11 Stanwix Street, formerly known as the Westinghouse Tower, is one of the major distinctive and recognizable features of Downtown Pittsburgh, Pennsylvania in the United States. 11 Stanwix Street was completed on November 24, 1969, with twenty-three floors. It was originally built and named for the Westinghouse Corporation; in 1999, that company we…11 Stanwix Street, formerly known as the Westinghouse Tower, is one of the major distinctive and recognizable features of Downtown Pittsburgh, Pennsylvania in the United States. 11 Stanwix Street was completed on November 24, 1969, with twenty-three floors. It was originally built and named for the Westinghouse Corporation; in 1999, that company went through a restructuring and moved its headquarters to its longtime research park in the suburb of Monroeville, before expansions in their operations necessitated a move to a larger suburban complex in Cranberry Township.