Pick one category for the following text. The options are - company, educational institution, artist, athlete, office holder, mean of transportation, building, natural place, village, animal, plant, album, film or written work. Hanson plc - Hanson plc (formerly Hanson Trust plc) is a British-based international building materials company headquartered in Maidenhead. Traded on the London Stock Exchange and a constituent of the FTSE 100 Index for many years the company was acquired by a division of German rival HeidelbergCement in August 2007.
Company