< PrevNext > 12. Microsoft Redmond, Wash. Share 2016 U.S.-Booked Air Volume: $203 million2016 Global Air Volume: $370 million2016 Global T&E: $900 millionPrincipal Air Suppliers: Alaska, American, DeltaPrincipal Hotel Suppliers: Hyatt, Marriott, WestinPrincipal Online Booking Tool: ConcurPrincipal Card Supplier: American ExpressPrincipal Expense Supplier: Microsoft DynamicsConsolidated Global TMC: Amex GBTLast year, Microsoft focused heavily on technology development, data aggregation and launching the Roadmap app. The team created a Microsoft Azure data lake with 11 data sources to gain greater insight into traveler behavior and to better share dashboards with suppliers. These dashboards encompass contract utilization, account management and spend trends. Microsoft employees primarily use Concur for booking in the U.S. and Asia while utilizing Amadeus e-Travel Management in EMEA. Microsoft continues to collaborate with travel tech startup Tripism, a social review and traveler support tool. Globally, the company's travel program serves 75,000 travelers.