Colorline - Sailing from Oslo, Sandefjord, Larvik, and Kristiansand in Norway, to Stromstad (Sweden), Hirtshals (Denmark), and Kiel (Germany).
DFDS
Seaways - Popular Ferry with connections across the North Sea.
Fjordline -
Travels between Stavanger and Bergen in Norway, and Hirtshals in Denmark.
Hurtigruten - Norway's largest ferry and cruise ship operator. You can use Hurtigruten to sail along most of Norway, all the way to Svalbard. You can even
sail as far as Antarctica.
Stena Line - Another popular ferry company with connections between 10 North European countries.
Torghatten Nord - Ferry and speed boat operator with many routes in Northern Norway.
Bastø
Fosen - Single route between Horten and Moss in the Oslofjord.