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Female power: Biggest companies run by women

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8. General Dynamics

CEO: Phebe N. Novakovic
Company value: $31.9 billion

President and CEO of General Dynamics from May 2012 to December 2012, Phebe N. Novakovic became chairwoman and CEO in January 2013. Before joining General Dynamics, she served as special assistant to the secretary and deputy secretary of Defense and formerly worked for the Central Intelligence Agency. Novakovic also serves on the boards of Project HOPE, the National Military Families Association and the Senior Advisory Board for the Naval Historical Foundation.

Seong Cho | Bloomberg | Getty Images, Inset: SEC.gov