Definitions for "Allegheny Technologies"
Allegheny Technologies, Inc. is a specialty metals company headquartered in Pittsburgh, Pennsylvania, USA. It is the 17th largest employer in Allegheny County and one of the last "steel" companies with its headquarters in "The Steel City" and major manufacturing facilities remaining in the area (though most of its current business involves products other than steel). ATI is ranked #536 on the 2006 Fortune 1000 list.