7 : 1 Source Consulting Inc.
| Location: | Washington, D.C. |
| Annual growth rate: | 161.6% |
| 2008 revenue: | $196,330,000.00 |
| 2007 revenue: | $119,408,707.00 |
| 2006 revenue: | $44,860,720.00 |
| 2005 revenue: | $8,627,449.00 |
| 2004 revenue: | $4,191,121.00 |
| Leadership: | Matthew C. Collins, President |
| Number of employees: | 363 |
| Web site: | http://www.1-sc.com |