Founded in 1968, Long & Foster Real Estate Inc. is one of the largest real estate companies in the Mid-Atlantic region. Based in Winchester, Va., the company offers relocation, settlement services, mortgage services, title and insurance services, among others. Long & Foster Real Estate Inc. renders mortgage services through its subsidiary, Prosperity Mortgage. The firm provides an array of insurance services, including personal lines, commercial lines, financial lines and group benefits. It caters to a number of areas, such as Maryland, West Virginia, New Jersey, Pennsylvania and Delaware.