Praxair, Inc. engages in the production and distribution of industrial gases worldwide. Its products include atmospheric gases, including oxygen, nitrogen, argon, and rare gases; and process gases, such as carbon dioxide, helium, hydrogen, electronic gases, specialty gases, and acetylene. The company also designs, engineers, and builds equipment that produces industrial gases. Praxair also manufactures precious metal and ceramic sputtering targets used primarily in the production of semiconductors. Its surface technologies supply wear-resistant and high-temperature corrosion-resistant metallic and ceramic coatings, and powders to the aircraft, printing, textile, plastics, primary metals, petrochemical, and other industries. The company also provides aircraft engine and airframe component overhaul services, and manufactures electric arc, plasma, and oxygen fuel spray equipment, as well as arc and flame wire equipment used in wear resistant coatings. It serves various industries, including healthcare and petroleum refining; computer-chip manufacturing and beverage carbonation; fiber-optics and steel making; and aerospace, chemicals, and water treatment. Praxair was founded in 1907 and is headquartered in Danbury, Connecticut.