Masonry & Concrete

Korellis, Inc. provides masonry services to both commercial and residential customers in Northwest Indiana and the Chicagoland area.


Korellis specializes in commercial and specialty roofing that offers unique architectural challenges.

Sheet Metal

We have an in-house custom sheet metal shop for both residential and commercial needs.

Service & Emergency Repair

Providing exceptional service is the primary focus of the Korellis Service Department.


Korellis will provide the best recommendation for your new construction or re-roofing project, by examining all factors that may affect long term performance.

Steep Slope

Korellis began in 1960 as a residential roofing company out of the home of founder George Korellis.