Since 1960 Korellis Roofing has grown into one of the largest roofing companies in Northwest Indiana and the Chicagoland area. The mission of Korellis Roofing is to be the roofer of choice for its customers and the employer of choice for its people; to set the highest standards for quality and safety, and to achieve a for balance of responsibility, profitability and corporate citizenship. Roofing Services provide are: • New Construction • Re-Roofing • 24/7 Service and Emergency Repair • Preventative Maintenance • Roof Design • Roof Asset Management • Architectural Sheet Metal • Infrared Thermography • Green Roofs