Founded in 1895, The Garland Company, Inc. manufactures commercial roofing and waterproofing systems while supporting projects from roof assessment and design through installation and long-term maintenance. The Cleveland-based company is employee-owned and works through local Territory Managers, shipping domestically manufactured products directly to job sites across the United States, Canada, and the United Kingdom. Its full-service model includes specialized building-envelope engineering and RAMP roof-asset management for owners of demanding facilities such as factories, hospitals, schools, and public buildings.
ISO-certified manufacturer
Simon RoofingFounded in Youngstown, Ohio, around 1900, Simon Roofing is a family-owned commercial roofing company that manufactures the materials it installs and services facilities nationwide. Now led by the third and fourth generations of its founders, the company operates more than 60 service centers and uses its own employed technicians rather than subcontractors. Its SR PreVision laboratory combines roof inspections, sample testing, and data analysis to help facility owners repair or restore roofs before replacement becomes necessary.YOUNGSTOWN, OH
Tremco Roofing & Building MaintenanceFounded by William Treuhaft in Cleveland in 1928, Tremco Roofing & Building Maintenance makes commercial roofing and weatherproofing systems while providing restoration, repair, maintenance and building-envelope services across North America. The company pairs its roofing materials with long-term asset management, including data-rich inspections through its OLI system and drone-based SkyBEAM mapping, helping building owners plan work before problems become costly. Tremco also operates an in-house fire test laboratory capable of testing to ASTM E108 and UL 790 criteria.BEACHWOOD, OH
Topps Products, IncFor more than 30 years, Topps Products, Inc. has built its name around commercial roofing solutions, with production in Cleveland, Ohio and management teams operating from several U.S. regions. The company makes roof coatings for contractors, building owners, and facilities managers, and supports their work through worldwide training and factory-trained independent installers.CLEVELAND, OH
GAF Materials LLCGAF Materials LLC manufactures roofing and waterproofing products for residential and commercial buildings. The company describes itself as North America’s largest roofing manufacturer, with product systems ranging from shingles to commercial roofing membranes.MYERSTOWN, PA