< PrevNext > 80. Amgen Thousand Oaks, Calif. Share 2016 U.S.-Booked Air Volume: $54 millionPrincipal Air Suppliers: United, Delta, SouthwestPrincipal Hotel Suppliers: Marriott, HiltonPrincipal Car Rental Supplier: HertzPrincipal Online Booking Tool: ConcurPrincipal Card Supplier: American ExpressPrincipal Expense Supplier: ConcurConsolidated Global TMC: Carlson Wagonlit TravelPharmaceutical and biotechnology firm Amgen optimized $1.9 million in savings in 2016 by focusing on policy compliance, savings strategies and program satisfaction. For 2016, Amgen reported 89 percent travel policy compliance and an online adoption rate of 77 percent. Sixty percent of tickets were issued 14 days in advance, and 94 percent of nonrefundable tickets were reused. Amgen also reported a travel program satisfaction rating of 8.5 on a 10-point scale. The company increased its U.S.-booked air volume 6 percent in 2016 and expects that figure to increase to $57.2 million in 2017. For 2017, the company expects to continue its focus on travel policy compliance and officially incorporate ride share service Uber into Amgen's travel program. The company reported $22.9 billion in annual revenue for 2016.