L'Air Liquide S.A. is a world leader in gases, technologies and services for industry and health; it produces, markets and sells industrial gases including oxygen, nitrogen and hydrogen, medical gases, specialty gases, as well as welding, diving and technical-medical equipment; the company operates through Gas & Services, Engineering & Construction, and Global Markets & Technologies segments, serving sectors such as steel, energy, chemicals, automotive, aeronautics, food processing, pharmaceuticals, electronics and manufacturing. Founded in 1902 and headquartered in Paris, France, L'Air Liquide maintains operations in approximately 72 to 80 countries across Europe, the Americas, Asia Pacific, the Middle East and Africa, with around 67,800 employees worldwide. Recent developments include the August 2025 announcement of exclusive talks to acquire South Korea's DIG Airgas for over $3.3 billion, financed by a €2.15 billion bond issuance in October 2025; investments exceeding €500 million in 2025 for expansions such as up to $850 million in oxygen production for ExxonMobil's low-carbon hydrogen project in Baytown, Texas, €110 million subsidy-backed low-carbon hydrogen network in Antwerp-Bruges, Belgium, and nearly $50 million in U.S. Gulf Coast hydrogen infrastructure upgrades; formation of the TEAL joint venture with TotalEnergies to deploy over 100 hydrogen refueling stations in Europe; divestiture of 12 subsidiaries in West and Central Africa and the Indian Ocean to Adenia Partners in 2024; and long-term power purchase agreements with Iberdrola for renewable energy in Spain and Portugal, alongside renewable PPAs with Sasol and Enel Green Power.