T-Mobile International AG is a holding company for Deutsche Telekom AG’s various mobile communications subsidiaries outside Germany.

Yes is the world’s first nationwide converged 4G service that offers data, calls and SMS in one simple plan.

Telecom Italia is the largest Italian telecommunications company, also active in the media and manufacturing industries.

Mada is private company that started back in 2007, that provides internet services.

Mobily is the trade name launched in May 2005 by Saudi Arabia’s second Telecommunications company, Etihad-Etisalat consortium

Ayannah aims to be the leading provider of mobile commerce and payment services to the world’s unbanked.

Founded in 1996, deltathree, Inc. is a global provider of Voice over Internet Protocol (VoIP) telephony services, products, and solutions for partners, resellers and direct consumers.

DollarPhone is a privately held company that operates as a licensed carrier with it’s network that spans the entire US and Canada.

Ericsson-LG is a joint venture company owned by the Swedish group Ericsson and the South Korean group LG Electronics.