Vodafone

Vodafone is a British multinational mobile network operator headquartered in Newbury, United Kingdom. Vodafone is the world's largest mobile telecommunication network company, based on revenue, and has a market value of about £71.2 billion (November 2009). It currently has operations in 31 countries and partner networks in a further 40 countries.
The name Vodafone comes from voice data fone, chosen by the company to "reflect the provision of voice and data services over mobile phones".[
As of 2009, Vodafone had an estimated 303 million customers in 31 markets across 5 continents. On this measure, it is the second largest mobile telecom group in the world behind China Mobile.
Vodafone owns 45% of Verizon Wireless, the largest wireless telecommunications network in the United States, based on number of subscribers.