Praxair Technology Inc. is a global Fortune 300 company that supplies atmospheric, process and specialty gases, high-performance coatings, and related services and technologies. Among the gases the company supplies are oxygen, nitrogen, argon, carbon dioxide, helium and hydrogen. It operates in more than 30 countries. The company's engineering division designs, engineers and constructs cryogenic and noncryogenic supply systems around the world. Praxair Technology Inc.'s subsidiary, Praxair Surface Technologies, applies metallic and ceramic coatings and powders to metal surfaces in order to resist wear, high temperatures and corrosion.