DiscoverOrg - DiscoverOrg is an IT sales intelligence platform providing technology marketers access to data, IT org charts, and real time projects.
Clearbit - Clearbit provides Business Intelligence APIs
6sense - 6sense is a B2B predictive intelligence engine for marketing and sales.
Datanyze - The sales prospecting tool powered by technology data
PureB2B - Flexibile and scalable lead generation solutions that positively impact sales and marketing ROI.
LinkedIn Sales Navigator - Sales tool for LinkedIn users.