Credentials: Midwest Roofing Services has partnered with the top manufacturers in the industry. Midwest Roofing has been awarded the prestigious certification of Master Select by the largest roofing manufacturer in North America, “GAF Materials Corp.”. This certification is reserved for the Top 2% of the roofing contractors nation wide. Midwest Roofing is also certified applicators for the following manufacturers. Versico Roofing Systems, Certainteed Commercial Roofing and Topps Products, Inc. This partnership allows us to provide the following types of roofing applications with extended manufacturers warrantees. Thermoplastic (PVC and TPO), Thermoplastic Fleece Back, Epdm, Modified Bitumen, Built up Roofing, Roof Coatings, Metal Roof Restorations.