37 : Herren Associates Inc.
| Location: | Alexandria, Va. |
| Annual growth rate: | 78.58% |
| 2009 revenue: | $12,255,000.00 |
| 2008 revenue: | $4,807,000.00 |
| 2007 revenue: | $4,240,000.00 |
| 2006 revenue: | $2,173,000.00 |
| 2005 revenue: | $1,205,000.00 |
| Leadership: | Jeff Herren, CEO |
| Web site: | http://www.herrenassociates.com |