Clearbit - Clearbit provides Business Intelligence APIs
17hats - The all-in-one business system for entrepreneurs.
ZoomInfo - ZoomInfo is a B2B database providing detailed business information on people and companies.
Salesflare - Simply powerful CRM. Automates your data to build better relationships and make more sales.
InsideView - InsideView aggregates and curates all the company and contact data, news and social insights, and professional connections you need to do business better.
GovWin IQ - GovWin IQ is the essential source for information, teaming and software solutions to help organizations find, manage and win government business.