Catholic Broadcasting Company

Catholic Broadcasting Company was an Australian media company which owned various radio stations between the 1937 and the 1990s. 
It was a part of the Catholic Archdiocese of Sydney. 
Stations.
Its flagship station, 2SM, was named after St Mark's Church in the archdiocese.
Other stations owned by the CBC included 2NX Newcastle, and 2NM Muswellbrook.