Booking Holdings Inc. is an American travel technology company based in Norwalk, Connecticut, that owns and operates several travel fare aggregators and travel fare metasearch engines including namesake and flagship Booking.com, Priceline.com, Agoda, Kayak, Cheapflights, Rentalcars.com, Momondo, and OpenTable. It operates websites in about 40 languages and 200 countries. The company is ranked 243rd on the Fortune 500 list of the largest United States corporations by revenue. The company primarily derives its revenue from commissions, with a small portion derived from advertising. In 2023, consumers booked 1,049 million room nights of accommodation, 74 million rental car days, and 36 million airplane tickets using websites owned by Booking Holdings. Wikipedia