Azamara Club Cruises (formerly Azamara Cruises) is an up-market cruise line owned by the Norwegian-American company, Royal Caribbean Cruises Ltd., as one of their subsidiaries. The line currently operates two ships, Azamara Journey and Azamara Quest.
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 Carnival Cruise Lines is a British-American owned cruise line, based in the Doral suburb of Miami, Florida in the United States. Originally an independent company founded in 1972 by Ted Arison, the company is now one of eleven cruise ship brands owned and operated by Carnival Corporation & PLC. |
 Celebrity Cruises is a cruise line founded in 1988 by the Greek Chandris Group. In 1997, Celebrity Cruises Ltd. merged with Royal Caribbean International to become Royal Caribbean Cruises Ltd., which operates Celebrity, Royal Caribbean International, Azamara Club Cruises, Pullmantur Cruises and CDF Croisieres de France. |
 Costa Cruises (Italian: Costa Crociere S.p.A.) is a British-American owned Italian cruise line, based in Genoa, Italy. Founded in 1924, the company originally operated cargo ships, until the introduction of passenger services in 1947, with regular services between Italy and South America. |
 Crystal Cruise Lines, most commonly seen as Crystal Cruises, is a luxury cruise line founded in 1988 and notable for its two medium-sized, high-end ships, Crystal Symphony and Crystal Serenity, which each hold about 1,000 guests. |
 Cunard Line is a British-American owned shipping company based at Carnival House in Southampton, England and operated by Carnival UK. It has been a leading operator of passenger ships on the North Atlantic for over a century. |
 Disney Cruise Line is an American cruise line company owned and operated by Walt Disney Parks and Resorts, a division of The Walt Disney Company and is headquartered in Celebration, Florida. The business is run by President Karl Holz as part of the Walt Disney Parks and Resorts division. |
 The Holland America Line was founded in 1873 as the Dutch-America Steamship Company (Dutch: Nederlandsch-Amerikaansche Stoomvaart Maatschappij), a shipping and passenger line. Headquartered in Rotterdam and providing service to the Americas, it became known as Holland America Line. |
 Norwegian Cruise Line (NCL) is a company operating cruise ships, headquartered in unincorporated Miami-Dade County, Florida. It began operations in 1966 under the name Norwegian Caribbean Line. |
 Princess Cruises is a British-American owned cruise line, based in Santa Clarita, California in the United States. Previously a subsidiary of P&O Princess Cruises PLC, the company is now one of eleven cruise ship brands operated by Carnival Corporation & PLC. |
 Royal Caribbean International is a Norwegian/American cruise line brand based in Miami, Florida and owned by Royal Caribbean Cruises Ltd.. With 42 ships in service under 5 different brands and one more under construction, it controls a 24.8% share of the world cruise market. |
 Viking River Cruises is an international company that operates a fleet of 18 river cruising vessels along the rivers of Europe, Russia, Ukraine and China. Viking has offices in Germany, England, Australia, Switzerland, Russia, France and China as well as additional sales offices in the United States. |