Grøndahl Og Dreyers Forlag A/S

The original "Dreyers Forlag Oslo" was founded in 1942 by Barthold Butenschøn who was publisher until he retired in 1979. In 1991, the company was sold to "Grøndahl & Søns Forlag" and "Grøndahl og Dreyers Forlag" arise. Publishing under this name ended in 1999 when it merged with Cappelen.