Like the larger U.S. legal industry, most law firms with a major presence in Washington, D.C., enjoyed revenue growth in 2019. But as with their counterparts elsewhere, the COVID-19 pandemic may wind up wiping away much of those gains.

Of 14 leading firms that either started in or have their center of gravity in the nation’s capital, all but three grew their top-line revenue last year by more than 1%, according to an analysis of the 2020 Am Law 100 released this week.