Corporate Travel Management Systems
 
 
Systems mainly available on the US market
- AXI (Amex and Microsoft) and Sabre BTI dominates
 - E-Travel, Via World Network and Xtra Online (XOL), GetThere
 - GDS products (Trip Manager, Amadeus Corporate Traveler etc.)
 
Hard to implement in the market 
Changes in ownership and business policy
- Amex markets GetThere.com instead of AXI for SMEs
 - GDSes buys other systems: Worldspan - XOL, Galileo -Trip.Com 
 - Via from travel service provider to system provider 
 
Corporate services strengthened in other systems
- GetThere, Delta with corporate rates