Prince William County ranks 222nd in trade with $76.47 million in exports in 2017.
Warren County ranks 218th in trade with $90.13 million in exports in 2017.
Austin-Round Rock metro area exported $12.45 billion in 2017, $573.15 million more than Washington-Arlington-Alexandria, according to the International Trade Administration.
Prince George's County ranks 180th in trade with $344.33 million in exports in 2017.
Arlington County ranks 168th in trade with $449.24 million in exports in 2017.