Tripcatcher - Tripcatcher is a mileage app to keep track of travel expenses.
TripActions - TripActions is the corporate travel management company that helps you control costs and keep employees happy.
Traxo - Traxo is a online travel tool that helps users automatically create and keep travel itinerary up-to-date.
TravelPerk - Corporate Travel Management
Concur - Automated travel and expense management - your employees, travel managers and finance, too.
Egencia - Egencia is a corporate travel management system.