Founded in 1989, Madison, Ohio-based Pumphrey Machine Corp. provides custom precision machining for one-off parts through high-volume production. Its small-business service and more than 35 years of hands-on experience support demanding government, automotive, and transportation work, while the shop combines CNC and manual machining to handle both straightforward and complex jobs. Pumphrey pairs traditional craftsmanship with ongoing investment in modern equipment and processes.
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Summit Machining Co LtdSummit Machining Co. is a family-owned and operated precision machine shop in Portage County, Ohio, producing close-tolerance parts for orders ranging from prototypes and single digits to thousands. Established in 1945 and reinvigorated under new ownership in 2019, the company provides CNC and manual machining along with supporting services and customizable stocking programs. Summit is ISO 9001:2015 certified without design, DDTC/ITAR registered, and registered with the United States/Canada Joint Certification Office.MOGADORE, OH
Pinnacle Precision IncWith more than 30 years in precision machining, Pinnacle Precision Inc. makes custom component parts and equipment that are not readily available off the shelf. The Glassport shop combines CNC and conventional machining with in-house CAD/CAM services, serving projects ranging from a single component to an automated industrial system. Its quality program is built around material integrity and inspection, with staff familiar with ISO 9000, MIL-I-45208, and ASME quality programs.GLASSPORT, PA
Machining ConceptsFounded in 1994 by two Erie engineers, Machining Concepts has grown from a one-lathe, one-mill shop into a 20,000-square-foot precision machine shop with more than 28 machines. The company makes custom parts for demanding applications, taking projects from prototypes through production and supporting customers with coordinated secondary operations. Its work is certified to ISO 13485:2016 for medical devices and AS9100D for aerospace.ERIE, PA