Leadspace - Leadspace uses targeting and predictive scoring to find the most accurate B2B leads for your business. Visit our site and view a demo to learn how it works.
V12 Data - V12 Data offers rich data sets with verified addresses and emails for personalized marketing campaigns.
6sense - 6sense is a B2B predictive intelligence engine for marketing and sales.
Lotame - Make your data actionable, learn about your most valuable customers, improve ROI by targeting the right audience and increase relevance across screens.
ZoomInfo - ZoomInfo is a B2B database providing detailed business information on people and companies.
Google Audience Center - 3 votes and 6 comments so far on Reddit