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4 companies

Bird-Johnson Company

Walpole,, MA, United StatesUpdated Sep 2002

Bird-Johnson Company, part of Rolls-Royce, specializes in the design and manufacture of naval propellers and naval propulsion systems for the US Navy and international navies.

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DRS Electronic Systems, Inc.

Gaithersburg, MD, United StatesUpdated May 2026

Leonardo DRS is a leading provider of advanced defense technologies, specializing in naval propulsion, electrical power conversion, and defense electronics for U.S. Department of Defense and allied customers.

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S.E.M.T. Pielstick

Roissy Ch De Gaulle,, Cedex, FranceUpdated Apr 2005

S.E.M.T. Pielstick ensures the design, manufacturing, sale and after-sales service of 4-stroke high and medium-speed Diesel engines ranging from 500 to 26 500 kW.

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Ward Leonard Electric Company, Inc.

Thomaston,, CT, United StatesUpdated May 2026
Training

Ward Leonard Electric Company, Inc. manufactures MIL-Spec motors and power and propulsion systems designed for naval and maritime defense applications, meeting rigorous military standards for durability and performance.

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