Praxair, Inc. is an industrial gas supplier in North and South America, Asia and Europe. The Company's operations are organized into five segments, four of which have been determined on a geographic basis of segmentation: North America, Europe, South America and Asia. In addition, the Company operates its surface technologies business through its subsidiary, Praxair Surface Technologies, Inc., which represents the fifth segment. The Company's products in its industrial gases business include atmospheric gases (oxygen, nitrogen, argon, rare gases) and process gases (carbon dioxide, helium, hydrogen, electronic gases, specialty gases, acetylene). The Company also designs, engineers and builds equipment that produces industrial gases primarily for internal use. The Company's Surface Technologies segment, operated through Praxair Surface Technologies, Inc., supplies wear-resistant and high-temperature corrosion-resistant metallic and ceramic coatings and powders.