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

Simple 409a - The clients of Simple409A have received reliable 409A valuations for their growing companies, ranging in size from a company weeks after inception to mature

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

Armanino Consulting - Armanino is one of the top 25 largest independent accounting and business consulting firm in the United States.

Tracxn - data on companies

Aranca - Aranca is a research and analytics firm that provides investment research, business research, valuation, and patent research services.