American Buildings Company can put a roof over your head, quite literally. It manufactures metal buildings and roofing products for industrial, institutional, and commercial construction applications. American Buildings Company's products range from multi-story buildings and customized self-storage units to metal roof and wall panels. Its heavy fabrication capabilities include building custom-engineered steel mills, sports stadiums, and large aircraft maintenance hangars. American Buildings Company is a unit of steelmaker Nucor Corporation.