Hahn Roofing - Member Listings All current members are listed alphabetically. You may search the full list or filter the results by clicking on a letter. Go back to directory. Add to Address Book. Hahn Roofing Hahn Roofing Contact: Robert Maddox Work 701 S. 22nd Street Fort Dodge IA 5051-5432 USAwork Work Phone: 800-368-7833work Work Email: firstname.lastname@example.orgINTERNET Website: http://www.hahnroofing.com/ Categories: Commercial Roofing, Residential Roofing Updated 6 years ago.