Founded in 2010, Diamond Manufacturing of Bluffton is a family company that provides metal fabrication, machining, and assembly services from its 95,000-square-foot facility in Northwest Ohio. The company serves automotive and agricultural OEMs, along with Tier 1 suppliers, handling projects from prototypes to high-volume production and building material-handling racks among other custom work. Its welders hold D1.1 and D1.6 certifications.
AWS D1.1 Certified Welding
AWS D1.6 Certified Welding
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
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
PT Metals LLCFamily-owned and operated since 1984, PT Metals LLC has built more than four decades of manufacturing experience at its Navarre, Ohio, facility. The company is known for handling custom metal parts from prototype through production for manufacturers across Ohio and the United States, with certified welding supporting demanding industrial work.NAVARRE, OH
MCW Certified WeldingFamily-owned MCW Certified Welding is an AWS-certified custom welding and metal fabrication shop serving Northern Ohio, including Delta, Wauseon, Swanton and the Toledo area. The shop builds parts, projects and prototypes from blueprints or sketches, with mobile welding and structural steel work among its capabilities. Its stated focus is completing durable, precise work that meets recognized industry standards.DELTA, OH