Filter companies

Keel cooling

R.W. Fernstrum & Company

United States 10 products

Menominee, Michigan maker of GRIDCOOLER keel coolers since 1945; also builds WEKA Boxcoolers in the US and supplies OMEGA Laser Plates.

Electric & hybrid system integrators

ABB Marine & Ports

Switzerland 8 products

ABB division supplying Azipod electric podded propulsion, Onboard DC Grid power systems and vessel control and digital services.

Licensee engine builders

Akasaka Diesels

Japan 3 products

Japanese builder of its own low/medium-speed 4-stroke marine engines and of J-ENG UEC 2-stroke engines under licence.

Waterjets

Alamarin-Jet

Finland 2 products

Finnish manufacturer of waterjet propulsion systems up to 1,500 kW for workboats, rescue craft, patrol boats, tenders and yachts.

Electrical propulsion integrators

Alewijnse

Netherlands 2 products

Dutch electrical and automation systems integrator for ships and yachts, including hybrid and electric propulsion power systems.

Fuel gas supply systems

Alfa Laval

Sweden 7 products

Swedish maker of marine fuel supply systems for LNG, methanol and ammonia, gas combustion units and OceanGlide air lubrication.

Ammonia & methanol-to-power

Amogy

United States 2 products

US developer of ammonia-to-power systems that crack ammonia to hydrogen for fuel cells or hydrogen engines in maritime and power uses.

Rotor sails

Anemoi Marine Technologies

United Kingdom 1 product

London-based supplier of Flettner rotor sails with fixed, rail and folding deployment systems for bulk carriers, tankers and other merchant ships.

Engine designers & manufacturers

Anglo Belgian Corporation (ABC)

Belgium 5 products

Ghent-based builder of medium-speed diesel, dual-fuel and hydrogen engines for workboats, tugs, dredgers and ferries.

Civil marine reactors & icebreakers

Atomflot

Russia 1 product

Murmansk-based Rosatom enterprise operating Russia's civil fleet of nuclear-powered icebreakers on the Northern Sea Route.

Methanol & liquid fuel systems

Auramarine

Finland 2 products

Finnish supplier of marine fuel supply systems for methanol, ammonia, biofuels, HFO and MGO.

Cargo handling systems

Babcock LGE

United Kingdom 6 products

Scottish designer of cargo handling, reliquefaction and fuel gas supply systems for LNG, LPG, ammonia, ethane and CO2 carriers.

Electric & hybrid system integrators

BAE Systems Power & Propulsion Solutions

United States 1 product

BAE Systems unit in Endicott, NY, supplying HybriGen series-hybrid and battery-electric power and propulsion systems for vessels.

Electrical propulsion integrators

Bakker Sliedrecht

Netherlands 2 products

Dutch electrical system integrator for dredging, offshore and maritime vessels: diesel-electric and hybrid propulsion, drives, switchboards and e-motors.

PEM fuel cells

Ballard Power Systems

Canada 1 product

Canadian PEM fuel cell maker whose DNV type-approved FCwave 200 kW module powers hydrogen ferries and cargo vessels.

Rigid wing sails

BAR Technologies

United Kingdom 1 product

Portsmouth-based marine engineering firm that designs WindWings rigid wing sails for bulkers, tankers and other large merchant ships.

Ducts & fins

Becker Marine Systems

Germany 4 products

Hamburg-based supplier of high-performance rudders, steering gear and energy-saving devices including the Becker Mewis Duct.

Controllable-pitch propellers

Berg Propulsion

Sweden 7 products

Swedish maker of controllable-pitch propellers, azimuth and tunnel thrusters and MPC800 propulsion controls; being acquired by Kongsberg Maritime.

Engine designers & manufacturers

Bergen Engines

Norway 3 products

Norwegian maker of medium-speed liquid-fuel and lean-burn gas engines (B33:45, B36:45, C25:33, C26:33) for marine and land use; owned by Langley.

Compact & small marine diesels

Beta Marine

United Kingdom 3 products

UK builder of Kubota-based marine diesel engines (10-150 bhp), saildrives and generating sets for sailboats, narrowboats and small workboats.

Box coolers

Blokland Non-Ferro

Netherlands 4 products

Family-owned Sliedrecht (NL) maker of box coolers, bottom-type coolers and shell-and-tube oil coolers, plus propulsion components, since 1962.

Solid oxide fuel cells

Bloom Energy

United States 1 product

US solid oxide fuel cell maker adapting its Energy Server platform for ships, with ABS type approval and a Samsung Heavy Industries partnership.

Suction wings

bound4blue

Spain 1 product

Spanish developer of the eSAIL autonomous suction sail for wind-assisted propulsion of tankers, bulkers and other ships.

Fixed-pitch propellers

Bruntons Propellers

United Kingdom 3 products

UK propeller maker in Clacton-on-Sea producing custom propellers and sterngear up to 3 m plus the Autoprop and Varifold yacht propellers.