Lockheed Martin
McDonnell Douglas
Boeing
Northrop Corporation
Convair
Northrop Grumman
Martin Marietta
Douglas Aircraft Company
General Dynamics
Glenn L. Martin Company
North American Aviation
Lockheed Martin Aeronautics
Pratt & Whitney
Hughes Aircraft Company
1926-1995 aerospace manufacturer in the United States
The Lockheed Corporation was an American aerospace manufacturer. Lockheed was founded in 1926 and merged in 1995 with Martin Marietta to form Lockheed Martin. Wikipedia