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Business Details
28 Years
experience
Trusted Commercial Roofing Solutions in Chicago
Established in 1998, Sullivan Roofing has built a reputation as the premier commercial roofing contractor serving Chicagoland, Southern Wisconsin, and Northwest Indiana. With over two decades of experience and 180 million square feet of quality installations, we combine second-generation expertise with a relentless focus on customer satisfaction. Our commitment to safety is unparalleled, featuring a full-time safety coordinator, external safety consultants, and daily safety protocols.

Recognized for excellence through industry awards and affiliations, we deliver precision in new construction, reroofing, and architectural sheet metal solutions. Our team's dedication to quality craftsmanship and community involvement reflects our core values of professionalism, reliability, and environmental stewardship.
Services
New Construction Reroofing Services Roof Repairs Preventative Maintenance Architectural Sheet Metal Live Roof Applications Canopy Systems Snow Guard Systems Roof Hatches Fluid-Applied Underlayment
Details
  • Year established: 1998
Highlights and features
  • 25+ years of commercial roofing expertise with 180M+ sq ft installed
  • NRCA-certified fabrication and installation specialists
  • Full-time safety coordinator and daily safety protocols
  • Award-winning craftsmanship recognized by industry leaders
  • Community-focused company with active philanthropy programs
Associations and certifications
  • National Roofing Contractors Association (NRCA)
What people say
Exceptional quality Attention to detail Professional execution Safety compliance Timely delivery
Services
New Construction
Specializing in commercial roof installations for EPDM, TPO, PVC, and modified bitumen systems. Our team ensures precise adherence to specifications while maintaining strict safety protocols. We coordinate with architects and contractors to deliver durable, code-compliant roofing solutions that meet project timelines and performance requirements.
Architectural Sheet Metal
NRCA-certified fabrication and installation of custom Petersen Aluminum and Berridge products. Services include canopies, wall panels, and decorative elements that combine functionality with aesthetic appeal. Our craftsmen ensure precise execution for both new installations and replacement components.
Preventative Maintenance
Comprehensive maintenance programs to extend roof lifespan through regular inspections and proactive repairs. Our technicians identify potential issues before they escalate, minimizing downtime and repair costs while maintaining warranty compliance for commercial properties.
Green Roofs
Installation of sustainable garden roof systems that improve energy efficiency and stormwater management. We implement live roof applications with proper waterproofing and drainage layers to create environmentally beneficial roofing solutions for commercial buildings.
Roof Repairs
Prompt repair solutions for leaks, storm damage, and system failures. Our team addresses issues with all major roofing materials while maintaining safety standards. We prioritize rapid response times to prevent property damage and operational disruptions for commercial clients.
People
Timothy E Sullivan
Chief Executive Officer
Third-generation roofing industry leader with 25+ years of commercial construction experience. Oversees strategic direction while maintaining commitment to quality and safety standards established by the company's founders.
Jacob R Sullivan
President
Manages daily operations and project execution across service areas. Brings extensive field experience to ensure client satisfaction through technical expertise and adherence to project timelines and budgets.
Gregg Yeggy
Chief Operating Officer
Coordinates production and quality control processes. Recognized for exceptional craftsmanship and attention to detail in complex roofing installations that meet exacting client specifications.
Luke Mrazek
Safety Director
Leads safety initiatives including daily committee meetings and training programs. Maintains OSHA compliance and implements best practices that have earned industry recognition for safety excellence.
Scott Leadbetter
Senior Project Manager
Manages complex commercial projects from planning through completion. Known for professional execution under tight deadlines while maintaining communication with architects and building owners throughout the process.
Questions
What commercial roofing services do you offer?
We provide new construction, reroofing, repairs, maintenance programs, architectural sheet metal fabrication, green roofs, and specialty systems like snow guards and roof hatches.
Which areas do you serve?
We operate throughout Chicagoland, Southern Wisconsin, and Northwest Indiana with regional project experience.
How do you ensure project safety?
Our safety program includes a full-time coordinator, daily safety meetings, external audits, and OSHA-compliant training for all staff.
Are you certified by roofing material manufacturers?
Yes, we're certified by Carlisle SynTec, Sika Sarnafil, GAF, and other leading manufacturers for proper system installation.
What sets your company apart?
Our combination of 25+ years' experience, NRCA certification, in-house safety expertise, and 180M+ sq ft installed distinguishes our service quality.