Crunchbase - Crunchbase is a platform for discovering industry trends, investments, and news about companies around the world.
Nexmo - Nexmo is a simple two way SMS API with global reach and wholesale rates
CB Insights - CB Insights is a company database for the venture capital and corporate development community.
MessageBird - Reach 7 billion phones in seconds via SMS, Chat & Voice. Try it for free and improve your communication.
Tracxn - data on companies
Plivo - Plivo simplifies your customer engagement.