Known in Dayton for close-tolerance hand spinning, Gem City Metal Technologies is a metal-forming shop serving demanding aerospace, defense, and industrial customers. Its single-location operation also supports hydroforming and in-house tooling for projects that require carefully controlled shapes and responsive production.
AS9100
NADCAP
GE approval for laser cutting
Rolls-Royce approval
DNV Business Assurance Certification
GE
Quality certification
Elyria Metal Spinning and Fabricating CompanyFor more than 60 years, Elyria Metal Spinning and Fabricating Company has formed precision hand-spun and fabricated metal parts for demanding industrial customers from its Ohio operation. The third-generation family operator provides one-stop production from design review through spinning, machining, fabrication and inspection, with parts held to tolerances as close as ±0.002 inch. Its work includes components for aerospace, nuclear, defense and heating and ventilation applications, and the company is ISO 9001:2015 certified and veteran-owned.ELYRIA, OH
Lewark Metal SpinningLewark Metal Spinning is a family-owned and operated metal spinning company founded in 1993 and based in Dayton, Ohio. It makes custom metal-spun parts and has become a nationally recognized name in metal spinning, serving industries that range from cookware to aerospace.DAYTON, OH
Cat-Wood MetalworksVeteran-owned Cat-Wood Metalworks has been part of the Dayton manufacturing community since its founding in 1994, becoming sole-owned by retired Air Force Lt. Col. A.J. Rolling in 2022. From its 25,000-square-foot shop, the company produces close-tolerance parts for demanding aerospace and defense customers, with an engineer-owner and a team shaped by ongoing training.MORAINE, OH
Jones Metal ProductsSince 1923, Jones Metal Products has shaped difficult metal parts in West Lafayette, Ohio, building a particular reputation for complex hydroformed components and serving as the country’s largest single deep-draw hydroformer. The privately owned company combines forming with in-house machining and heat treating to help engineers turn challenging designs into production parts, from aerospace components to defense hardware. Its long record includes continuous ISO, AS9100, NADCAP and ITAR credentials, with NADCAP heat-treating accreditation dating to 2004.WEST LAFAYETTE, OH