Travelport helps people with their journeys, whether it be by land, air, or sea. Through its primary Global Distribution Systems (GDS) division, the firm operates electronic reservation platforms Worldspan and Galileo and travel agency service provider THOR. GDS connects travel agencies, websites, and corporations with travel suppliers worldwide. Air carriers are served by Travelport Airline IT Solutions, which offers high-tech business tools and services. The travel conglomerate serves travel agencies, corporate travel departments, and owns about 48% of online travel company Orbitz Worldwide. Investment giant The Blackstone Group owns a controlling stake in Travelport.