Oldcastle is one of the world s leading manufacturers of building products and materials in North America. The company has operations in more than 1,900 locations. It has a staff of over 45,000 employees. Oldcastle is comprised of several units, such as Oldcastle Materials, Oldcastle Architectural, Oldcastle Glass, Oldcastle Distribution, and Oldcastle Construction Accessories. The company, through its subsidiary, Oldcastle Precast, offers a range of plastic products and precast and polymer concrete materials in the United States. Its subsidiaries provide a variety of valve boxes under the Carson, FIBERLYTE, CHRISTY and BROOKS brands. Oldcastle s subsidiaries offer roofing materials, windows, doors and coatings. The company is a part of CRH, which is a publicly traded business.