Allegheny Technologies Inc. (ATI) is on a roll when it comes to producing metals. The company manufactures stainless and specialty steels, nickel- and cobalt-based alloys and superalloys, titanium and titanium alloys, tungsten materials, and such exotic alloys as niobium and zirconium. The company's flat-rolled products (sheet, strip, and plate) accounted for 47% of its sales in 2015. Its high-performance metals unit produces metal bar, coil, foil, ingot, plate, rod, and wire. ATI's largest markets include the aerospace, chemical process, and oil and gas industries.