Praxair, Inc. engages in the production, distribution, and sale of atmospheric and process gases, and surface coatings in North America, Europe, South America, and Asia. The company offers atmospheric gases, such as oxygen, nitrogen, argon, and rare gases; and process gases comprising carbon dioxide, helium, hydrogen, electronic gases, specialty gases, and acetylene. It also designs, engineers, and builds equipment that produces industrial gases; and manufactures precious metal and ceramic sputtering targets used primarily in the production of semiconductors. In addition, the company distributes welding equipment purchased from independent manufacturers. Further, it supplies surface coatings consisting of wear-resistant and high-temperature corrosion-resistant metallic and ceramic coatings and powders to the aircraft, energy, printing, textile, plastics, primary metals, petrochemical, and other industries; and provides electric arc, plasma and wire spray, and high-velocity oxygen fuel equipment. The company sells its products primarily through independent distributors. 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 industries. The company was founded in 1907 and is headquartered in Danbury, Connecticut.

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