ABS-CBN (an initialism of its two predecessors' names, Alto Broadcasting System and Chronicle Broadcasting Network) is a Philippine commercial broadcast network that serves as the flagship property of the ABS-CBN Corporation, a company under Lopez Holdings Corporation owned by the López family. The network is headquartered at the ABS-CBN Broadcasting Center in Quezon City, with additional offices and production facilities in 25 major cities including Baguio, Naga, Bacolod, Iloilo, Cebu, Davao, and Bulacan, where ABS-CBN's production and post-production facility in Horizon IT Park is located. ABS-CBN is colloquially referred to as the Kapamilya Network; its brand was originally introduced in 1999 and was officially introduced in 2003 during the celebration of its 50th anniversary, and was used until its May 5, 2020, shutdown when the network was renamed Kapamilya Forever in support for the network's franchise renewal on May 13, 2020. ABS-CBN is the largest media company in the country and oldest television broadcaster in Southeast Asia.