| Abacus CRS: Provides Computer Reservation System (CRS) services specially tailored for customers in the Asia-Pacific market. |
| Amadeus GDS: The Amadeus global travel distribution system. |
| Axess: Japanese central reservation system. Features products, services, and news. In Japanese and English. |
| CentREZ International: Provides hotel members GDS and IDS representation to Amadeus, Galileo, Sabre, and Worldspan. |
| Galileo GDS: The Galileo global travel distribution system, also known as the Apollo system in North America and Japan. |
| GenaRes Worldwide Reservations Systems: Worldwide hotel reservation services provide GDS connections to Sabre, Apollo, Worldspan and Amadeus. Call center and web booking engine services also available. |
| GENESIS Travel Distribution System: A travel agency initiative to strengthen the travel distribution system and to launch the GENESIS Project, a re-engineering of the reservations, ticketing, settlement, and accreditation relationships between travel agents and air carriers. |
| HEDNA - Hotel Electronic Distribution Network Association: International not-for-profit trade association formed by hoteliers to promote the booking of hotel rooms through the use of Global Distribution Systems (GDSs), the Internet and other electronic hotel reservation methods. |
| Infini: Japanese CRS provider of travel information and services to the travel industry. |
| InnoSys Inc.: Provides GDS/CRS/airline host connectivity solutions, including gateways (TCP/IP, ALC, X.25), API, workstation, and printer software. |
| InnPoints Worldwide: Offers hotel marketing support, internet hotel reservation software, voice reservations and is a GDS provider for unique and boutique lodging. |
| Pegasus Solutions, Inc.: Provides transaction processing and electronic commerce services to the hotel industry worldwide. |
| REZlink International, Inc.: Provides interface with GDS distributors, real-time reservation technology, and central reservation system products. |
| Sabre GDS: The Sabre global travel distribution system. |
| WizCom International, Ltd.: Provider of Global Distribution Systems (GDS) and internet connectivity, Central Reservations Systems (CRS) and information services to the hotel, car rental and tour industries. |
| WorldRes: Connects member hotels worldwide with travelers via a global network of partner websites and call centers. |
| Worldspan GDS: The Worldspan global travel distribution system. |
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