 To operate these ships, a new company Oy Finnlines Ltd, was founded in November 1947.Finnlines was a 100% subsidiary of Merivienti and owned no ships of its own—instead the Merivienti ships were operated by and marketed as Finnlines.In subsequent years, vessels owned by other companies, such as Enso-Gutzeit (for whom they managed ), Neste, Outokumpu, Yhtyneet Paperitehtaat, Amer-Tupakka and Thomesto.