Wärtsilä Defense, Inc. (WDI) develops cutting-edge solutions to provide the United States with a superior advantage at sea. W ... e supply innovative maritime systems, parts and services to the U.S. Navy and Coast Guard. With strategic locations on both coasts, along with Wärtsilä’s global network of affiliates, WDI delivers a wide range of naval navigational and steering systems, shaft line components, seals and bearings, water jets, engines and unmanned solutions. We are the primary supplier of shaft seals to nearly all surface fleet vessels in America’s maritime services, and the exclusive provider of U.S. Navy’s submarine shaft seals. As an OEM service provider, we train the world’s greatest technicians on certified maintenance, repair and overhaul methodologies. Our team is ready to dispatch to anywhere in the world to troubleshoot or provide modifications and upgrades. read more