Mainichi Broadcasting System, Inc. (株式会社毎日放送, Kabushiki-gaisha Mainichi Hōsō, Mainichi Broadcasting System Stock-Company), 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. It is a parent company of a television station named MBS TV (MBSテレビ) and a radio station named MBS Radio (MBSラジオ). MBS is also one of the major stockholders of TBS Holdings, BS-TBS, RKB Mainichi Broadcasting, i-Television, TV-U Fukushima, Hiroshima Home Television, WOWOW., and FM802.