PPG Industries is an American global supplier of paints, coatings, optical products, specialty materials, chemicals, glass, and fiberglass. With headquarters in Pittsburgh, Pennsylvania, PPG operates in more than 70 countries around the globe. Sales in 2012 were $15.2 billion. It is headquartered in PPG Place, a popular office and retail complex in downtown Pittsburgh, Pennsylvania, and is known for its glass facade designed by Philip Johnson.