Lotame - Make your data actionable, learn about your most valuable customers, improve ROI by targeting the right audience and increase relevance across screens.
VisitorTrack - Cloud Based Affordable Biometric Visitor Management System To Eliminate Maintenance & Expense of ID Cards & Printers, Replace Paper Logs & Sign-In Sheets.
V12 Data - V12 Data offers rich data sets with verified addresses and emails for personalized marketing campaigns.
BuiltWith - Find out the technology behind websites
Google Audience Center - 3 votes and 6 comments so far on Reddit
Melissa Data Quality - Melissa helps companies to harness Big Data, legacy data, and people data (names, addresses, phone numbers, and emails).