Mainichi Broadcasting System, Inc. , or MBS, is a radio and television broadcasting company headquartered in Osaka, Japan, affiliated with Japan Radio Network (JRN), National Radio Network (NRN), Japan News Network (JNN) and TBS Network, serving in the Kansai region.

The Asahi Broadcasting Group Holdings Corporation is a certified broadcasting holding company headquartered in Osaka, Japan. Until March 31, 2018, it was a unified radio and television broadcaster serving in the Kansai region. On April 1, 2018, its radio and television broadcasting divisions were spun off into two subsidiaries, with Asahi Radio Broadcasting Corporation taking over the radio broadcasting business, and Asahi Television Broadcasting Corporation took over television broadcasting.