Founded 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.
ISO 9001:2015
Registration
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
Premier Machine Products, IncFamily-owned since 1968, Premier Machine Products manufactures automatic screw machine products and turned parts for contract customers in Kirtland, Ohio. Its fleet of more than 40 Brown & Sharpe single-spindle machines and Davenport multiple-spindle equipment supports both short and long production runs, including precision inserts made to tolerances as tight as ±0.001 inch. Premier is ISO 9001:2015 registered and serves applications ranging from plastic injection molding to plumbing.KIRTLAND, OH
Efficient Machine ProductsOwner-operated since 1962, Efficient Machine Products is a long-established Strongsville manufacturer known for precision-machined parts that support other companies’ products. It works with customers on production components and small assemblies, backed by an ISO 9001:2015 quality system and ITAR registration.STRONGSVILLE, OH
Triangle Machine ProductsFamily-owned and operated for four generations, Triangle Machine Products has remained in business since 1957, building its reputation on integrity, common sense, and hard work. From its 47,000-square-foot Cleveland-area facility, the company makes precision CNC-turned components for OEMs and other manufacturers, supporting both prototype work and high-volume production. Triangle employs 40 people and holds ISO 9001:2015 and IATF 16949:2016 certifications.CLEVELAND, OH