Booking Holdings Inc., together with its subsidiaries, provides online and traditional travel and restaurant reservations and related services in the United States, the Netherlands, and internationally. The company operates Booking.com, which offers online accommodation reservations; and Priceline, which provides online travel reservation services, as well as consumers hotel, flight, activity, rental car reservation, vacation packages, cruises, and hotel distribution services. It also operates Agoda that offers online accommodation reservation, flight, ground transportation, and activities reservation services. In addition, the company operates KAYAK, an online meta-search service that allows consumers to search and compare travel itineraries and prices; OpenTable for booking online restaurant reservations, as well as reservation management services to restaurants; and Rentalcars.com. Further, it offers travel-related insurance products and restaurant management services to consumers, travel service providers, and restaurants; and advertising services. The company was formerly known as The Priceline Group Inc. and changed its name to Booking Holdings Inc. in February 2018. Booking Holdings Inc. was founded in 1997 and is headquartered in Norwalk, Connecticut.

Trip.com Group Limited, through its subsidiaries, operates as a travel service provider for accommodation reservation, transportation ticketing, packaged tours and in-destination, corporate travel management, and other travel-related services in China and internationally. The company acts as an agent for hotel-related transactions and selling air tickets, as well as provides train, long-distance bus, and ferry tickets; travel insurance products, such as flight delay, air accident, and baggage loss coverage; and air-ticket delivery, online check-in and seat selection, express security screening, real-time flight status tracker, and airport VIP lounge services. It also provides independent leisure travelers bundled packaged-tour products comprising group, semi-group, and customized and packaged tours with various transportation arrangements, including air, cruise, bus, and car rental services. In addition, the company offers integrated transportation and accommodation services; destination transportation and ticket, activity, insurance, visa, and tour guide services; user support, supplier management, and customer relationship management services; and in-destination products and services. Further, It provides its corporate clients with business visit, incentive trip, meeting and conference, travel data collection and analysis, and industry benchmarking solutions; and Corporate Travel Management System, an online platform that integrates information management, online booking and authorization, online inquiry, and travel reporting systems. Additionally, the company offers online advertising and financial services, such as marketing planning and travel media services. It operates under the Ctrip, Qunar, Trip.com, and Skyscanner brands. The company was formerly known as Ctrip.com International, Ltd. and changed its name to Trip.com Group Limited in October 2019. Trip.com Group Limited was founded in 1999 and is based in Singapore.

Expedia Group, Inc. operates as an online travel company in the United States and internationally. The company operates through B2C, B2B, and trivago segments. Its B2C segment includes Brand Expedia, a full-service online travel brand offers various travel products and services; Hotels.com for lodging accommodations; Vrbo, an online marketplace for the alternative accommodations; Orbitz, Travelocity, Wotif Group, ebookers, CheapTickets, Hotwire.com and CarRentals.com. The company's B2B segment provides various travel and non-travel companies including airlines, offline travel agents, online retailers, corporate travel management, and financial institutions who leverage its travel technology and tap into its diverse supply to augment their offerings and market Expedia Group rates and availabilities to its travelers. Its trivago segment, a hotel metasearch website, which send referrals to online travel companies and travel service providers from hotel metasearch websites. In addition, the company provides brand advertising through online and offline channels, loyalty programs, mobile apps, and search engine marketing, as well as metasearch, social media, direct and personalized traveler communications on its websites, and through direct e-mail communication with its travelers. The company was formerly known as Expedia, Inc. and changed its name to Expedia Group, Inc. in March 2018. Expedia Group, Inc. was founded in 1996 and is headquartered in Seattle, Washington.

