Marriott International, Inc. driver, franchiser og licenserer hotel-, bolig- og timeshareejendomme over hele verden. Virksomheden opererer gennem North American Full-Service, North American Limited-Service og Asia Pacific-segmenterne. Det driver sine ejendomme under JW Marriott, The Ritz-Carlton, Ritz-Carlton Reserve, W Hotels, The Luxury Collection, St. Regis, EDITION, Bulgari, Marriott Hotels, Sheraton, Delta Hotels, Marriott Executive Apartments, Marriott Vacation Club, Westin, Renaissance, Le Méridien, Autograph Collection, Gaylord Hotels, Tribute Portfolio, Design Hotels, Courtyard, Residence Inn, Fairfield by Marriott, SpringHill Suites, Four Points, TownePlace Suites, Aloft, AC Hotels by Marriott, Protea Hotels, Element og Moxy mærkenavne. Den 25. august 2021 drev det cirka 7.800 ejendomme under 30 hotelmærker i 138 lande og territorier. Marriott International, Inc. blev grundlagt i 1927 og har hovedkvarter i Bethesda, Maryland.