< PrevNext > 94. ITW Glenview, Ill. Share 2018 U.S.-Booked Air Volume: $49 millionPrimary Global Online Booking Tool: ConcurPrimary U.S. Payment Supplier: American ExpressPrimary Global Expense Supplier: ConcurConsolidated U.S. TMC: Amex GBTITW's U.S.-booked air volume dipped $2 million in 2018 from 2017's $51 million. The company reduced global T&E 5 percent by reducing trips and issuing guidance on traveling smarter. Travelers' use of corporate cards also rose to 94 percent of all eligible spend, increasing the company's visibility. ITW continues to espouse direct booking, capturing itinerary data through SAP Concur triplink. ITW also refreshed its single, global travel policy last year.