Koch Construction - 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. Koch Construction Koch Construction Contact: Brad Metcalf 215 E. Main St. Cedar Falls IA 50613 USAwork Work Phone: 319-266-0807work Work Email: firstname.lastname@example.orgINTERNET Website: http://www.kochconstruction.org/ Categories: Commercial Roofing, Residential Roofing Updated 8 years ago.