< PrevNext > 86. Amgen Thousand Oaks, Calif. Share 2015 U.S.-Booked Air Volume: $53.5 million2015 Global T&E: $210 millionPrincipal Air Suppliers: Delta, UnitedPrincipal Hotel Suppliers: Hilton, Hyatt, MarriottPrincipal Car Rental Supplier: HertzPrincipal Online Booking Tool: Concur TravelPrincipal Card Supplier: American ExpressConsolidated Global TMC: Carlson Wagonlit TravelPharmaceutical and biotechnology firm Amgen increased its U.S.-booked air volume 8.1 percent in 2015. The company projects a more modest 6 percent increase this year. Raising travel policy compliance was a focus for Amgen in 2015, so while the company did not make any major changes to policy, it ramped up enforcement. About 70 percent of Amgen’s U.S.-booked air went through its primary booking tool, Concur Travel, which the company wants to consolidate globally. Amgen’s travel program is consolidated with Carlson Wagonlit Travel globally.