2013 Top 100

15: ManTech International Corp.
Top 100 Revenue: $1,947,779,000
Defense Revenue: $1,752,131,000
Civilian Revenue: $195,649,000
2012 Revenue: $2.6 billion
2012 Earnings: $95 million
2011 Revenue: N/A
2011 Earnings: N/A
Number of employees: 10,000
Headquarters: Fairfax, Va.
Website: www.mantech.com

George Pedersen, founder,chairman and CEO

Daniel Keefe, president and COO, technical services group; L. William Varner, president and COO, mission, cyber and intelligence; Louis Addeo, EVP of corporate development and strategic acquisitions

Ticker: MANT
Lines of business: C4ISR, cybersecurity, systems engineering, global logistics
Major customers: N/A
Major contracts/projects: Software and Systems Engineering Support, Strategic Services Sourcing, Alliant, Encore II, CEOss, SeaPort-e, DOJ ITSS BPA, ITSS 4, Technology Supplies and Support Services, SITE, CIO-SP 3