EZ Texting - EZ Texting provides SMS marketing solutions to businesses of all sizes.
Nexmo - Nexmo is a simple two way SMS API with global reach and wholesale rates
Textedly - Textedly is an SMS marketing communications channel that allows to advertise, promote, announce, and engage with audience through text messaging directly to cell phones.
Plivo - Plivo's Voice API enables businesses to build Voice apps to reach customers globally in 200+ countries. Try Plivo's Voice API for free. Instant Sign Up.
Avochato - Text messaging for your business.
MessageBird - Reach 7 billion phones in seconds via SMS, Chat & Voice. Try it for free and improve your communication.