< PrevNext > 5. EY London Share 2016 U.S.-Booked Air Volume: $258.5 million2016 Global Air Volume: $529.3 million2016 U.S. T&E: $827 million2016 Global T&E: $1.72 billionPrincipal Airline Suppliers: Delta, United, AmericanPrincipal Hotel Suppliers: Marriott, Starwood, HiltonPrincipal Car Rental Suppliers: National, HertzPrincipal Online Booking Tools: GetThere, e-Travel ManagementPrincipal Payment Supplier: American ExpressPrincipal Expense Supplier: Proprietary systemConsolidated U.S. TMC: Amex GBTEY trimmed $9 million from in its U.S.-booked air volume for the 2017 fiscal year, which ended June 30. The professional services firm has explored ways to cut travel costs, including robotics to improve advance-booking policy compliance and hotel booking compliance. This year, EY is implementing additional cost-reduction policies, including tighter restrictions on class of service allowed and advance-booking policies for internal travel. EY renewed global airline contracts last year without a bidding process. The company seeks to drive more hotel bookings through its travel management companies, for both policy management and security reasons. It launched Tripbam in the U.S and Canada last year to cut hotel costs and this year is overhauling its lodging RFP process to give travelers more choice outside preferred hotels. EY's travel program in the U.S. is fully consolidated with American Express Business Travel, and Carlson Wagonlit Travel and HRG handle travel needs outside the U.S. GetThere is EY's preferred booking tool in the U.S., and Amadeus e-Travel Management is its primary tool outside the U.S. EY is expanding use of online booking tools worldwide and launched them in nine countries last year, including Malaysia and the United Arab Emirates.