Allegheny Steel Company
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Allegheny Steel Company1939
Precursor to Allegheny Ludlum (1939-1996) and Allegheny Technologies (1996-present.)
In 1939 Allegheny Steel merged with Ludlum to create Allegheny Ludlum Corporation. In 1996 that company merged with Teledyne to form Allegheny Technologies.
6 results
Allegheny Steel Company
Willson
Allegheny Steel Company
Allegheny Steel Company