the Holland America Line during the 1950s and 60s. Nederlandsch-Amerikaansche Stoomvaart Maatschappij / Holland America Line The Ships List Holland-America Line History and Ephemera GG Archives Carnival Corporation & plc Companies based in Seattle Cruise lines Dutch companies established in 1873 History of Rotterdam Shipping companies of the Netherlands Shipping companies of the United States Transatlantic shipping companies Transport companies established in 1873 1989 mergers and acquisitions