Established in 1958, Mason Steel & Supply is a Northeast Ohio company known for serving builders and contractors across the Great Lakes region and beyond. It supports residential and commercial construction through structural-steel fabrication and building-product supply, with a 70,000-square-foot steel facility and roughly 140,000 square feet of warehouse space.
Gem City Steel Supply, IncSince 1978, Gem City Steel Supply has served the Southeast from Marietta as a steel supplier and fabricator for projects ranging from a one-inch piece of material to structural packages measured in thousands of tons. Its in-house structural department is an AISC-certified fabricator, while its ornamental team takes custom handrails, gates, and fencing from site measurements through fabrication and installation. The company also supplies cut-to-size material and handles delivery for contractors, manufacturers, builders, and the general public.DAYTON, OH
The Arthur Louis Steel CompanyEstablished in 1945, The Arthur Louis Steel Company fabricates structural and miscellaneous steel for industrial and design-build projects from its Ohio facilities. Its work has included major North American projects such as a 216-foot annealing tower and 3,200 tons of pipe-rack modules for an LNG facility. In-house engineering and detailing, extensive fabrication equipment, and a fleet of approximately 40 flatbed trailers carry projects from design through delivery.GENEVA, OH
Ed Schory & Sons Builders SupplyEd Schory & Sons Builders Supply is a Canton-founded company with roots dating to 1937, when it supplied coal before shifting its focus to masonry in the 1950s. Based in Louisville, Ohio, it carries forward a history of local innovation that includes Stark County’s first cement-block manufacturing facility and early use of automated boom trucks for foundation work. Today, the company serves masonry contractors and building professionals across northeast Ohio.LOUISVILLE, OH
J.A. McMahon, IncFounded in 1945, J.A. McMahon is a family-owned steel fabricator in Niles, Ohio, known for generations of experience and long-term customer relationships. Its AISC-certified operation produces structural steel for commercial and industrial projects, with a 32,000-square-foot facility supporting work from coordination through delivery. The company also established a civil engineering scholarship at Youngstown State University.NILES, OH