Established in 1983, McElwain Industries is a family-owned Ottawa, Ohio, metal fabrication company that turns customer designs into finished parts and assemblies. Its in-house operation spans fabrication engineering, machining and finishing, with a robotic welding cell and powder-coating capacity for oversized work. The company’s closely knit family-business culture shapes its emphasis on long-term customer partnerships as well as its involvement in Ohio’s Adopt-A-Highway program.
Lima Sheet MetalFamily-owned and operated since 1974, Lima Sheet Metal remains a three-generation Emerick family business rooted in Lima, Ohio. The shop is known for carrying Michael Ray Emerick’s hands-on tradition into work for industrial, commercial, and municipal customers across the state, with custom fabrication and machining handled under one roof.LIMA, OH
Tri-State Fabricators, IncStarted in 1983 by Dick Vogt and his three sons, Tri-State Fabricators remains a family-owned company under third-generation leadership in Amelia, Ohio. Its 125,000-square-foot facility supports contract manufacturing for customers who need metal parts made from small runs through high-volume production, with fabrication and finishing handled under one roof. The company is ISO 9001:2015 certified and received a 2021 Safety Award of Merit from the Fabricators & Manufacturers Association International.AMELIA, 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
Wolf MetalsFounded by Jim and Mike Wolf in 1974, Wolf Metals is a family-owned Columbus, Ohio, custom metal fabrication shop serving customers across the United States. Its 100,000-square-foot operation combines precision CNC machining with advanced laser and robotic equipment, while also taking on unusual builds such as a modular aluminum exoskeleton for marching-band vehicles. Wolf Metals has also fabricated stainless-steel racks for Battelle’s nationwide PPE decontamination system.COLUMBUS, OH