Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. PPG Industries (NYSE: PPG) is a global supplier of paints, coatings, optical products, specialty materials, chemicals, glass and fiber glass. With headquarters in Pittsburgh, Pennsylvania, PPG operates in more than 60 countries around the globe. Sales in 2010 were $13.4 billion. PPG is also the world's third largest producer of chlorine and caustic soda (used in a wide variety of industrial applications), vinyl chloride (for use in polyvinyl chloride resins), and chlorinated solvents. 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.