Allegheny Technologies Incorporated (ATI) is a global manufacturer of specialty materials and complex components, serving aerospace, defense, oil and gas, chemical processing, medical and other industrial end markets. The company operates through two main segments: High Performance Materials & Components, which produces titanium and nickel-based alloys, stainless and specialty steels, and precision forgings; and Flat-Rolled Products, which supplies stainless steel, nickel and specialty alloy sheet, strip and precision-rolled plate. ATI’s offerings are designed to meet demanding performance requirements, including high strength, corrosion resistance and durability under extreme temperatures.
Headquartered in Pittsburgh, Pennsylvania, ATI maintains production facilities and sales offices across North America, Europe and the Asia-Pacific region. The company’s global footprint enables it to provide tailored technical support and supply chain solutions to leading aircraft and engine manufacturers, oilfield services firms, chemical processors and automotive producers. Through its network of manufacturing sites, ATI emphasizes integrated logistics and customer-driven innovation.
ATI traces its origins to Allegheny Ludlum, a specialty steel producer founded in the early 20th century, and was later reorganized as a standalone public company following its merger with Teledyne in the mid-1990s and subsequent spin-off in 1999. Since then, ATI has pursued strategic investments and acquisitions to broaden its material science expertise, expand capacity and enhance product offerings across its end markets.
Robert S. Wetherbee Jr., president and chief executive officer since 2017, leads a management team focused on operational excellence, innovation and sustainability. Under his direction, ATI continues to invest in research and development, next-generation manufacturing technologies and environmental initiatives aimed at reducing emissions, optimizing resource use and improving the performance of its specialty materials.
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