ZoomInfo

ZoomInfo SalesOS is the market leader for B2B companies. ZoomInfo has the biggest, most accurate, and most frequently refreshed database of insights, intelligence, and purchasing intent data about companies and contacts. ZoomInfo layers additional tools on top of that intelligence—such as conversation intelligence (Chorus), sales engagement (Engage), and data orchestration (RingLead)—to help you engage with prospects and customers.  Most customers start annually with ZoomInfo. Pricing varies  by platform, number of seats and credits needed throughout the year. The different platform tiers are Professional, Advananced, and Enterprise. Professional edition automatically has three licenses, and Advanced + Enterprise comes with 5. There are 10,000 credits added automatically to the Advanced and Enterprise editions, Professional comes with none. Most customers start with the core platform. On top of that, customers can additionally purchase Chorus, Engage, RingLead, Recruiter, MarketingOS, FormComplete, or Chat.