Big Ten Network (BTN) is an American sports network based in Chicago, Illinois. The channel is dedicated to coverage of collegiate sports sanctioned by the Big Ten Conference, including live and recorded event telecasts, news, analysis programs, and other content focusing on the conference's member schools. It is a joint venture between Fox Sports and the Big Ten, with Fox Corporation as 61% stakeholder and operating partner, and the Big Ten Conference owning a 39% stake. It is headquartered in the former Montgomery Ward & Co. Catalog House building at 600 West Chicago Avenue in Chicago.