< PrevNext > 98. Hewlett Packard Enterprise Palo Alto, Calif. Share 2017 U.S.-Booked Air Volume: $44.4 millionPrincipal Air Suppliers: United & DeltaPrincipal Hotel Suppliers: Marriott & HiltonPrincipal Car Rental Supplier: AvisPrincipal Global Online Booking Tool: ConcurPrincipal Global Expense Supplier: Proprietary toolPrincipal Payment Supplier: CitiPrimary U.S. TMC: CWTConsolidated Non-U.S. TMC: CWTIn 2017, Hewlett Packard Enterprise completed two successful divestitures, and its U.S.-booked air volume fell 66 percent in 2017 from 2016's $131 million. The company also implemented Citi corporate cards globally, and the travel team met its targets for costs and total value and drove compliance to its strategic meetings management program. In terms of travel policy changes, HPE reduced the number of travelers categorized as executive, eliminated black car service for executives, implemented a pretrip approval tool and implemented meal/catering restrictions. In 2018, the company plans to review its business class travel policy, as well as its train strategy and policy. Carlson Wagonlit Travel handled 82 percent of HPE's U.S.-booked air volume in 2017. Seventy-one percent of the company's U.S.-booked air volume was for domestic travel. Eighty-four percent of U.S.-booked air volume was done on approved online channels, 57 percent of that without the help of an agent. The company has a single global travel policy and an individual bill/central pay card program. Total revenue for the company was $37.4 billion.