Carnival Cruise Line is the largest cruise company in the world, based on passengers carried, and the flagship brand of Carnival Corporation & plc, which is traded on both the New York and London stock exchanges. Known as “America’s Cruise Line” for carrying more Americans and serving more U.S. homeports than any other, Carnival was named the four-time winner of Best Ocean Cruise Line in USA Today’s 10Best Awards and Best Domestic Cruise Line by Travel Weekly readers for five consecutive years.