Formed in 1993, MegaFon is Russia's second largest mobile operator in terms of revenue and subscribers and a market leader in the mobile data segment. With over 30,000 employees, it is a leading universal telecommunications provider with 63 million active subscribers. The company offers a full range of voice, data and other mobile and fixed-line telecommunications services. Its shares are traded on the London Stock Exchange and MICEX-RTS. In 2011, its revenue grew 12.6% year-on-year to US$ 7.9 billion.