V12 Data - V12 Data offers rich data sets with verified addresses and emails for personalized marketing campaigns.
HubSpot - Grow Better With HubSpot: Software that's powerful, not overpowering. Seamlessly connect your data, teams, and customers on one CRM platform that grows with your business.
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
ActiveCampaign - Integrated email marketing, marketing automation, and small business CRM. Send beautiful newsletters, setup behavioral based automations, and benefit from sales automation.
Clearbit - Clearbit provides Business Intelligence APIs
Pardot - Salesforce B2B marketing automation