39 : Tangible Software Inc.
| Location: | Bethesda, Md. |
| Annual growth rate: | 72.5% |
| 2008 revenue: | $15,848,667 |
| 2007 revenue: | $11,638,578 |
| 2006 revenue: | $8,570,873 |
| 2005 revenue: | $8,992,838 |
| 2004 revenue: | $1,787,926 |
| Leadership: | Lan Tran, CEO |
| Number of employees: | 94 |
| Web site: | http://www.tangiblesoftware.com |