Gaztransport & Technigaz (GTT) is a French engineering company specializing in the design and licensing of cryogenic membrane containment systems for liquefied natural gas (LNG) carriers, floating storage regasification units (FSRUs), and onshore LNG storage tanks. Leveraging advanced materials and proprietary membrane technologies, GTT’s systems are engineered to maintain ultra-low temperatures required for the safe transport and storage of LNG. The company also offers a range of associated services, including technical consulting, maintenance support, and software solutions to optimize the performance and safety of its containment systems.
Founded through the merger of Gaztransport SA and Technigaz SA in 1994, GTT traces its origins back to early pioneers of LNG containment technology in the late 20th century. Headquartered in Saint-Rémy-lès-Chevreuse, France, the company has established a global footprint with regional offices and technical centers in Asia, Europe, the Middle East, and the Americas. GTT’s membrane technology is widely adopted by major shipyards and energy companies around the world, supporting LNG carriers operating on major trade routes and serving emerging markets in Asia-Pacific and the Middle East.
In addition to its core membrane systems, GTT invests in research and development aimed at future energy carriers such as hydrogen and ammonia, positioning itself at the forefront of low-carbon maritime and onshore energy solutions. The company collaborates with classification societies, shipbuilders, and energy clients to ensure compliance with evolving safety and environmental regulations. Under the leadership of Chief Executive Officer Hervé Gastinel, GTT continues to expand its innovation pipeline, focusing on digital monitoring tools and next-generation containment concepts that address the growing demand for efficient and eco-friendly energy infrastructure worldwide.
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