2011 Top 100
51: Alion Science and Technology Corp.
| Top 100 Revenue: | $478,236,000 |
| Defense Revenue: | $419,006,000 |
| Civilian Revenue: | $59,230,000 |
| 2010 Revenue: | $834 million |
| 2010 Earnings: | Loss of $15.2 million |
| 2009 Revenue: | $802.2 million |
| 2009 Earnings: | Net loss $17 million |
| Number of employees: | 3101 |
| Headquarters: | McLean, Va. |
| Website: | www.alionscience.com |
| Leadership: | Bahman Atefi, chairman and CEO |
| Ticker: | N/A |
| Lines of business: | Naval architecture and marine engineering, defense operations, systems engineering, modeling and simulation, information management and technology, chemical, biological, nuclear and environmental sciences, wireless spectrum engineering and industrial technology |
| Major customers: | Defense Department, National Institute of Environmental Health Sciences, Energy Department and Environmental Protection Agency |
| Major contracts/projects: | N/A |
