Praxair, Inc. is an industrial gas supplier in North and South America. It designs, engineers, manufactures and operates facilities that produce and distribute industrial gases. The company's primary products are oxygen, hydrogen, nitrogen, argon, carbon dioxide, helium, electronic gases and a range of specialty gases. It operates through five segments: North America, Europe, South America, Asia and Surface Technologies. Praxair's operations consist of two major product lines: Industrial gases and Surface technologies. The Industrial Gases product line centers on the manufacturing and distribution of atmospheric gases and process gases. The Surface Technologies segment supplies wear-resistant and high-temperature corrosion-resistant metallic and ceramic coatings and powders. Praxair was founded in 1907 and is headquartered in Danbury, CT.