Founded in 1979, Metro Brokers/GMAC Real Estate is one of the largest full-service real estate brokerage firms in the United States and one of the leading GMAC Real Estate franchises in the world. The firm was named the largest real estate service provider in Georgia for more than five consecutive years by Real Trends. Metro Brokers/GMAC Real Estate has more than 20 offices and offers a range of services, including residential and commercial sales; pre- and post-license training; corporate relocation; new home sales and marketing; and insurance, mortgage and title services. Metro Brokers/GMAC Real Estate operates a location in Cumming, Ga.