Controllable-pitch propellers
Berg Propulsion
Swedish maker of controllable-pitch propellers, azimuth and tunnel thrusters and MPC800 propulsion controls; being acquired by Kongsberg Maritime.
Tunnel & manoeuvring thrusters
16 companies
Bow and stern tunnel thrusters and other manoeuvring thrusters for commercial and leisure vessels.
Filter companies: Tunnel & manoeuvring thrusters
Azimuth thrusters
Brunvoll
Family-owned Norwegian maker of tunnel, azimuth, retractable and rim-driven thrusters, CPP propulsion systems and BruCon controls.
Azimuth thrusters
Hydromaster
Rotterdam maker of azimuth, retractable, high-speed and tunnel thrusters from 30 to 900 kW for workboats, ferries, yachts and inland vessels.
Azimuth thrusters
Jastram
Hamburg family firm making RP rudder propellers (50-450 kW), BU transverse thrusters (50-1,200 kW) and low-noise thrusters.
Licensee engine builders
Kawasaki Heavy Industries
Japanese heavy-industry group building B&W two-stroke engines, CPPs, Rexpeller azimuth thrusters, side thrusters and naval gas turbine packages.
Electric & hybrid system integrators
Kongsberg Maritime
Norwegian supplier of thrusters, propellers, waterjets, hybrid power, propulsion control and DP systems; former Rolls-Royce Commercial Marine.
Leisure bow & stern thrusters
Lewmar
UK marine hardware maker (since 1946, part of LCI Industries) supplying electric, hydraulic and retractable bow and stern thrusters.
Electric & hybrid system integrators
SCHOTTEL
German family-owned maker of azimuth propulsors, tunnel and rim thrusters, pump-jets, CP propellers and hybrid drives (50–30,000 kW).
Leisure bow & stern thrusters
Sleipner Group
Norwegian maker of Side-Power bow and stern thrusters, Vector Fins stabilizers and steering for yachts and light commercial boats.
Azimuth thrusters
Steerprop
Finnish azimuth propulsion maker from Rauma, specialising in ice-class and CRP propulsors; acquisition by Kongsberg agreed Sept 2026.
Pump-jet thrusters
Tees White Gill Thrusters
UK maker of 360-degree azimuthing pump-jet thrusters for research, polar, naval and inland vessels; part of Tees Components since 2005.
Azimuth thrusters
Thrustmaster of Texas
Houston manufacturer of azimuth, tunnel, retractable and portable thrusters, T-Pod electric pods and US-built waterjets.
Azimuth thrusters
Veth Propulsion
Dutch maker of azimuth thrusters (Z-, L- and contra-rotating drives) and Veth Jet bow thrusters; part of Twin Disc since 2018.
Compact & small marine diesels
Vetus
Dutch Yanmar-group supplier of small marine diesels, electric propulsion (E-LINE, E-POD) and bow/stern thrusters for leisure and small commercial boats.
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.
Fixed-pitch propellers
ZF Marine
ZF Friedrichshafen's marine division: transmissions (10-12,000 kW), azimuth and tunnel thrusters, propellers, pods and controls.