Gaztransport et Technigaz SAS (GTT) is a French company engaged in the field of cryogenics and storage of liquefied gases. It operates as a marine engineering company, specialized in the design of membrane containment systems for the maritime transportation and storage of liquefied natural gas (LNG). The Company's main areas of activity are cargo containment systems (CCS) for LNG carriers and land storage of LNG. The Company divides its activites into Bunkering Solutions, Small & Mid Scale, LNG Carrier Containment Systems, Land Storage and Pluto II. LNG carriers and tanks designed with the Company's containment systems have also been used to carry and store other liquefied gases (such as liquefied petroleum gas (LPG) and ethlyene). The Pluto II segment operates in the field of land storage and develops the cryogenic containment sysytem. GTT also provides engineering, consultancy and training services, as well as contractual links with the Company and other services.