Cover Story : Top 50 Mailers

... with list management information provided by SRDS. Who's Mailing What! has compiled the most complete library of direct mail and email in the world, and has tracked mail for more than 25 years. Earlier this year, it relaunched on a state-of-the-art, ...

http://www.targetmarketingmag.com/article/top-50-mailers-the-eighth-annual-listing-top-mailers-measured-volume/1