< PrevNext > 12. GE Boston Share 2017 U.S.-Booked Air Volume: $200 millionPrincipal Online Booking Tool: GetTherePrincipal Payment Supplier: American ExpressPrincipal Expense Supplier: ConcurConsolidated Global TMC: CWTGE's U.S.-booked air volume dropped by a third in 2017. Last year, it introduced an internal mobile app that gives employees' managers and business unit leaders insights into their travel spend. The app notifies an employee's manager when he or she books travel, and business unit leaders can use the app to look for ways to cut travel costs and optimize travel spend. Also in 2017, the company completed its acquisition of oil and gas firm Baker Hughes. It also plans to redouble its focus on China, India and emerging markets like Southeast Asia, the Middle East and Africa. Revenue fell 1 percent in 2017 to $122.1 billion.