Holthaus Companies Inc. is your source for elite roof replacement, roof repair and gutter installation in Peoria, Macomb, Central Illinois and beyond. We specialize in all types of roofs and gutters for residential, commercial and industrial properties and provide only the best materials to ensure a long-lasting integrity. Contact us for a free estimate today. HCI has received several awards in its long career with Duro-Last Roofing Inc. and other industry leading manufacturers for excellence in quality installations, sales and service. Our employees consistently attend seminars and training courses in the off season to keep them updated with the new products and techniques being developed in the roofing industry.