Work With a Trustworthy Roofing Contractor SERVING CLIENTS IN NORCROSS, GA AND THE GREATER ATLANTA AREA G & O Roofing, Inc. is a roofing contractor based in Norcross, GA. Commercial property owners, church caretakers and homeowners throughout the greater Atlanta area depend on us for a wide range of roofing services. Get a free roof repair service estimate by calling 770-864-0653 or 770-935-1311 right away.