Sirius XM Medium is a type of RADIO broadcasting medium. It is a satellite RADIO service that provides commercial-free music, sports, news, talk, and entertainment programming. It is available in the United States, Canada, and Mexico. Sirius XM Medium is owned by Sirius XM Holdings Inc., which is a publicly traded company. The service was created in 2008 after the merger of Sirius Satellite RADIO and XM Satellite RADIO.