ロールス・ロイス・ホールディングス
Rolls-Royce Holdings plc is a British multinational aerospace and defence company incorporated in February 2011 that owns Rolls-Royce, a business established in 1904 which today designs, manufactures and distributes power systems for aviation and other industries. Rolls-Royce is the world's second-largest maker of aircraft engines (after General Electric) and has major businesses in the marine propulsion and energy sectors.