Sirius Satellite Radio (NYSE: SIRI) is one of two companies licensed to provide satellite radio in the United States, providing subscription satellite radio to 8.6 million customers. The company generated $922 million in revenue in 2007, but its operating expenses were so high that it faced an operating loss of nearly $550 million. Currently, Sirius holds contracts to approximately 48% of the satellite radio duopoly in terms of subscribers with the remaining 52% belonging to its only competitor, XM Satellite Radio.