Royal Caribbean International was a cruise line known for large ships with multiple entertainment options and moderate pricing. In 2007, the company entered the premium cruise line business by launching Azamara Club Cruises.

Owned by an Italian and Swiss company, MSC offers cruises with a distinctive Italian flair and caters to a diverse clientele of passengers including families with children of all ages, middle aged and younger couples, and fun seekers.

Launched in the 1960s with a focus on sailings to the Caribbean out of Miami, Norwegian has grown into the third largest cruise line operator in the world based on annual passengers with itineraries that include voyages to most parts of the world.

Celebrity Cruises is a premium cruise line with large ships that has been owned by the Royal Caribbean Group since 1998.

Viking Cruises has been one of the leading river cruise companies for decades offering dozens of itineraries throughout the waterways of Europe and Asia, and special destinations like the Nile River and Russia.

Oceania Cruises was launched in 2002 by a group of experienced cruise line executives who saw space in the marketplace for a new company seeking to satisfy the needs of aging American baby boomers and world travelers for a small ship cruise line focused on fine cuisine and specialty services at a price slightly below traditional luxury brands.

Princess Cruises is a well-established cruise line that has been traveling the world since 1965.