Born in a garage in 1971, family-owned Bullen Ultrasonics now provides precision ultrasonic machining for hard, brittle materials from its Eaton, Ohio operation. The company also developed MicroLucent® laser machining for transparent materials and builds custom equipment in-house, giving engineers a path from difficult prototypes to production. Bullen is ISO 9001 and AS9100 certified, IATF 16949 compliant, and ITAR registered.
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Buell Automatics, IncFounded in Rochester in 1966 by Richard Lawton and Ernie Corts, family-owned Buell Automatics makes precision-machined components through high-volume Davenport screw machining and CNC/Swiss turning. Its unusual blend of meticulously maintained 1930s-era Davenports with computerized monitoring supports production ranging from prototypes to large OEM runs. Buell is ISO 9001:2015 certified, IATF 16949 compliant, and maintains an inline inspection process for regulated applications.ROCHESTER, NY
FabrisonicFabrisonic builds metal parts, equipment, and research solutions with its patented Ultrasonic Additive Manufacturing process, which combines low-temperature ultrasonic welding with CNC machining. Based in Ohio, the company has produced more than 30 million additive-manufactured parts and uses the technology to join dissimilar metals, embed sensors, and create complex components for demanding applications including space and aerospace. Fabrisonic joined United Performance Metals and the family-owned O’Neal Industries network in March 2025 and is ISO 9001:2015 certified.LEWIS CENTER, OH
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
Aerotech Enterprise IncFor more than 40 years, family-owned Aerotech Enterprise Inc. has machined made-in-USA CNC parts in its Ohio facility, from one-off prototypes to production runs. With more than 30 milling and turning machines, the shop serves demanding aerospace, defense, and industrial work while also developing its own XtraArm shooting rests and camera arms. Aerotech is ITAR registered and ISO 9001:2015 certified.CHESTERLAND, OH