The Slag Cement Association is an organization of companies that produce and ship slag cement in the United States; these shipments represent over 95% of all slag cement used in U.S. concrete. The SCA is the leading source of knowledge on blast furnace slag-based cementitious products. It promotes the increased use and acceptance of these products by educating customers, specifiers and other end-users on their varied attributes, benefits and applications. It strives to advance the state-of-the-art through increased knowledge and research. Website links to SCA's member companies are provided below. To locate slag cement suppliers in your area, contact your local member company sales office, or contact the SCA.