Nexmo - Nexmo is a simple two way SMS API with global reach and wholesale rates
Kahuna - Best way to understand and engage your mobile audience
MessageBird - Reach 7 billion phones in seconds via SMS, Chat & Voice. Try it for free and improve your communication.
Inspired Mobile - Inspired is a unique mobile marketing platform offering an evolving suite of solutions to run all marketing campaigns.
Plivo - Plivo simplifies your customer engagement.
mobilecommons - MobileCommons makes it easy for companies and non-profits to connect with people on their mobile devices.