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.
Certify - Travel and Expense Report Management Software
Traxo - Traxo is a online travel tool that helps users automatically create and keep travel itinerary up-to-date.
OldRobo - Fun gamification to increase employees' engagement at work