Why Choose OSR?
Industry-Leading Certifications
Trusted Experts
At O’Hara’s Son Roofing (OSR), we’re honored to be recognized by leading manufacturers—not just as certified installers, but as trusted experts committed to quality. These certifications and accolades enable us to source materials efficiently and ensure you receive full manufacturer warranties.
Chairman’s Circle
A top 2% national honor recognizing OSR’s elite quality, reliability, and customer satisfaction.
PlatinumElite™
Recognizes OSR for exceptional quality and grants access to GAF’s most comprehensive warranty offerings.
ESP Premier
Earned by the top 20 ESP Authorized Applicators who meet Carlisle’s Perfection Award quality standards.
Perfection Award
A top 5% prestigious honor, reflecting a OSR’s commitment to excellence and our role in shaping the future of roofing industry standards.
President’s Club
Underscores OSR’s dedication to excellence and positions us as leaders in the commercial roofing industry (given to the top 25 contractors).
Peak Advantage Pinnacle Council
JM’s highest distinction, underscoring OSR’s leadership and excellence in the commercial roofing industry.
Peak Advantage 5280 Council
Awarded to the top 15 contractors nationwide who demonstrate exceptional performance, quality, and commitment to excellence.
Alliance Member
Signifies that a OSR has met Sika Sarnafil’s rigorous standards and is committed to delivering high-quality roofing installations.
Nationwide Coverage
At O’Hara’s Son Roofing (OSR), we’re proud to provide nationwide commercial roofing solutions with a consistent focus on quality, safety, self-performance, and communication. With a single point of contact, we ensure clear and consistent communication throughout every project.
No matter the location or team structure, you’ll always experience the OSR difference: exceptional results, delivered by professionals you can trust.
Ask us about our self-perform model and how it could benefit your next project.
Nationwide Coverage
At O’Hara’s Son Roofing (OSR), we’re proud to provide nationwide commercial roofing solutions with a consistent focus on quality, safety, self-performance, and communication. With a single point of contact, we ensure clear and consistent communication throughout every project.
No matter the location or team structure, you’ll always experience the OSR difference: exceptional results, delivered by professionals you can trust.
Ask us about our self-perform model and how it could benefit your next project.
Delivering Results: Last Year's Projects
Last Year's Projects
REROOFING PROJECTS
SQ FT OF REROOFING
NEW CONSTRUCTION PROJECTS
SQ FT OF NEW CONSTRUCTION
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Safety Culture
With the support of our dedicated safety department, safety isn’t just a priority—it’s our commitment. We believe every employee deserves a safe, secure work environment, which is why we place the highest emphasis on safety and OSHA compliance.
Avetta-Verified and ISNetworld Member Contractor
Meeting the highest standards in safety, insurance, and compliance nationwide.
Big Roof Pros Coast to Coast
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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