InPhonic

Washington, D.C.

• No.: 1
• Annual Growth: 5,958.3%
• Total Growth: 23,833%
• 2003 Revenue: $119.4 million
• Employees: 450

There was a time not so long ago when people in theaters and on airplanes didn't have to be advised to turn off their mobile phones, and the atmosphere at a nice bistro was rarely marred by a mechanical-sounding rendition of "Ring of Fire." The fact that mobile phones have gone from novelty to ubiquity in roughly a decade accounts for the meteoric rise of InPhonic. The company, which is based in Washington, D.C., is sometimes called the Expedia of mobile phones. It sells phones and service plans for all of the major carriers through its website, Wirefly.com, and private-label sites it creates for portals like AOL and Yahoo. Last November, InPhonic was at the forefront of companies in offering number portability to consumers who wanted to switch plans.

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