Air Nippon Network was created in 2001.
Nippon News Network was created on 1951-10-28.
All-Nippon News Network was created in 1959.
Air Nippon was created in 1974-03.
All Nippon Air Line was created on 2008-02-26.
Sports Nippon was created in 1948.
Nippon Columbia was created in 1910.
Nippon Camera was created in 1950.
Nippon Soul was created in 1963.
Nippon Oil was created in 1888.
Nippon Animation was created in 1962.
Nippon Budokan was created in 1964.
Nippon Steel was created in 1950.