2006 Top 100
21: ManTech International Corp.
| Top 100 Revenue: | $631,379,535 |
| Defense Revenue: | $466,176,213 |
| Civilian Revenue: | $165,203,323 |
| 2005 Revenue: | $980 million |
| 2005 Earnings: | $53.2 million |
| 2004 Revenue: | $842.4 million |
| 2004 Earnings: | $24.7 million |
| Number of employees: | 6,000 |
| Headquarters: | Fairfax, Va. |
| Website: | www.mantech.com |
| Leadership: | George J. Pedersen, chairman and CEO and 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: | Defense Department, Army, Homeland Security Department and Air Force |
| Major contracts/projects: | ManTech is working as a subcontractor to VSE Corp., providing deployed sustainment management, deployed logistics and repairs management, unique system training and curriculum support and resource management, and acquisition and administrative support for military operations in Southwest Asia, including Iraq and Afghanistan. The Army contract is worth $300 million. |