Mattermark - Ranking 800,000+ high growth Internet companies
Breakout List - A list of the fastest growing startups
GrowthRanker - Discover the next unicorn
Crunchbase - Crunchbase is a platform for discovering industry trends, investments, and news about companies around the world.
Startup Tracker - The startup search engine 🎯
Ennerate - Automated business valuations for 'Main Street' companies