Bell Helicopter Textron Inc. engages in the design, manufacture, and support of aircraft. It offers commercial and military aircraft, helicopters, manned and unmanned vertical lift aircraft, and tilt rotor aircraft. Bell Helicopter Textron Inc. was formerly known as Bell Helicopter Corporation and changed its name to Bell Helicopter Textron Inc. in January 1976. The company was founded in 1935 and is headquartered in Fort Worth, Texas. It has plants in Amarillo, Texas; and Mirabel, Canada. The company has logistics supply and service centers in Europe, Canada, and Singapore, as well as in the United States. Bell Helicopter Textron Inc. operates as a subsidiary of Textron Inc.