Hanson Aggregates, affiliated with Hanson, is one of the world s leading heavy building materials companies. The company is among the largest producers of aggregates, which include crushed rock, sand and gravel, and one of the world s largest producers of concrete products, clay bricks and ready-mixed concrete. Its other principal products include asphalt and concrete roof tiles. Headquartered in London, Hanson has locations in Europe, North America, Australia and Asia Pacific. The company operates through six divisions: Hanson Aggregates North America, Hanson Building Products North America, Hanson Aggregates UK, Hanson Building Products UK, Hanson Australia & Asia Pacific and Hanson Continental Europe. Hanson Aggregates is located in cities such as Jamesville, N.Y.