Active companies formerly headquartered in the region include AOL, Sallie Mae, Sigarms Inc., and US Airways. Defunct companies that were headquartered in the region include BearingPoint, Braddock Dunn & McDonald, Capital Airlines, Erol's, GeoEye, Hecht's, MCI Inc., Mobil, Mythic Entertainment, Nextel, Proxicom, PSINet, TechAmerica, TerreStar Corporation, UUNET, and Voxant.
