PPG Industries, Inc. (PPG) is a global supplier of protective and decorative coatings. PPG operates in six business segments. The Performance Coatings, Industrial Coatings and Architectural Coatings-EMEA segments supply protective and decorative finishes for customers in a range of end use markets, including industrial equipment, appliances and packaging; factory-finished aluminum extrusions and steel and aluminum coils; marine and aircraft equipment; automotive original equipment; and other industrial and consumer products. The Optical and Specialty Materials segment consist of the optical products and silicas businesses. It is a producer and supplier of basic chemicals. Glass segment produces flat glass and continuous-strand fiber glass. The Glass business segment consists of the flat glass and fiber glass businesses. In January 2013, the combined company formed by uniting Georgia Gulf with PPG's former commodity chemicals business is named Axiall Corporation.