Insteel Industries Inc. manufactures steel wire reinforcing products for concrete construction and is described as the nation’s largest manufacturer in this category. Founded from a Mount Airy, North Carolina concrete business acquired in 1953, it entered the wire products business in 1974 and now operates manufacturing facilities across the United States. Its products are sold primarily to concrete-product manufacturers and contractors, especially for nonresidential construction.
ASTM A1064
ASTM A881
ASTM A821
ASTM A648