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

Facebook for Business - Facebook Business gives the latest news, advertising tips, best practices and case studies to meet the business goals.

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

SocialPilot - SocialPilot is an app designed to help businesses and professionals with social media marketing.

Tracxn - data on companies

Buzzstream - Build Relationships. Build Buzz. Web-based software that helps the world’s best marketers promote their products, services and content.