WJ Company Inc. is a distributor of Residential & Commercial roofing materials, siding, gutters, Insulation and windows in Sioux City, Iowa and surrounding areas.
With our large customer base and superb products we have become Siouxlands Leading Roofing Supplier! We now offer nearly every type of roofing material, and that from the best manufactures. Please stop in and see if we can help you on your roofing project.