Starwood Hotels was a prominent hotel and leisure company known for its diverse portfolio of brands, including Sheraton, Westin, and St. Regis. Founded in 1960, it became a major player in the hospitality industry, offering a range of accommodations from luxury to budget-friendly options. In 2016, Starwood Hotels was acquired by Marriott International, significantly expanding Marriott's global reach. The merger combined over 5,700 properties across various brands, enhancing customer loyalty programs and providing travelers with more choices and benefits worldwide.