Finnlines' subsidiaries, Finncarriers Oy Ab, a company specialized at sea transportation and FG-Shipping Oy Ab, a company specialized at ship management and technology, were recently merged to the mother company Finnlines Plc. In addition, port operation companies of Finnlines, Finnsteve Oy Ab, which is operating the ports of Helsinki and Oy A.E.Erickson Ab, which is operating the port of Turku, were also merged into one company called Finnsteve Oy Ab. Finnlines' German subsidiary Poseidon Schiffahrt AG has changed the company name to Finnlines Deutschland AG. The new company structure is in force since 1 January 2001. Shipping and Sea Transport Division includes Finnlines Cargo Services and Finnlink Services. Asser Ahleskog is in charge of Finnlines Cargo Services.