Liberty Broadcasting System was created in 1948.
Liberty Broadcasting System ended in 1952.
Liberty Broadcasting Network was created in 1986.
Broadcasting System of San-in was created in 1954.
Shizuoka Broadcasting System was created in 1952.
Kalayaan Broadcasting System was created in 2001.
Amalgamated Broadcasting System was created in 1933.
Yamanashi Broadcasting System was created in 1954.
Seoul Broadcasting System was created in 1990.
Maritime Broadcasting System was created in 1969.
Spanish Broadcasting System was created in 1983.
Educational Broadcasting System was created in 1990.
Korean Broadcasting System was created in 1961.