Wolff Paul M Company, 3801 E Wier Ave, Phoenix, AZ 85040, US

Originally founded in 1907, Praxair Inc. is a global, Fortune 300 company that supplies atmospheric, process and specialty gases, high-performance coatings, and related services and technologies. It is the first company in North America to commercialize cryogenically separated oxygen. The company offers a wide range of products, such as oxygen, nitrogen, argon, carbon dioxide, helium, hydrogen, semiconductor process gases, and acetylene among others. In addition, Praxair Inc. designs, engineers and constructs cryogenic and non-cryogenic supply systems. The company serves a wide range of industries that include aerospace, food and beverages, healthcare, semiconductors, chemicals, refining, oil and gas production, primary metals and metal fabrication, as well as other areas of general industry.