San Diego Engineers Systems 4770 Eastgate Mall Lockheed Martin Corporation, an advanced technology company, was formed in March 1995 with the merger of two of the world's premier technology companies, Lockheed Corporation and Martin Marietta Corporation. Headquartered in Bethesda, Maryland, Lockheed Martin employs about 140,000 people worldwide and is principally engaged in the research, design, development, manufacture and integration of advanced technology systems, products and services. San Diego CA Engineers Systems Lockheed Martin Orincon Corp www.lockheedmartin.com Lockheed Lockheed Martin Martin Marietta LM aerospace defense systems integration information technology space aircraft aeronautics aviation IT Lockheed Lockheed Martin Martin Marietta LM aerospace defense systems integration information technology space aircraft aeronautics aviation IT Business Reviews Lockheed Martin Orincon Corp Testimonials