Clearbit - Clearbit provides Business Intelligence APIs
Owler - Owler is a crowdsourced data model allowing users to follow, track, and research companies.
ZoomInfo - ZoomInfo is a B2B database providing detailed business information on people and companies.
Whatagraph - Whatagraph is the most visual multi-source marketing reporting platform. Built in collaboration with digital marketing agencies
DiscoverOrg - DiscoverOrg is an IT sales intelligence platform providing technology marketers access to data, IT org charts, and real time projects.
QlikSense - A business discovery platform that delivers self-service business intelligence capabilities