< PrevNext > 34. Northrop Grumman Falls Church, Va. Share 2015 U.S.-Booked Air Volume: $106.8 million2015 Global Air Volume: $110.2 million2015 U.S. T&E: $264 million2015 Global T&E: $270 millionPrincipal Air Suppliers: American, Delta, UnitedPrincipal Hotel Suppliers: Hilton, InterContinental, MarriottPrincipal Car Rental Suppliers: Avis, BudgetPrincipal Online Booking Tool: Concur TravelPrincipal Expense Supplier: Concur ExpensePrincipal Card Supplier: JPMorgan Chase VisaConsolidated Global TMC: BCD TravelNorthrop Grumman’s U.S.-booked air volume declined slightly in 2015. The defense contractor and global security company expects to hold volume steady this year. While most of its business is in the United States, it continues to expand internationally. It now operates in 25 nations and has a network of offices and local businesses in Europe, the Middle East and Asia/Pacific.In 2014, Northrop Grumman began expanding its managed travel program internationally and continued those efforts through 2015. Last year, the company’s global travel program expanded to the United Kingdom and Australia. This year, it continues to expand the program’s reach.Northrop Grumman is exploring tightening corporate credit card controls to mitigate risk. A single travel policy covers more than 80 percent of the organization’s travel spending, though there is some regional variance.In the United States, 91 percent of Northrop Grumman’s air tickets were reserved online. The company uses Concur Travel within and outside the United States. Concur Expense is the primary system U.S. travelers use to file expenses reports, though Microsoft Dynamics is used outside the United States.