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About us

Korellis Roofing, Inc.
In 1960, George Korellis began a residential roofing business out of his home. Since that time, Pete Korellis, current President and CEO, and many dedicated employees, have grown the business to encompass the industrial and commercial sectors. By combining industry leading talent, cutting-edge technology, and award winning results, Korellis Roofing has earned the reputation as one of the premier commercial and industrial roofing contractors in the Chicagoland area, as well as the honor of the largest roofing contractor in Northwest Indiana.

In 2018, Korellis Roofing became 100% employee owned. Everyone has common interest in serving the customers' needs and requests. Everyone at Korellis Roofing has the mission to grow the organization.

Safety is the #1 priority of Korellis Roofing. The safety regulations in place either meet or exceed roofing industry standards. Every attempt is made to provide training, equipment, and job site conditions that ensure a safe work environment for the employees and for the customers we serve. Safety training is ongoing - daily toolbox talks, monthly mandatory safety meetings, and an annual Safety Fest give us the opportunity to be proactive in our methods.

Training is integral to our success. Throughout a $2 million complete renovation of our headquarters, we constructed the Korellis Roofing Training Center. This facility, in conjunction with the hiring of a Workforce Development Manager, provides supplemental instruction to that from the local unions. It also accelerates the abilities and skill set for upcoming apprentices.


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In union there is strength...
Kindness can transform someone's dark moment with a blaze of light. Just ask Tim Ispas of Highland, who now has a new roof thanks to Korellis Roofing, Inc., and...
A Korellis Roofing Employee Spotlight: Brandon Reese
In his eleven years with Korellis Roofing, Brandon Reese has risen from a pre-apprentice to one of ten lead service technicians, running his own service truck...
Korellis Roofing Makes 'Giving Back' Their Number One Priority
No company is greater than the one that continues to give back to the community they live in. Through charity work and donations, the Korellis family has made a...