If you need some new materials for your home and castle, Oldcastle Materials would be glad to help. A US subsidiary of international building materials group CRH, Oldcastle Materials operates more than 640 aggregate production facilities, more than 450 asphalt plants, and some 280 ready-mix concrete facilities. It produces more than 120 million tons of aggregates, 40 million tons of asphalt, and some 7 million cu. yd. of ready-mix concrete annually. The company also supplies building materials and architectural glass, and performs paving and construction services. Clients include commercial construction companies, federal agencies, municipalities, and residential customers.