Controllable-pitch propellers
Berg Propulsion
Swedish maker of controllable-pitch propellers, azimuth and tunnel thrusters and MPC800 propulsion controls; being acquired by Kongsberg Maritime.
Pump-jet & retractable thrusters
8 companies
Filter companies: Pump-jet & retractable thrusters
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.
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
Veth Propulsion
Dutch maker of azimuth thrusters (Z-, L- and contra-rotating drives) and Veth Jet bow thrusters; part of Twin Disc since 2018.