V12 Data - V12 Data offers rich data sets with verified addresses and emails for personalized marketing campaigns.
NeverBounce - Real-time email verification and cleaning to ensure emails never bounce.
Lotame - Make your data actionable, learn about your most valuable customers, improve ROI by targeting the right audience and increase relevance across screens.
Email List Verify - The Fastest Way to Improve Email List Deliverability and ROI
Adobe Audience Manager - Adobe Audience Manager is a data management platform that integrates online and offline data to deliver a unified view of all your audiences
ZeroBounce - Removes invalid emails from your list to prevent email bounces from ruining your deliverability.