Short Business Description A&A Roofing is recognized for its premium roofing services, quality roof products, and excellent staff. We can help you with your roofing needs. A&A Roofing Yankton, SD has outstanding roofing knowledge and training, which allows us to provide the best roofing solution. A&A Roofing is a GAF Factory Certified Roofing Contractor. Contact us for a free, zero obligation, roof inspection.