Rolls- Royce Holdings Plc (LON: RR) is a United Kingdom domiciled one the largest gas turbine and aircraft engine manufacturer in the world. Incorporated more than 115 years ago, the company is one of the largest defence contractors in the world and is a strategically important company for the United Kingdom. Other than aero engines, the company also provides power generation and marine propulsion solutions while its maintenance and servicing division assists clients through the lifecycle of their equipment. The company was first admitted to the London Stock Exchange on 20 May 1987. On the exchange, the shares are identified and trade under the ticker name RR. The shares of Rolls- Royce Holdings Plc also form part of the FTSE 100 index.