According to our records, this business is located at 1035 Eastgate Dr. in O Fallon (in St Clair County), Illinois 62269, the location GPS coordinates are: 38.578492 (latitude), -89.877001 (longitude). Lockheed Martin is categorized under Rockets, Space and Military, Complete (SIC code 3761). Known organization manager is Angela Heise. You can contact the company by phone at (618) 628-2040.