2005 Top 100
21: ManTech International Corp.
| Top 100 Revenue: | $620,613,541 |
| Defense Revenue: | $414,289,556 |
| Civilian Revenue: | $206,323,985 |
| 2004 Revenue: | $842.4 million |
| 2004 Earnings: | $24.7 million |
| 2003 Revenue: | $701.6 million |
| 2003 Earnings: | $35.2 million |
| Number of employees: | 5,500 |
| Headquarters: | Fairfax, Va. |
| Website: | www.mantech.com |
| Leadership: | George J. Pederson, chairman and CEO, Robert A. Coleman, president and COO Same as president and CEO |
| Ticker: | MANT |
| Lines of business: | Secure systems and infrastructure, information technology and systems engineering |
| Major customers: | State Department, Defense Department and Homeland Security Department |
| Major contracts/projects: | ManTech is providing advanced security safeguards to the State Department''s Bureau of Information Resource Management, as well as administrative and organizational support to implement life cycle security systems that protect information technology and other electronic equipment. |