< PrevNext > 98. Caterpillar Deerfield, Ill. Share 2017 U.S.-Booked Air Volume: $44.4 million2017 Global Air Volume: $76.7 million2017 Global T&E: $220 millionPrincipal Air Suppliers: United & DeltaPrincipal Hotel Suppliers: Hilton, InterContinental & MarriottPrincipal Car Rental Suppliers: National & EnterprisePrincipal U.S. Online Booking Tool: ConcurPrincipal Non-U.S. Online Booking Tool: e-Travel ManagementPrincipal Global Expense Supplier: ConcurPrincipal Payment Supplier: US BankConsolidated Global TMC: BCD In 2017, Caterpillar, whose revenue was $45.5 billion in 2017, improved the discounts and reporting it receives from its airline partners. The company has a single global policy but last year reduced the number of regional exceptions in its air policy. This year, it plans to clarify its premium class policy and decide whether to remove premium economy. Caterpillar's U.S.-booked air spend rose $8.5 million in 2017, and the manufacturer projects a similar increase, $8.6 million, this year. Of the company's 2017 U.S.-booked air spend, 56 percent was for international travel. Three-fourths of Caterpillar's 2017 U.S.-booked airline tickets went through approved online tools, and 70 percent of those required no agent assistance. The company's card program is individual bill/central pay.