Essroc Italcementi Group is one of the leading manufacturers of cement and chemical admixtures in North America. The company has annual capacity of manufacturing more than 6.5 million metric tons of construction materials. It offers cement, brick, block and other masonry materials. Essroc Italcementi Group also specializes in air-entraining admixtures, corrosion inhibitors, fibers, water reducers, accelerators and plasticizers. The company provides products for the construction of retirement communities, museums, parks, libraries, universities, colleges, schools, bridges, highways and lifestyle centers. Headquartered in Nazareth, Pa., it operates production facilities throughout the United States, Canada and Puerto Rico. With one of its locations in Martinsburg, W.Va., Essroc Italcementi Group is owned and operated by Italcementi Group, which manufactures and distributes cement, aggregates and ready-mix concrete.