Family-owned and operated since 1969, Kernell’s Automatic Machining makes automatic screw-machined and Swiss CNC components in its 26,000-square-foot facility in North Central Ohio. The company is especially known for cable fittings and for solving difficult, high-volume component jobs with in-house tooling, custom inspection equipment, and a core team reporting 302 years of combined experience. Kernell’s maintains ISO 9001:2015 certification and serves customers across the United States and abroad.
ISO 9001:2015 Quality Management Systems
certification
Krenz Precision Machining, IncBuilt by a family of German immigrants in Cleveland, Krenz Precision Machining makes precision-machined components for industrial and commercial manufacturers. The Krenz family began its machining businesses in 1967, joined forces under the Krenz name in the 1970s, and continues to own and operate the company today from its 45,000-square-foot North Royalton facility. Krenz is ISO 9001 certified and supports production from a few hundred pieces to several million, with just-in-time and Kanban stocking options for customers.NORTH ROYALTON, OH
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
Proficient Machining CoEstablished in 1973, family-owned Proficient Machining Co. makes precision CNC-machined and screw-machine parts for customers across industries including aerospace, medical, nuclear, and automotive. The Mentor, Ohio manufacturer combines a long-tenured workforce—with many employees staying 20 to 30 years—with capabilities ranging from one-piece prototypes to high-volume production. Its quality system is ISO 9001:2015 certified.MENTOR, OH
Coleys IncColeys Inc. grew from a Vermilion garage shop founded in 1968 into a third-generation, family-run CNC manufacturer making tight-tolerance components for demanding industries. Its Ohio facility operates around the clock with more than 50 high-capacity machining, turning and sawing centers, along with in-house prototyping and inspection. Coleys also holds ISO 9001:2015 certification and acquired Automatic Parts in 2009 to add Swiss and screw machining.VERMILION, OH