GMA

GMA Network, Inc. (Global Media Arts), a Philippine multi-media conglomerate, is a television network in the Philippines. GMA provides news and entertainment programs through its forty-seven fully owned television relay stations, four affiliate television stations and thirty-four radio stations throughout the Philippines. The network also offers its shows worldwide through GMA Pinoy TV, GMA Life TV and Internet TV.
Its headquarters are located at the GMA Network Center at EDSA, Diliman, Quezon City. With transmitters at Tandang Sora, Quezon City. Atty. Felipe Gozon is its current Chairman and CEO. In Metro Manila, it uses terrestrial VHF Channel 7 (DZBB-TV), Channel 11 (DZOE-TV, leased from ZOE Broadcasting Network, operated by Q) and terrestrial UHF Channel 27 (DWDB-TV), it also uses the AM radio station DZBB and FM radio station DWLS.

Source: http://en.wikipedia.org/wiki/GMA_Network