< PrevNext > 61. L3 Technologies New York City Share 2017 U.S.-Booked Air Volume: $65 millionConsolidated Non-U.S. TMC: Amex GBTL3 spent slightly less on U.S.-booked air travel in 2017 than it did a year earlier. It employs 31,000 worldwide and provides communication, electronic and sensor systems used on military, homeland security and commercial platforms. L3 is also a prime contractor in aerospace systems, security and detection systems and pilot training. The company reported 2017 sales of $9.6 billion.