Praxair, Inc. produces and distributes industrial gases. It operates through five segments: North America, Europe, South America, Asia, and Surface Technologies. The company offers atmospheric gases, including oxygen, nitrogen, argon, and rare gases; and process gases, such as carbon dioxide, helium, hydrogen, electronic gases, specialty gases, and acetylene. It also supplies wear-resistant and high-temperature corrosion-resistant metallic and ceramic coatings and powders to the aircraft, energy, printing, primary metals, petrochemical, textile, and other industries. In addition, the company offers electric arc, plasma and wire spray, and high-velocity oxy-fuel equipment; and distributes hardgoods and welding equipment purchased from independent manufacturers. It serves various industries, such as healthcare, petroleum refining, manufacturing, food, beverage carbonation, fiber-optics, steel making, aerospace, chemicals, and water treatment. Praxair, Inc. was founded in 1907 and is headquartered in Danbury, Connecticut.