Under the MileOne Brand, Atlantic Automotive, Hall Automotive and Russel Automotive represent 28 automobile brands and 74 franchises operating at 41 dealership locations through the Hall, Heritage, Herb Gordon, and MotorWorld Automotive Groups along with Mercedes-Benz of Annapolis. MileOne also operates 9 body shops and provides leasing services through the Allstate division. In addition, the MileOne group includes HRFC, an automobile finance company which provides indirect lending for used vehicles sold exclusively by MileOne Dealerships.

The MileOne model provides for all the automotive needs of its customers conveniently, on their own terms, through the largest automotive sales and service delivery network throughout Maryland, Pennsylvania, Virginia and North Carolina