Amadeus is an IT solutions company that provides reservation systems and business solutions for the travel and tourism industry. It serves over 75,000 travel agencies and 11,000 airline sales offices globally, primarily in Europe, the Middle East, and Africa. Amadeus books flights on 500 airlines and allows customers to make reservations with major hotel chains, car rental agencies, cruise lines, and tour operators. It has continued innovating its products and services since the 1990s to facilitate travel arrangements for both leisure and corporate customers.