Fuel gas supply systems
Alfa Laval
Swedish maker of marine fuel supply systems for LNG, methanol and ammonia, gas combustion units and OceanGlide air lubrication.
Energy-saving devices & air lubrication
11 companies
Energy-saving devices: air lubrication, pre- and post-swirl ducts and fins, boss cap fins, high-efficiency rudders and steering gear.
Filter companies: Energy-saving devices & air lubrication
Ducts & fins
Becker Marine Systems
Hamburg-based supplier of high-performance rudders, steering gear and energy-saving devices including the Becker Mewis Duct.
Rudders & steering gear
Jastram Engineering
Canadian manufacturer of hydraulic steering gear and steering systems for commercial and naval vessels (separate company from Jastram GmbH, Hamburg).
Electric & hybrid system integrators
Kongsberg Maritime
Norwegian supplier of thrusters, propellers, waterjets, hybrid power, propulsion control and DP systems; former Rolls-Royce Commercial Marine.
Commercial & workboat engines
Mitsubishi Heavy Industries
Japanese industrial group supplying S6R/S12R/S16R high-speed marine diesels and gensets, and the MALS air lubrication system.
Propeller boss cap fins
MOL Techno-Trade (PBCF)
Mitsui O.S.K. Lines subsidiary supplying PBCF propeller boss cap fins, fitted to over 4,500 ships for 3–5% fuel savings.
Molten salt reactors
Samsung Heavy Industries
Korean shipbuilder developing molten-salt-reactor ship designs, in-house LNG fuel gas supply systems and SAVER Air air lubrication.
Ducts & fins
Schneekluth Hydrodynamik
German developer of the Schneekluth Wake Equalizing Duct (WED), an energy-saving pre-duct fitted to about 3,000 ships.
Air lubrication
Silverstream Technologies
London-based market leader in hull air lubrication; its Silverstream System is installed on more than 160 vessels.
Rudders & steering gear
Van der Velden Marine Systems
Dutch rudder and steering specialist (Barke flap, Master Fishtail, flanking rudders) whose products are now sold by Damen Marine Components.
Engine designers & manufacturers
Wärtsilä
Helsinki-based marine and energy group supplying multi-fuel 4-stroke engines, hybrid systems, fuel systems, propellers, thrusters, waterjets and seals.