Tarmac Dene Quarry Quarry supplies a range of high quality aggregate products to builders, contractors and landscapers working on small, medium and large sized projects in Cromford and the surrounding areas. As the leading construction materials business in the UK our team have unrivaled knowledge and expertise. Tarmac offer solutions that deliver durable and effective results and pride themselves on being easy to do business with. Safety is core and begins with a commitment to provide a safe environment for employees and extends to everyone that has contact with the business. Tarmac are also part of CRH plc, a worldwide leader in building materials. Please call today for a quote or to place an order.