Norsk Forurensningskontroll was created in 1983.
Norsk Forurensningskontroll ended in 1986.
Norsk Medisinaldepot was created in 1957.
Norsk Rikstoto was created in 1982.
Norsk Kontantservice was created in 2001.
Norsk Toppfotball was created in 1972.
Norsk Tindeklub was created in 1908.
Norsk Retstidende was created in 1836.
Norsk Luftambulanse was created in 1977.
Norsk Flyforsikringspool was created in 1919.
Norsk Jernverk was created in 1946.
Norsk Eiendomsinformasjon was created in 1987.
Norsk Hydro was created in 1905.