EZ Texting - EZ Texting provides SMS marketing solutions to businesses of all sizes.
Tatango - Tatango is a mobile messaging platform for agencies.
SimpleTexting - SimpleTexting offers SMS and text marketing services for companies of all sizes.
Postscript - Like Mailchimp for SMS
Textmagic - The all-in-one solution for all your business texting needs - marketing campaigns, two-way SMS chats, reminders, notifications, and internal staff communication.
Flowroute - Flowroute provides direct access to telephony resources - such as calling, messaging (SMS & MMS), call routing, SIP Trunking and Communication APIs.