BAE Systems Marine
 BAE Systems Marine Ltd. was the shipbuilding subsidiary of BAE Systems formed in 1999 which manufactured the full range of naval ships; nuclear submarines frigates destroyers amphibious ships.In 2003 BAE Systems Marine was split into separate submarine and surface ship units; BAE Systems Submarines and BAE Systems Naval Ships. The latter was merged into a BAE Systems/VT Group joint venture BVT Surface Fleet in 2008 which subsequently became BAE Systems Surface Ships in 2009.