Cotterman and Company, Inc. is an award-winning leader in the Industrial and Commercial roofing industry, specializing in New Construction, Reroofs, Roof Repairs, and Roof Maintenance Programs. With over 100 qualified employees, offices in Dayton, Minster, and Columbus, Ohio, and a commitment to customer service, we have developed a reputation for quality work, quick response time, and professionalism. We are dedicated to preserving customer trust by providing quality work, dealing openly and directly with customers, and maintaining a safe, drug-free work environment.