In 1960, George Korellis began a residential roofing business out of his home. Since that time, Pete Korellis, current President and Owner of this second-generation business, with the help of many dedicated employees, has grown the business to encompass industrial and commercial sectors, with over 120 employees. Korellis Roofing continues to maintain the company's original core principles of honesty, integrity and customer satisfaction. By combining industry-leading talent, cutting-edge technology and award winning results, Korellis Roofing has earned a reputation as one of the premier roofing contractors in in the Chicagoland area, as well as the honor of being the largest roofing contractor in Northwest Indiana.