Electric Boat Corporation
- Designer and builder of nuclear submarines for the United States Navy.
- http://www.gdeb.com/

Bath Iron Works
- Designers and builders of complex, technologically advanced ships for the U.S. Navy. Provides image gallery, news, information on shipbuilding and employment.
- http://www.gdbiw.com/

BAE Systems Ship Repair
- Dry dock and topside repairs and conversions, primarily for the US Navy, from facilities in Hawaii, San Francisco, San Diego, and Norfolk. They describe their capabilities and experience for various vessel classes. Formerly United States Marine Repair.
- http://www.usmarinerepair.com/

Astilleros y Maestranzas de la Armada - ASMAR
- Chile. A state-owned company which builds and repairs Navy vessels, as well as offering maritime services from facilities in Punta Arenas, Valparaiso and Talcahuano. They describe their corporate history and quality programs. [English/Spanish]
- http://www.asmar.cl/

Northrop Gruman Newport News
- Design, construction, and maintenance of nuclear-powered aircraft carriers and submarines, as well as fleet services. They overview their facilities and corporate history, with information on employment and recent construction.
- http://www.nn.northropgrumman.com/

DML
- Design, manufacture, and maintenance of ships and submarines from Devonport Royal Dockyard. They describe the company's history, overview its activities, and provide press releases and employment information.
- http://www.devonport.co.uk/