It's no surprise the growing business hub of Tysons claims some of the fastest growing companies in the U.S. This year, one company came in at number 12 on the latest Inc. 5000 list. Inc. Magazine compiled the 2019 list of companies based on the percent of revenue growth from 2015 to 2018. Qualifying companies must be based in the U.S. and be privately held. The 12th spot belonged to Urgently, a global mobility and roadside assistance app.