| Location: | McLean, Va. |
| Annual growth rate: | 75.50% |
| 2009 revenue: | $19,987,000.00 |
| 2008 revenue: | $14,300,000.00 |
| 2007 revenue: | $8,752,000.00 |
| 2006 revenue: | $5,316,000.00 |
| 2005 revenue: | $2,107,000.00 |
| Leadership: | Nicole Geller, CEO and President |
| Web site: | http://www.gcsinfo.com |