Roofing Contractor in Wilmington NC. At Excel Roofing Company, We'll perform to the highest standards of quality while either performing an small roofing repair or a complete roof replacement. Excel Roofing Company is a roofing contractor providing residential roofing and commercial roofing in Wilmington NC and surrounding counties. Contact us today for your next roofing project or roofing repair and we'll provide with a free roofing estimate.