MakeMyTrip Limited , an online travel company, sells travel products and services. The company operates through three segments: Air Ticketing, Hotels and Packages, and Bus Ticketing. It offers various services and products, including booking of air and bus tickets; hotels and packages; rail tickets; car hire; and ancillary travel requirements, such as facilitating access to third-party travel, other insurance products, foreign currency exchange services, and visa processing under the MakeMyTrip, Goibibo, and redBus brand names. The company allows travelers to research, plan, book, and purchase travel services and products through its websites comprising makemytrip.com, goibibo.com, redbus.in, makemytrip.com.sg, and makemytrip.ae; and other technology-enhanced distribution channels, including call centers, travel stores, and travel agents network, as well as mobile service platform. The company serves leisure and corporate travelers. MakeMyTrip Limited was formerly known as International Web Travel Private Limited and changed its name to MakeMyTrip Limited in March 2010. The company was incorporated in 2000 and is based in Gurugram, India.

Travel + Leisure Co., together with its subsidiaries, provides hospitality services and travel products in the United States and internationally. The company operates in two segments, Vacation Ownership; and Travel and Membership. The Vacation Ownership segment develops, markets, and sells vacation ownership interests (VOIs) to individual consumers, as well as provides consumer financing in connection with the sale of VOIs; and property management services at resorts. The Travel and Membership segment operates various travel businesses, including three vacation exchange brands, travel technology platforms, travel memberships, and direct-to-consumer rentals. This segment also offers private-label travel booking technology solutions. The company was formerly known as Wyndham Destinations, Inc. and changed its name to Travel + Leisure Co. in February 2021. Travel + Leisure Co. was founded in 1990 and is headquartered in Orlando, Florida.

Despegar.com, Corp., an online travel company, provides a range of travel and travel-related products to leisure and corporate travelers through its websites and mobile applications in Latin America and the United States. It operates through three segments: Air; Packages, Hotels, and Other Travel Products; and Financial Services. The company sells airline tickets, travel packages, hotel rooms, car rentals, bus and cruise tickets, travel insurance products, destination services, and other travel-related products, which enable consumers to find, compare, plan, and purchase travel products through its marketplace. It also provides a technology platform for its travel suppliers to manage the distribution of their travel products and access to traveler customers. In addition, the company offers loan origination services to its travel business' customers and to customers of other merchants in various industries; payment processing, fraud identification, credit scoring and IT services to travel business and third-party merchants; and Koin, an online payment and consumer lending services platform. Further, it provides advertising and media solutions to advertisers. The company offers travel products and services under the Despegar, Despegar.com, Decolar, Decolar.com, Best Day, BD Experience, Viajanet, Stays, and HotelDo brand names. Despegar.com, Corp. was founded in 1999 and is headquartered in Road Town, the British Virgin Islands.

Travelzoo, together with its subsidiaries, operates as an Internet media company that provides travel, entertainment, and local experiences worldwide. It operates in four segments: Travelzoo North America, Travelzoo Europe, Jack's Flight Club, and New Initiatives. The company offers Travelzoo website, Travelzoo Top 20 email newsletters, Standalone email newsletters, Travelzoo Network, Travelzoo mobile applications, Jack's Flight Club website, Jack's Flight Club mobile applications, and Jack's Flight Club newsletters. The company's Travelzoo website and newsletters include local deals and getaways listings that allow members to purchase vouchers for offers from local businesses, such as spas, hotels, and restaurants; Jack's Flight Club, a subscription service that provides members with information about exceptional airfares; and Travelzoo Network, a network of third-party websites that list travel deals published by the company. It serves airlines, hotels, cruise lines, vacations packagers, tour operators, destinations, car rental companies, travel agents, theater and performing arts groups, restaurants, spas, and activity companies. Travelzoo Inc. was incorporated in 1998 and is headquartered in New York, New York.

trivago N.V., together with its subsidiaries, operates a hotel and accommodation search platform in the United States, Germany, the United Kingdom, Canada, Japan, and internationally. It offers an online meta-search for hotels and accommodation through online travel agencies, hotel chains, and independent hotels. The company provides travel search for different types of accommodations, such as hotels, vacation rentals, and apartments; and enable advertiser access through website and apps. In addition, it offers access to its platform through various localized websites and apps in various languages. The company was incorporated in 2005 and is headquartered in Düsseldorf, Germany. trivago N.V. operates as a subsidiary of Expedia Lodging Partner Services Sarl.