Letter to the editor: Reflecting on ATI's storied history
Allegheny Technologies (ATI) has been a steady footprint in the area since 1924 with its first patent to commercialize stainless steel. The company started as Allegheny Steel & Iron in Brackenridge, then, in 1938, merged with Ludlum Steel in Watervliet, N.Y., and became Allegheny Ludlum. Headquarters stayed in Pittsburgh for...