Based in Stockholm, Scandinavian Airline System (SAS) is the national airline of three Scandinavian States: Denmark, Norway, and Sweden, operating from three primary hubs at Copenhagen-Kastrup Airport, Stockholm-Arlanda Airport, and Oslo Gardermoen Airport. SAS network consists of extensive regional services within Scandinavia and Europe as well as international services to Asia and North America.

IGAT provides back end services to SAS and has been associated with the airline for over 20 years.