< PrevNext > 50. General Dynamics Falls Church, Va. Share 2017 U.S.-Booked Air Volume: $80 millionPrincipal Online Booking Tool: ConcurPrincipal Expense Supplier: ConcurPrimary U.S. TMC: BCDDefense contractor and aerospace company General Dynamics in 2017 spent about 5 percent less on U.S.-booked air travel than it did in 2016, according to a BTN estimate. Revenue increased about 1.3 percent in 2017 to about $31 million. Operating costs and expenses declined less than one-10th of a percent to $26.8 billion. In April 2018, General Dynamics completed its $9.7 billion acquisition of IT services firm CSRA, which now resides in General Dynamics' Information Technology business. At year-end 2017, General Dynamics employed about 98,600 people, about 200 fewer than it had one year earlier. CSRA in March 2017 had 18,500 employees.