Established in 1969, Kernell’s Automatic Machining is a family-owned and operated precision machining company in North Central Ohio. It specializes in automatic screw machining and Swiss CNC machining, producing custom parts at its 26,000-square-foot facility. The company reports more than 50 years of experience and serves customers across a range of industries.
ISO 9001:2015
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
Standby Screw Machine Products CoFounded in Cleveland in 1939, Standby Screw Machine Products makes custom precision-machined parts for customers ranging from automotive manufacturers to equipment makers. Still privately owned and operated by the Marcell family, the company has grown from two screw machines into a 200,000-square-foot, three-facility operation with 300 employees worldwide. Its Berea, Ohio plant and overseas facilities are ISO 9001:2015 registered, supporting both prototype work and high-volume production.BEREA, OH
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
Prion Manufacturing CompanyPrion Manufacturing Company has been family-owned since its founding in 1955 and produces high-volume machined components, including automatic screw machine products. After beginning with tools, dies, fixtures, and general machine-shop work, it expanded into screw machining and later added CNC equipment; its current facility was designed for precision-machined production and built in 1997.OAKDALE, PA