Crunchbase - Crunchbase is a platform for discovering industry trends, investments, and news about companies around the world.
CB Insights - CB Insights is a company database for the venture capital and corporate development community.
PitchBook - PitchBook is an award winning data & technology provider for the global private equity and...
Owler - Owler is a crowdsourced data model allowing users to follow, track, and research companies.
Tracxn - data on companies
Mobile Action - Mobile Data Intelligence & Actionable Insights.