Clari - Clari is a predictive analytics platform for sales people.
6sense - 6sense is a B2B predictive intelligence engine for marketing and sales.
InsightSquared - #1 for Salesforce.com Pipeline forecasting, profitability analysis, activity tracking: all the small business intelligence you need. Works using CRM data and automatic syncing.
Leadiro - Seriously Smart & Live B2B Data
Looker - Looker makes it easy for analysts to create and curate custom data experiences—so everyone in the business can explore the data that matters to them, in the context that makes it truly meaningful.
ZoomInfo - ZoomInfo is a B2B database providing detailed business information on people and companies.