< PrevNext > 50. General Dynamics Falls Church, Va. Share 2016 U.S.-Booked Air Volume: $84 millionPrincipal Online Booking Tool: ConcurPrincipal Expense Supplier: ConcurAccording to BTN's estimate, General Dynamics' 2016 U.S.-booked air volume decreased 12 percent from $89 million in 2015. The global aerospace and defense company's revenue remained fairly flat at $31.4 billion in in 2016. According to the company's annual report, fewer aircraft deliveries in the company's aerospace group were offset by higher U.S. Navy engineering and ship construction work in its marine systems group and higher C4ISR (command, control, communications, computers, intelligence, surveillance and reconnaissance) solutions volume in its information systems and technology group. The U.S. government represented 60 percent, or $18.8 billion, of revenue in 2016, up 5 percent from the previous year. In 2016, General Dynamics secured more than $25 billion in new orders. At the end of the year, its backlog of orders, an indicator of demand, totaled $59.8 billion, with $23.3 billion of work expected to be completed in 2017. Last year, the company acquired aircraft management and charter services provider Avjet and unmanned underwater vehicles manufacturer Bluefin Robotics. At the end of the year, it had 98,800 employees.