We are a proud producer of top quality Portland and masonry cements. Located in Harleyville, South Carolina, Giant provides the materials for highways, bridges and buildings. Giant helped to build Interstate 26, the Mark Clark Expressway, the University of South Carolina, and many other important construction projects. Our goal is to provide our customers with the highest quality product and service available from our new modern facility which has a production capacity of 3,500 tons per day.