ZoomInfo is a growth acceleration platform delivering accurate and actionable contact and business information to empower your sales, marketing, and recruiting teams.
This one's for the big boys. It's not cheap, but Zoominfo is one of the market leaders when it comes to enterprise data needs.
Apollo is a data-first engagement platform that gives reps the ability to dramatically increase their number of quality conversations and opportunities. Reps are empowered do more than just conduct outreach - they learn who to target, how to reach out, and what to say at speed and scale.
There's nothing to lose! They have a pretty good trial - with 50 free credits to try out the service.