Air Liquide

Air Liquide is one of the world's largest industrial and medical gas producers (O2, N2, Ar, H2, CO2, He); Large Industries division operates air separation units, SMR hydrogen plants and pipeline networks; Engineering & Technologies designs ASUs, hydrogen liquefiers, cryogenic equipment (including CERN/ITER-class systems), turboexpanders, membranes, cold boxes and space cryogenics; also builds and operates PEM electrolyzers for green hydrogen.