Lockheed Corporation (awalnya bernama Loughead Aircraft Manufacturing Company) adalah perusahaan kedirgantaraan Amerika Serikat yang didirikan pada tahun 1912. Perusahaan ini kemudian pada tahun 1995 merger dengan Martin Marietta membentuk Lockheed Martin.
Divisi
Aeronautical Systems Group
Lockheed-California Company (CALAC), Burbank, California.
Lockheed-Georgia Company (GELAC), Marietta, Georgia.
Lockheed Aircraft Service Company (LAS), Ontario, California.
Lockheed Air Terminal, Inc. (LAT), Burbank, California, now Bob Hope Airport and owned by the Burbank-Glendale-Pasadena Airport Authority.
Missiles, Space, and Electronics Systems Group
Lockheed Missiles & Space Company, Inc., Sunnyvale, California.
Lockheed Space Operations Company, Titusville, Florida.
Lockheed Engineering and Management Services Company, Inc., Houston, Texas.
Lockheed Electronics Company, Inc., Plainfield, New Jersey.
Marine Systems Group
Lockheed Shipbuilding and Construction Company, Seattle, Washington.
Lockport Marine Company, Portland, Oregon.
Advanced Marine Systems, Santa Clara, California.
Information Systems Group
Datacom Systems Corporation, Teaneck, New Jersey.
CADAM Inc., Burbank, California.
Lockheed Data Plan, Inc., Los Gatos, California.
DIALOG Information Services, Inc, Palo Alto, California.
Metier Management Systems, London, England.
Integrated Systems and Solutions, Gaithersburg, MD.
Produk
Pesawat Lockheed paling canggih, L-1011 TristarLockheed Trident II Rudal, diperkenalkan pada tahun 1990..Tahap roket bagian atas Lockheed yang canggih, Agena.