El Segundo is directly south of the Los Angeles Airport and shares its coastline with the Santa Monica Bay. With the combination of Chevron’s refinery and it’s close proximity to the airport the city has grown to become a major aeronautical and industrial business center. Boeing, Raytheon, Lockheed Martin, and The Aerospace Corporation all have facilities in the area. home to the Los Angeles Air Force Base. Mattel, AT&T Entertainment, and Stamps.com are also headquartered in El Segundo.