31 : Red Rock Government Services
| Location: | Leesburg, Va. |
| Annual growth rate: | 70.30% |
| 2014 revenue: | $5,359,129 |
| 2013 revenue: | $4,797,100 |
| 2012 revenue: | $3,966,162 |
| 2011 revenue: | $1,664,983 |
| 2010 revenue: | $637,084 |
| Leadership: | Chad W Davis, President |
| Number of employees: | 40 |
| Web site: | http://www.redrockbusiness.com |
| Lines of business: | Information Technology, Financial Management, and Strategic Services |
| Major customers: | Intelligence Community and Defense |
| Major contracts/projects: | Classified |