Founded in 1979 by Thomas and Gerald Cutts, G&T Manufacturing Company is a family-owned and operated precision machining company based in Mentor, Ohio. It produces machined parts for customers across the United States and internationally, and operates a 17,000-square-foot facility with more than 20 employees.
ISO certification (specific standard not stated)
S.T. Tool & Design IncFamily-owned since its founding in 1994, S.T. Tool & Design has built its reputation in Mentor, Ohio, on careful workmanship and lasting customer relationships. The company operates from a 17,000-square-foot facility, where its team produces precision-machined parts for businesses with complex manufacturing needs.MENTOR, 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
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
Stafford Gage & Tool, IncSince 1947, family-owned and family-operated Stafford Gage & Tool has made precision-machined parts for customers from its Dayton, Ohio shop. What began as Jean Carol Stafford’s work in a home shed now spans four generations of Stafford leadership, with an experienced team whose average tenure exceeds 15 years. The company serves demanding fields including motorsports, aerospace, medical and military-specification manufacturing while continuing to invest in automated CNC production.DAYTON, OH