Zint - Zint is a top-of-the-line sales intelligence platform that makes it easier for businesses to find and track their most important prospects.

Lotame - Make your data actionable, learn about your most valuable customers, improve ROI by targeting the right audience and increase relevance across screens.

D&B Hoovers - D&B Hoovers is a sales acceleration solution that helps businesses connect with new customers, increase sales, and get ahead of the competition.

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

CartInsight - CartInsight curates millions of online stores & delivers a comprehensive database of ecommerce...

Google Audience Center - 3 votes and 6 comments so far on Reddit