2012 Top 100
73: GTSI Corp.
| Top 100 Revenue: | $221,715,000 |
| Defense Revenue: | $116,795,000 |
| Civilian Revenue: | $104,920,000 |
| 2011 Revenue: | N/A |
| 2011 Earnings: | N/A |
| 2010 Revenue: | $666.7 million |
| 2010 Earnings: | Loss of $930,000 |
| Number of employees: | N/A |
| Headquarters: | Chantilly, Va. |
| Website: | www.gtsi.com |
| Leadership: | N/A |
| Ticker: | GTSI |
| Lines of business: | N/A |
| Major customers: | N/A |
| Major contracts/projects: | N/A |
