V12 Data - V12 Data offers rich data sets with verified addresses and emails for personalized marketing campaigns.
Looker - Looker makes it easy for analysts to create and curate custom data experiences—so everyone in the business can explore the data that matters to them, in the context that makes it truly meaningful.
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
Databricks - Databricks provides a Unified Analytics Platform that accelerates innovation by unifying data science, engineering and business.What is Apache Spark?
Google Audience Center - 3 votes and 6 comments so far on Reddit
Google BigQuery - A fully managed data warehouse for large-scale data analytics.