Founded in 1940 in Columbus, Ohio, The QUIKRETE Companies manufactures a line of concrete-related products for repairing broken concrete, patching and anchoring. Products include concrete and mortar mixes, concrete repair products, stucco, waterproofing, tile setting and blacktop products, floor underlayments, sand and aggregates and seasonal items. The company also designs and produces patented machinery to measure, blend and package products. The QUIKRETE Companies has more than 75 manufacturing facilities throughout the United States, Canada, Puerto Rico and South America. A fully accredited product testing, research and development and quality assurance center is located in Atlanta. The QUIKRETE Companies moved its corporate headquarters from Columbus, Ohio, to Atlanta, in 1981.