Latest News

Seatrade Maritime Middle East; Dubai. Visit us on stand W13, more here.

Bruntons propellers for Belgium Navy flagship. More here

Excellent results from NPT fitted Seahorse 35000 after sea trials completed. More here.

Bruntons buy SigmaDrive. More here.

Stone Marine Seals the new company in the Group. More here.


With experience that only 170 years in the business can bring, matched to state of the art design and engineering, it is hardly surprising that the companies of the Stone Marine Group are considered to be among the world’s leaders in ship propeller and stern gear design, manufacture, service and repair.

Three of the six companies in the group provide a complete propulsion equipment design and manufacture service to ship builders and naval architects during the construction of vessels. Two others maintain and repair propulsion equipment wherever a vessel may be in the world. The sixth company, Thomas Reid Ltd, are renowned around the world for the quality of their deck equipment.

A brief outline of the activities of each company together with contact information can be found from the company links above. More complete details are on each companies own website the link to which is also available from those pages.