Hindustan Aeronautics Limited (HAL) is an Indian defense company owned by the government (approx. 75% holding). HAL was founded on 22 Dec. 1940, then formally known as Hindustan Aircraft Ltd. Which changed to Hindustan Aeronautics Ltd. On 1964. HAL has headquarters in Bangalore, India. The company is mainly engaged in the manufacturing and development of aircraft, helicopters, aircraft engines, and other aerospace structures.