Praxair is a company that produces and distributes industrial gases. It specializes in atmospheric gases (oxygen, nitrogen, argon), process gases (carbon dioxide, helium, hydrogen), specialty gases, etc. Additionally, the company 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. Praxair merged with Linde Aktiengesellschaft to form Linde.