Air Liquide S.A. is a French multinational company which supplies industrial gases and services to various industries ; this includes cryogenic propellants and cryogenic stages for launch vehicles.
Founded in 1902, it is currently (Nov. 2012) one of the world's largest suppliers of industrial gases by revenues, and has operations in over 80 countries. It is headquartered in Paris, France. It also has a major site in Japan, as well as in Houston, TX, and Newark, DE, USA.
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