FierceMarkets, the Washington, DC-based online and e-mail newsletter trade publisher, has been bought by B2B media and events company Questex Media Group. No financial details were disclosed.

SEE ALSO: FierceMarkets keeps it in 'vertical families'

Fierce is the publisher of vertical newsletters such as FierceWireless (its first newsletter), FierceIPTV, and FierceHealthcare for a total of about 20 newsletters. The Washington DC-based company was founded in 2000 and has expanded into events and 19 online news sites as well, beyond the e-mail newsletters…we understand the company had some angel money invested in it. Founrder and president Jeff Gisea will continue to run FierceMarkets as a subsidiary of Questex.

Questex was formed in 2005 from five former divisions of B2B company Advanstar, and is backed by Boston-based PE firm Audax Group. Release.

Updated: Folio has some details on the company’s revenues: FierceMarkets, which officially went on the block this past summer, did more than $5.2 million in revenue in 2007 and is profitable, and boasts 45 percent compound annual growth over the last five years, the story says, without citing its source.