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.