Gaztransport & Technigaz SA, a technology and engineering company, provides cryogenic membrane containment systems for the maritime transportation and storage of liquefied gases in South Korea, China, and internationally. It operates through the Core Business and Hydrogen segments. The company offers onshore membrane storage tank solutions for the storage of LNG (Liquefied Natural Gas); LNG floating storage solution; solutions for the transportation and storage of other liquefied gases such as ethane, ethylene, propane, butane, and propylene; solutions for the offshore LNG industry, including floating storage and regasification units (FSRUs), floating storage and unloading units (FLNGs), and floating storage units (FSUs); and consultancy services, engineering studies, operational support, and maintenance and repairs of GTT membrane systems. It also sells decision-making tools for ship-owners and operators, including data analysis and vessel performance optimization; designs and assembles electrolysers to produce green hydrogen from renewable energy; and adapts containment technology for LNG-fuelled vessels. It serves ship-owners, gas companies, terminal operators, and shipyards. Gaztransport & Technigaz SA was founded in 1963 and is headquartered in Saint-Rémy-lès-Chevreuse, France.