Korellis Commercial Construction – Employee Owned Commercial Exterior Experts

Celebrating 65 Years of Excellence

Korellis has been trusted since 1960 for quality craftsmanship, safety, and service. Here's to building the future together.

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We Utilize A Comprehensive
Safety Program

At Korellis, we have safety regulations in place that meet or exceed roofing industry standards.

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We Bring Sophistication to the Construction Industry

Professional Commercial & Industrial Services since 1960

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Outstanding Commercial & Industrial Roofing Services

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

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1 +

year of experience

Built On Experience

Employee owned commercial exterior specialists

Korellis delivers commercial and industrial exterior solutions backed by decades of hands-on experience. As a fully employee-owned company, every project reflects accountability, pride, and long-term commitment. From complex roofing systems to complete building envelope solutions, the focus remains on safety, precision, and durability. Clients trust Korellis for disciplined execution, in-house craftsmanship, and dependable results across demanding environments.

Employee owned teams ensure accountability on every project

Self performed work guarantees consistent quality and accountability

Trusted partner delivering results on complex commercial facilities

This approach delivers consistent results, clear accountability, and long-term value for every client, supporting reliable performance, strong partnerships, and confidence across projects of any size or complexity, and demanding environments.

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Complete Services

Exterior solutions delivered by experts

Korellis provides comprehensive commercial and industrial services including roofing, sheet metal, masonry, carpentry, and emergency repair. All work is completed by trained in-house crews.

Highly Specialized Industries

Highly specialized industries demand precision, safety, and expertise; Korellis delivers reliable exterior solutions for complex facilities with strict compliance requirements.

Service & Emergency Repair

Service and emergency repair solutions provide rapid response, skilled crews, and dependable support to protect facilities and minimize operational disruptions.

Steep Slope

Steep slope roofing services deliver precise installation, durable materials, and skilled craftsmanship for complex roof designs across commercial and specialty…

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Why Korellis

Employee ownership drives project accountability

Korellis stands apart through employee ownership, skilled trades, and disciplined execution. Clients benefit from dependable crews, transparent communication, and a company culture that values safety, quality, and long-term relationships. Every project is completed with responsibility and pride.

Employee Owned Teams

Ownership builds accountability, pride, and commitment on every jobsite, driving higher standards, safer work environments, stronger teamwork, and consistent quality throughout each phase of every commercial project.

Proven Industry Reliability

Decades of success across demanding environments demonstrate consistent performance, proven reliability, and disciplined execution, earning trust from facility owners, managers, and partners on complex commercial and industrial projects nationwide operations.

Proven Process

Structured execution focused on results

Every project follows a proven process designed to reduce risk, improve efficiency, and deliver consistent outcomes on complex commercial and industrial sites.

01.

Detailed Project Planning

Each project begins with evaluations, defined scopes, and coordinated schedules designed to reduce risk and prevent delays.

02.

Safety First Culture

Strict safety protocols and ongoing training protect crews, facilities, and clients while maintaining a strong safety culture.

03.

In House Crews

All work is self performed to maintain quality, accountability, consistency, and reliable results across every commercial and industrial project.

04.

Clear Communication

Clients receive regular updates and responsive coordination throughout the project to ensure clarity, alignment, and confidence.

05.

Quality Control Verification

Final inspections confirm systems meet specifications, performance requirements, and long-term durability standards before project completion.

Our Projects

Commercial results built to last

Korellis delivers durable exterior solutions for industrial facilities, commercial campuses, and complex structures designed to perform under demanding conditions.

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Indiana Toll Road Admin

Munster High School

Argonne National Labs

Client Feedback

Trusted by facility management teams

Clients consistently recognize Korellis for professionalism, communication, and dependable results on challenging commercial and industrial projects.

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Partner with trusted exterior specialists

Work with an experienced, employee-owned contractor for complex commercial and industrial exterior projects. Plan with confidence and deliver results built for long-term performance.

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Highly Specialized Industries

Service & Emergency Repair

Steep Slope

Detailed Project Planning

Safety First Culture

In House Crews

Clear Communication

Quality Control Verification

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Our Services

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