2013 Top 100
86: GTSI Corp.
| Top 100 Revenue: | $227,323,000 |
| Defense Revenue: | $106,668,000 |
| Civilian Revenue: | $120,655,000 |
| 2012 Revenue: | N/A |
| 2012 Earnings: | N/A |
| 2011 Revenue: | N/A |
| 2011 Earnings: | N/A |
| 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 |