Jasmin SMS Gateway - Jasmin is a very complete open source SMS Gateway with many enterprise-class features such as:
Afilnet - In Afilnet we work every day with hundreds of companies to improve their Bulk SMS, Email Marketing and Social Networks campaigns, enhancing customer acquisition and loyalty
Bulk SMS Services - Sending Bulk SMS to the customers will engage the customers with your business and new offers.
Oxygen8 Engage - Oxygen8 Engage is a cloud-based mobile engagement platform for creating interactive services and marketing campaigns.
BudgetSMS.net - Cheap SMS Gateway with simple HTTP API to send SMS messages worldwide.
allmysms - La plateforme AllMySms propose une solution d'envoi de SMS professionnelle. Envoyer des SMS efficace et fiable pour vos campagnes de marketing mobile.