V12 Data - V12 Data offers rich data sets with verified addresses and emails for personalized marketing campaigns.
Marin Software - Optimize your Search, Social & Display ads across channels and devices. Marin Software, the leading cross-channel performance advertising platform.
Lotame - Make your data actionable, learn about your most valuable customers, improve ROI by targeting the right audience and increase relevance across screens.
Kenshoo - Kenshoo provides marketing software and empower marketers with technology to build brands and generate demand across all media.
Google Audience Center - 3 votes and 6 comments so far on Reddit
Google Marketing Platform - Google's unified and improved marketing and analytics tools.