Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. Sabre Holdings or Sabre, Inc. (TSG) is an American privately held travel technology company, encompassing several brands in three global distribution system channels: travel agency, airline, and direct to consumer. These areas are serviced by TSG''s three main business groups. Divisions within each of these groups also service the business or corporate travel market.Sabre Holdings grew out of American Airlines and spun off with an IPO on March 15, 2000. It now employs approximately 9,000 people worldwide. It is headquartered in Southlake, Texas.