Allendorfer Roofing Co., Ltd. is a family-owned, full-service roofing firm serving the Chicagoland area celebrating 130 years of service. We have the knowledge and expertise with all building types and projects: industrial, commercial, residential, and institutional. Our Mission statement is: ""Expect the highest quality"". We provide the absolute best in quality using professional crews at a fair cost to our customers. The relationships we establish with our customers are extremely important to us.

Since 1984, Windward Roofing & Construction has been Chicagoland’s premier, full-service roofing and masonry company for industrial and commercial complexes. We are also one of the rare licensed and approved applicators for manufacturers such as Soprema, Johns Manville, Firestone, Carlisle, EcoStar, Versico, GAF, Derbigum, Fibertite, and Tamko.