XM Satellite Radio Holdings is an out-of-this-world radio broadcaster. The company provides direct satellite radio broadcasts to more than 8.2 million US subscribers, offering 170 channels of commercial-free music, as well as news, talk shows, and sports. Offerings cover the spectrum of musical genres, including concerts and programs hosted by such popular artists as Bob Dylan and Snoop Dogg. XM also broadcasts live games from Major League Baseball, the National Hockey League, and college sports. In addition, XM provides local traffic and weather in about 50 metropolitan markets. Subscription fees make up almost 90% of the company's revenue. XM has agreed to be acquired by rival Sirius Satellite Radio.

Sirius Satellite Radio will be your faithful companion from sea to shining sea. The company's subscription-based satellite radio system delivers about 70 channels of commercial-free CD-quality music and 65 channels of news, sports, and talk shows to listeners throughout the country. It also offers sports content from the National Football League and NASCAR, as well as two channels of programming from shock-jock Howard Stern. The company boasts more than 7.1 million subscribers. Sirius has alliances with several carmakers, including AUDI, BMW, and Ford. In 2007 Sirius agreed to acquire rival XM Satellite Radio.