For more than a century, Dover Tank & Plate Co. has remained in the Lawless family, growing from the small steel shop founded by Neal and Bernard F. Lawless in 1922 into a fourth-generation company in Dover, Ohio. Its reputation rests on dependable, in-house work for industrial and commercial projects, with the family’s descendants still guiding the business today. The company is an AISC Certified Fabricator.
AISC Certified Fabricator (Building & Simple Bridge)
certification
AWS D1.1
certification
AWS D1.5
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AWS D1.2
certification
AWS D1.6
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ODOT Level 1 Prequalified
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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
Zimmerman Steel & Supply Co. LLCFamily-owned and operated since 1995, Zimmerman Steel & Supply Co. LLC has built its Dalton, Ohio, business around custom metal fabrication for industrial customers. Its two facilities span more than 82,000 square feet and support projects ranging from small production work to large, complex jobs across the United States and Canada. The company’s welders hold AWS D1.1 and D1.5 certifications, with additional Canadian certification through CWB CSA W47.1.DALTON, OH
D&M WeldingRooted in a Moraine, Ohio manufacturing site with 175 years of local industrial history, D&M Welding has provided metal welding and fabrication services since 1974. The family-owned company became known for structural racks serving concrete block manufacturers across the United States and has since expanded into sheet-metal work, supported by a fiber laser and CNC press-brake equipment. D&M Welding is ISO 9001:2015 certified and remains under McCarroll family ownership alongside David Barger.MORAINE, OH
Waterford Tank and FabricationFormed in 2006 by Matt Brook and Larry Lang, Waterford Tank & Fabrication grew from a small Beverly, Ohio operation into a 43,000-square-foot manufacturer serving industrial customers across the Midwest and eastern United States. The company is known for custom-built steel storage tanks and ASME pressure vessels, with in-house engineering and a lean manufacturing system developed as demand expanded.BEVERLY, OH