Clearbit - Clearbit provides Business Intelligence APIs
DiscoverOrg - DiscoverOrg is an IT sales intelligence platform providing technology marketers access to data, IT org charts, and real time projects.
Lusha - Search less. Sell more.
Datanyze - The sales prospecting tool powered by technology data
D&B Hoovers - D&B Hoovers is a sales acceleration solution that helps businesses connect with new customers, increase sales, and get ahead of the competition.
LinkedIn Sales Navigator - Sales tool for LinkedIn users.