. It also offers handscape and clay roofing products, bricks and roof tiles. The company is a part of HeidelbergCement Group, which employs more than 68,000 people who produces cement, concrete and heavy building products.