ABS-CBN Corporation is a Filipino media company based in Quezon City, Metro Manila, Philippines. It is the largest entertainment and media conglomerate in the Philippines. It is a subsidiary of Lopez Holdings Corporation which is owned by the López family ABS-CBN was formed by the merger of Alto Broadcasting System (ABS) and Chronicle Broadcasting Network (CBN). ABS was founded in 1946 by American electronics engineer James Lindenberg as Bolinao Electronics Corporation (BEC). In 1952, BEC was renamed Alto Broadcasting System (ABS) with its corporate name, Alto Sales Corporation after Judge Antonio Quirino, brother of President Elpidio Quirino, purchased the company and later launched the first TV station in the country, DZAQ-TV on October 23, 1953. The company that would later be merged with ABS to form ABS-CBN was founded in 1956 as Chronicle Broadcasting Network, Inc. (CBN) by Eugenio Lopez Sr. and his brother Fernando Lopez, who was the sitting Vice President of the Philippines. A year later, the Lopezes acquired ABS. The ABS-CBN brand was first used on television in 1961. The company became known as ABS-CBN Broadcasting Corporation on February 1, 1967. The conglomerate started to adapt the ABS-CBN Corporation name on May 27, 2010 to reflect the company's diversification, although the ABS-CBN Broadcasting Corporation name is still used alternatively on some uses. The common shares of ABS-CBN were first traded on the Philippine Stock Exchange in July 1992 under the ticker symbol ABS. The conglomerate mainly focus as a content company, which includes producing television programs, films and other entertainment contents and distributions. History The company was founded on June 13, 1946, as Bolinao Electronics Corporation (BEC). BEC was established by James Lindenberg, one of the founding fathers of Philippine television, an American electronics engineer who went into radio equipment assembly and radio broadcasting. At that time, the largest media company was Manila Broadcasting Company (MBC), with DZRH as the leading radio station. In 1949, James Lindenberg shifted Bolinao to radio broadcasting with DZBC and masterminded the introduction of television to the country in 1953. In 1951, Lindenberg partnered with Antonio Quirino, brother of then-Philippine President Elpidio Quirino, in order to try their hand at television broadcasting. In 1952, BEC was renamed as Alto Broadcasting System or ABS (with Alto Sales Corporation as its corporate name). "Alto" was a contraction of Quirino's and his wife's first names, Tony and Aleli. Though they had little money and resources,