Drammen og Omegn Busslinjer was a Norwegian bus company operating in Greater Drammen until 1999 when it was sold to Nettbuss because of financial difficulties and renamed Nettbuss Drammen.
A Norwegian bus company serving the Drammen region ceased operations in 1999 due to financial issues and was subsequently sold to Nettbuss, which then repositioned itself as a local bus service under the name Nettbuss Drammen.