Nedre Vøiens Bomuldsspinderie was a textile manufacturing company in Oslo, Norway.
In 1844 Knud Graah bought the rights to a part of Akerselva near the farm Nedre Vøien, together with his brother-in-law Niels O.
In 1845 he travelled to Manchester to buy machinery and recruit skilled employees to a textile factory.
The spinnery operations were demerged from Knud Graah & Co in 1919, and managed by an independent company.
Knud Graah & Co existed a few years as a wholesaling and real estate company.