Heidelberg Materials UK (formerly Hanson UK) is a leading supplier of lower carbon heavy building materials to the construction industry. We produce aggregates (crushed rock, sand and gravel), asphalt, cement, concrete and recycled materials. Our principal markets are the major conurbations in England and Wales and the central belt of Scotland. We employ around 3,500 people in jobs ranging from specialist and professional managers through to production operatives.We are part of Heidelberg Materials, one of the world's largest integrated manufacturers of building materials and solutions with leading market positions in cement, aggregates and ready-mixed concrete . The Group is represented in more than 50 countries with around 51,000 employees at almost 3,000 locations.