Crunchbase - Crunchbase is a platform for discovering industry trends, investments, and news about companies around the world.

Pingboard - Pingboard is the employee experience suite for growing companies that put their people first.

CB Insights - CB Insights is a company database for the venture capital and corporate development community.

LucidChart - LucidChart is the missing link in online productivity suites. LucidChart allows users to create, collaborate on, and publish attractive flowcharts and other diagrams from a web browser.

Tracxn - data on companies

Organimi - It's more than an org chart.