Annual rank50
France · Energy
GTT
GTT provides containment systems for shipping and storing LNG under cryogenic conditions.
FY2022–FY2025
FY2022–FY2025
FY2022–FY2025
current context only
Company profile
A membrane design licensed around the world
GTT designs and licenses the thin membrane systems that contain liquefied gases inside ships and floating facilities. It does not build or operate the vessels: licensed shipyards and outfitters erect the systems, while the order book separately identifies the shipowners. Around that specialist design business, GTT provides engineering, training and maintenance, and its GTT Marine division connects onboard equipment with voyage and performance data.
Cryogenic engineering
Two membranes, two ways to manage cryogenic contraction
At LNG temperatures, metal contracts. Mark III handles movement with a corrugated 1.2 mm 304L stainless-steel primary membrane above a composite secondary membrane and insulation panels. NO96 instead uses two identical 0.7 mm Invar membranes: one contains the cargo and the second provides 100% redundancy. Both systems are supported by insulation and the hull, while later variants reduce heat ingress and boil-off. The two short films make the contrasting geometries visible.
- Open the Mark III system Corrugated stainless steel, composite backup and insulation
- ▶ VideoWatch Mark III move Language-neutral official animation of the membrane geometry
- Open the NO96 system Twin 0.7 mm Invar membranes and full secondary redundancy
- ▶ VideoWatch NO96 assembled Language-neutral official animation of the tank layers
Gases and vessel missions
One membrane idea, several cargos and missions
GTT adapts containment designs for LNG carriers, ethane and multigas ships, floating storage and regasification units (FSRUs), floating LNG-production units (FLNGs) and LNG bunker vessels. Ethane carriers can also handle gases such as propane, butane, propylene and ethylene; an LNG Cargo Ready notation anticipates a possible conversion. GTT MARS takes a different single-membrane approach for LPG at −55 °C to 0 °C. These are licensed applications, not GTT-owned vessels or terminals.
- See LNG bunker vessels Fuel-supply vessel designs and ship-to-ship transfer constraints
- Explore multigas flexibility Ethane, other cargos and the LNG Cargo Ready notation
- See floating storage and regasification FSRU and FSU designs, conversions and operating flexibility
- ▶ VideoWatch the LPG design English official film on the single-membrane GTT MARS concept
Licence network and demand
GTT sells design rights and technical help, not ships
GTT provides designs, licences and technical assistance; licensed shipyards and outfitters erect its membrane systems, while GTT's order book separately identifies the shipowners. The group reports relationships with around thirty shipyards, with named yards in China, South Korea, Spain, the United States, India, Japan and Singapore. At 31 December 2025, its order book excluding LNG-as-fuel units contained 288 units: 261 LNG carriers, 21 ethane carriers, three FSRUs and three FLNGs. That is future work, not a delivered fleet.
- Meet the licensed yards Shipyards, outfitters and the construction boundary by country
- Read the current order book 288 units at 31 December 2025 and their delivery schedules
- Separate orders from built vessels The historical reference list uses a different boundary
- Check the group at a glance Official key figures and the around-thirty-yard wording
Before the keel and after delivery
Specialist studies become a vessel-data platform
Before construction, GTT can provide concept design, front-end engineering design (FEED), cargo-handling engineering and studies of boil-off gas, sloshing, transfers, cargo mixing and conversions. After delivery, GTT Marine combines Danelec, Ascenz Marorka and Vessel Performance Solutions; the portfolio spans voyage data recorders, data acquisition, voyage optimisation, performance analytics and fleet oversight. The group reports more than 17,000 marine and digital solutions deployed worldwide; that figure counts solutions, not 17,000 vessels.
- See the engineering studies FEED, conversions, boil-off, sloshing and cargo operations
- Meet GTT Marine Danelec, Ascenz Marorka, VPS and the 17,000-solution boundary
- Follow data from ship to shore Onboard collection, voyage tools and managed services
- Open the Insights Platform One environment for vessel data, analytics and safety signals
Official profile sources: 60 years of accumulated experience | GTT · GTT technology · An engineering company in containment systems for transport and storage of LNG | GTT
Current 2026 update
What has changed in 2026?
Order announced 15 July 2026 · 15 July 2026
Order announced 15 July 2026latest official update
4company-specific highlights
+28%2026 stock return · context only
Revenue
Q1 revenue rose 1.0% to EUR 192.5 million, while GTT Energy revenue fell 3.6% to EUR 178.1 million and containment-system revenue fell 4.3% to EUR 172.7 million.
Q1 orders
GTT recorded 32 Q1 orders: 29 LNG carriers, two very large ethane carriers and one onshore storage tank.
2026 outlook
GTT confirmed 2026 targets of EUR 740-780 million revenue and EUR 490-530 million EBITDA.
HD KSOE LNG-carrier order
GTT received an order for two 174,000 m³ LNG carriers to be built by HD Hyundai Heavy Industries, with delivery expected by Q1 2029.
Official 2026 sources: Strong commercial momentum in the first quarter of 2026; Revenues of 193 million euros, in line with expectations · 22 April 2026 · GTT receives an order from HD KSOE for the tank design of two new LNG carriers · 15 July 2026
Annual record
Ranking history
Future editions add rows; they do not rewrite the 2026 record.
| Edition | Measurement period | Rank | Revenue growth | Net-income growth | Stock return |
|---|---|---|---|---|---|
| 2026 | FY2022–FY2025 | 50 | +161% | +222% | +78% |