Penton Media, which numbers Direct magazine and Multichannel Merchant among its more than 100 titles, will consolidate management of all its company lists and databases with Walter Karl, a company owned by InfoUSA.
Starting today, Karl will add lists for 41 publications and nine databases to those that it has managed for Penton since 2005.
Penton Media is the largest independent B-to-B media company in the U.S., reaching more than 6 million professional readers every month. The New York-based company operates 113 trade magazines, 145 Web sites, 150 industry trade shows and more than 500 information data products.
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