Oceania Cruises

Oceanwide Transort Enterprise BV (O T E)

Ofotens Og Vesteraalens Dampskibsselskab

Olau

Olympic

Oranje Verz

Oriana

Orient Lines

Osco Shipping Service

Ostend Dover Compagnie

Ostend Dover Compagnie

Ostindienfararer

Overmmeer Amsterdam B V

Over-Seas-League