Founded in 1998 by president Steve Steinbarger, Steinbarger Precision CNC makes close-tolerance CNC-machined and solid-model parts in Xenia, Ohio. The company works from a print, physical part, or even an idea, turning designs into prototypes and short-run production through its machining and digital-modeling capabilities. Steinbarger Precision operates an ISO 9001:2015-compliant quality management system and brings more than 30 years of CNC machining experience to its work.
ISO 9001:2015
Wagner Machine CoSince buying its first CNC mill in 1986, Champaign-based Wagner Machine Co. has built a 40-plus-year precision machining operation around difficult prototypes and complex, tight-tolerance parts. Its 40-plus manufacturing experts work in more than 30,000 square feet, combining dedicated prototype machining with automated production so a part can move from one-off development into repeat manufacturing. Wagner is ISO 9001:2015 and AS9100D certified and ITAR registered.MARCUS HOOK, PA
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
Spence Technologies, IncSince 1996, Spence Technologies has produced precision CNC-machined parts for companies in Northeast Ohio and across the United States. Working from a 10,000-square-foot shop near Cleveland, the company handles both custom parts and full production runs, supported by more than 100 years of combined machining experience and a climate-controlled quality department. Its capabilities also include laser etching and complete parts-to-print work through an established vendor base.WILLOUGHBY, OH
Machine-Pro Technologies, IncFounded in 1994 as a family-owned job shop, Machine-Pro Technologies has grown into a Celina, Ohio, CNC precision machining facility with more than 80 CNC machines and approximately 85 team members. The company focuses on short production runs and rapid turnarounds, supporting customers across industries from aerospace and medical equipment to agriculture and material handling. Its machining, assembly, and inspection work is performed under an ISO 9001:2015-certified quality system, with three-shift operations serving customers throughout the United States.CELINA, OH