Baltimore region should celebrate its return to the Fortune 500 — then get to work leveraging it

For the past 67 years, Fortune magazine has compiled a listing of the top publicly held U.S. companies based on revenue, which many have used to gauge a region’s success and prominence in the American business world. If you’ve got a Fortune 500 company in your midst, you’re on the business map. Unfortunately, the Baltimore region has not had any companies on the Fortune 500 list since Constellation Energy was acquired by Exelon Corp. in 2012.