OSR is a national commercial and industrial roofing provider headquartered in Chicago, Illinois. Established in 1987, OSR ranks among the Top 20 Roofing Contractors in the country (Top 10 among exclusively commercial roofing companies) and is registered and licensed in 48 states. As one of the fastest-growing commercial roofing companies, our growth has been driven largely by recurring business from numerous respected general contractors, architects, engineers and building owners nationwide.

We specialize in installing various styles of roof applications and coatings. Our expertise spans a wide range of commercial buildings, including data centers, cold storage facilities, manufacturing plants, warehouses, retail spaces and other commercial properties. Additionally, we offer extensive roof repairs, maintenance, OSHA-compliant safety items and renewable energy solutions.

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New Roof Construction

We work directly with general contractors, developers, property managers and building owners to plan and complete new commercial construction projects. Our expertise spans various types of commercial buildings, including data centers, cold storage facilities, manufacturing plants, warehouses, retail spaces and other commercial properties. Choosing the right flat roofing solution is crucial for the durability and performance of your building. At O’Hara’s Son Roofing (OSR), we specialize in top-quality flat roof installation services for new constructions. Our team ensures that your new roof meets the highest standards of quality and efficiency, providing a solid foundation for your commercial property.

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Roof Replacement

When it’s time for a new flat roof, you need a solution that combines durability, efficiency and value. At O’Hara’s Son Roofing (OSR) we specialize in providing top-notch flat roof replacement services that ensure your commercial property remains protected and functional. Our expertise spans various types of commercial buildings, including data centers, cold storage facilities, manufacturing plants, warehouses, retail spaces and other commercial properties. Our experienced team is dedicated to delivering superior results with minimal disruption to your business operations.

Learn more about our commercial roof replacement services.

Leak and Repair Services

We understand that a leaky roof can be a nightmare for any business owner, which is why we provide 24/7 emergency leak repair services to ensure that your roof is restored to its best condition in the shortest possible time. Our team of highly skilled and experienced professionals is equipped with the latest tools and equipment to provide fast and effective leak repair services.

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Preventative Maintenance

Electrical and plumbing systems, elevators, and sprinkler systems are just a few building elements that must be inspected and maintained regularly. Responsible building owners would never delay or neglect to maintain these systems because they want to ensure they perform properly and address potential issues. 

A building’s roof is no different; it requires periodic inspections and preventative maintenance to ensure it stays in good condition.

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