2009 Top 100

48: ManTech International Corp.
Top 100 Revenue: $417,775,254
Defense Revenue: $265,760,865
Civilian Revenue: $152,014,388
2008 Revenue: $1.9 billion
2008 Earnings: $90.3 million
2007 Revenue: $1.4 billion
2007 Earnings: $67.3 million
Number of employees: 8,000
Headquarters: Fairfax, Va.
Website: www.mantech.com
Leadership: George J. Pedersen, chairman, CEO and co-founder
Ticker: MANT
Lines of business: Defense systems group, information systems and technology, security and mission assurance and MSRS
Major customers: Defense Intelligence Agency, Federal Bureau of Investigation, National Geospatial-Intelligence Agency, Homeland Security Department, Navy, Air Force, Justice Department, State Department and NASA
Major contracts/projects: ManTech won an Army contract worth up to $355 million in February 2009 to provide rapid repair and sustainment of mine-resistant, ambush-protected vehicles.