The Pitcairn Building was originally built as a regional center for a company that supplies what items?
Pitcairn Building (Philadelphia):  It was originally built as a regional distribution center for the Pittsburgh Plate Glass Company. PPG Industries: PPG Industries, Inc. is an American Fortune 500 company and global supplier of paints, coatings, specialty materials, and fiberglass.
paints, coatings, specialty materials, and fiberglass