D.H. Mayou Roofing & Supply Co Inc. is a well-established roofing company located in Ottawa, IL, and has been serving the community since 1940. Specializing in commercial, industrial, and residential roofing services, the company prides itself on offering excellent service and quality workmanship. Originally a family-owned business, D.H. Mayou Roofing & Supply Co Inc. has grown over the past 80 years but remains committed to serving Ottawa and its surrounding areas. Their offerings include complete shingle roofs, shingle repair, modified roofs, and EPDM roofs, making them a versatile choice for various roofing needs.