Rederier O / Shipping Companies O.

Oceania Cruises

Odder Kommune.

O.F.Ahlmark & Co.

Oden Line.

OK Rederiet.

Olau Line.

Olympic Ferries.

Onstads Rederi A/S.

Oostend Lines.

Orange-Linjen.

Ornö Sjötrafik Ab.

OT-Rederiet.

Owen Sund Transportation.

Oy Vasa-Umeå Ab.

Tillbaka.