Challenge Machining is a veteran-owned Lima, Ohio, manufacturer known for pairing decades of machining experience with in-house engineering and problem solving. The full-service machine shop creates precise parts for customers across the Midwest, including defense and aerospace work, and handles projects ranging from prototypes to large production runs.
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Center-Line Machining LLCFamily-owned and operated since 2007, Center-Line Machining produces custom precision-machined components from its Mentor, Ohio shop. Its experienced machinists, engineers, and programmers handle projects from prototype through production, with in-house CNC turning and milling supported by detailed inspection and approved outside services. Center-Line is ITAR compliant, ISO 9001:2015 compliant, and AS9100D compliant.MENTOR, OH.png/:/cr=t:0%25,l:0%25,w:100%25,h:100%25/rs=w:1240,h:620,cg:true)
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
Chipmatic, IncSince 1984, Chipmatic has grown from a small machine shop in Elmore, Ohio, into a 50,000-square-foot contract machining facility serving prototype through high-volume production. Its work includes precision CNC turning and milling, with capabilities for intricately designed parts held to tolerances of ±0.0002 inch, as well as high-volume saw cutting. Chipmatic is IATF 16949 and ISO 9001 certified and ITAR registered for aerospace and munition production.ELMORE, OH
Bear Mechanical LLCStarted in 1970 by Charles (Bill) Bear, Bear Mechanical is a veteran-owned, family-operated machine shop in southern Ohio that produces precision-machined and fabricated parts. Now operated across multiple generations of the Bear family, the Hillsboro facility handles work from prototypes through production, along with welding and part repair. Its machining center is built around a small-company approach while serving customers across the Cincinnati, Columbus, and Dayton region.HILLSBORO, OH