Grupo Cadena

CBC, began in 1936 with the establishment of radio station XEBG-AM in Tijuana, followed in 1950 by XEDX-AM in Ensenada, XEMBC-AM in Mexicali in 1964, and XEWV-FM in 1974.

In 1994, XHMORE-FM began broadcasting; the station currently carries a Rock en Español format as "More FM 98.9", since September 2010.

Also part of the CBC family is XESPN-AM; formerly an affiliate of ESPN Radio, the station changed to a news/talk format as "Noticias 800" on November 1, 2010.

[1] Cadena also formerly owned XEMMM-AM in Mexicali, which began as XEWV-AM in 1955 and was acquired along with XEWV-FM in 1974.

CBC sold XEMMM to Organización Editorial Mexicana's ABC Radio division in 2004.