AISI serves as the voice of the North American steel industry in the public policy arena and advances the case for steel in the marketplace as the preferred material of choice. AISI also plays a lead role in the development and application of new steels and steelmaking technology. AISI is comprised of 24 member companies, including integrated and electric furnace steelmakers, and 123 associate and affiliate members who are suppliers to our customers of the steel industry. AISI's member companies represent approximately 80 percent of both U.S. and North American steel capacity. For more news about steel and its applications, view AISI’s website at www.steel.org.
United States A. Finkl & Sons Co. AK Steel Corporation ArcelorMittal USA California Steel Industries, Inc. Cliffs Natural Resources, Inc. DTE Energy Services EVRAZ North America Gerdau Long Steel North America Harsco Metals & Minerals Nucor Corporation Severstal North America SSAB Americas The Timken Company ThyssenKrupp Steel USA United States Steel Corporation USS-POSCO Industries
Canada ArcelorMittal Dofasco Ivaco Rolling Mills 2004 L.P. Mexican Members Altos Hornos de Mexico S.A. ArcelorMittal Mexico Deacero S.A. de C.V. Tenaris Tamsa Ternium Mexico Others Compania Siderurgica Huachipato S.A.