Praxair's products, services and technologies are used by almost 1 million customers in 40 countries. A Fortune 500 company, Praxair is the largest industrial gases supplier in North and South America, is rapidly growing in Asia, and has strong, well-established businesses in Southern Europe. Our primary products are oxygen, nitrogen, argon, helium, hydrogen, electronics gases and a wide range of specialty gases. A subsidiary, Praxair Surface Technologies, supplies high-performance coatings that protect metal parts from wear, corrosion and high heat. All together, Praxair serves approximately 25 industry segments as diverse as healthcare and steel making; computer-chip manufacture and beverage carbonation; fiber-optics and petroleum refining; and aerospace, chemicals and water treatment.