Mason City Roofing Co - 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. Mason City Roofing Co Mason City Roofing Co Contact: Ernie Martinez Work 609 S Adams St. Mason City IA 50401 USAwork Work Phone: 641-423-6023work Work Email: email@example.comINTERNET Website: http://www.masoncityroofing.com/ Categories: Commercial Roofing, Residential Roofing Updated 7 years ago.