Guaranteed Supply Company provides a wide range of building and construction materials throughout Virginia, North Carolina and South Carolina. Its product range includes a variety of concrete, masonry and waterproofing materials and finishes. It was established in 1964 by E.J. Sachs and Allan Ward. The company provides various products, such as bolt cutters, brick trowels, cement and caulking guns. Guaranteed Supply Company also offers angle grinders, drills, hammerdrills, rotary hammers and cordless tools. Its product range also includes concrete adhesives and admixtures, construction sealants and sprayers, liquid hardeners, and concrete textural mats and rollers. Guaranteed Supply Company offers products of various manufactures, including Sonneborn, Chapin, Franmar, Holnam and Aquafin. It is located in Greensboro, N.C.