Born in a Hagerstown alley more than 90 years ago, Mitchell Machine Shop now provides contract machining from its Greencastle, Pennsylvania facility, combining CNC and manual equipment for both short runs and production parts. The shop’s history includes making the Twirlit paper hole punch and converting machinery to World War II defense work before expanding into components for heavy equipment, medical, and other industrial applications. Mitchell’s experienced workforce—most employees have been with the company at least 10 years—supports its focus on close-tolerance work and dependable delivery.
Machining Technology, IncVeteran-owned Machining Technology, Inc. has more than three decades of experience serving commercial and military customers from Hazle Township, Pennsylvania. The company provides contract manufacturing centered on precision machining, with a broad in-house operation that supports demanding customer requirements from design through finished work.332510HAZLE TOWNSHIP, PA
Machined Products CompanyNow in its fifth generation of production manufacturing, Machined Products Company has spent more than 80 years in Lancaster turning out precision-machined components and assemblies for contract manufacturing customers. The family-run shop pairs high-volume CNC production with in-house engineering that helps customers refine designs, control costs, and bring complex parts into production. Its 30,000-square-foot central Pennsylvania facility has operated under ISO 9001:2015 certification since 2001.332216LANCASTER, PA
John Prosock Machine, IncOperating from Pennsylvania since 1982, John Prosock Machine, Inc. makes custom CNC-machined parts and supports projects from prototype through production and assembly. The company grew from John Prosock’s basement into a 9,000-square-foot facility, with particular depth in tight-tolerance work and short lead times across complex industrial applications. John Prosock Machine is ISO 9001:2015 certified and maintains a customer-service approach built around lasting business relationships.332710QUAKERTOWN, PA
Jacobs Tool & MfgFounded in 1999 by longtime manufacturing tradesman Robert Jacobs, Jacobs Tool & Manufacturing is a Hanover, Pennsylvania, machine shop that produces precision CNC components for OEMs and other manufacturers. JTM stands out for supporting a project from early prototypes through production runs of 50,000 or more parts, allowing customers to scale without changing suppliers. The company also invests in the next generation of skilled trades and operates under an ISO 9001-certified quality system.HANOVER, PA