These corporations’ enterprise management and success additional bolster Maryland as a superb match for a significant firm’s company headquarters. Three different corporations within the state are additionally listed on the Fortune 500: Lockheed Martin, No. 49, and Marriott Worldwide, No. 293, each primarily based in Bethesda; and Discovery, No. 290, primarily based in Silver Spring. It’s price noting that Exelon, No. 92 on the Fortune 500, has a regional headquarters in Baltimore.