L'Air Liquide S.A. provides gases, technologies, and services for industrial and health sectors in Europe, the Americas, the Asia Pacific, the Middle East, and Africa. Its Gas & Services segment offers oxygen, nitrogen, argon, hydrogen, and carbon monoxide to the metals, chemicals, refining, and energy industries; and industrial gases, welding equipment, application and safety equipment, and related services to materials, energy, automotive, manufacturing, food, pharmaceuticals, technology, research, and professionals and retail markets. It also produces and distributes medical gases and devices, services, and hygiene products to hospitals and homecare patients; and develops therapeutic gases for resuscitation and pain relief. In addition, this segment produces and distributes healthcare specialty ingredients for the cosmetics, pharmaceutical, and vaccine markets; and provides ultra-pure carrier gases, electronics specialty materials, and advanced materials to manufacturers of semiconductors, flat panel displays, and solar cells. The company's Engineering & Construction segment designs, develops, and builds industrial gas production plants for third parties; and designs and manufactures plants in the traditional, renewable, and alternative energy sectors. Its Global Markets & Technologies segment focuses on markets relating to energy transition, maritime logistics, and scientific exploration; treats and injects biogas into the energy grid as power source; and commercializes technologies for space, aerospace, and scientific exploration. This segment also supplies gases for the offshore oil and gas platforms, offshore wind turbines, and cryogenic transportation. The company also produces biomethane for trucks fueled by bio natural gas. L'Air Liquide S.A. was founded in 1902 and is headquartered in Paris, France.