Incorporated in 1959, Donart Electronics is a McDonald, Pennsylvania manufacturer with more than six decades of service to industrial customers in the United States and abroad. Under President John R. Salvadori Jr., who joined the company in 1979 after studying electronics, Donart builds specialized measurement equipment for the steel industry and provides related testing services.
Medart, IncServing Western Pennsylvania since the early 1900s, Medart, Inc. is a metals-industry manufacturer known for pairing long-established bar-processing expertise with practical engineering support. Its Ellwood City operation designs specialized equipment for companies that process metal bar, while RBS Manufacturing extends the organization’s reach into custom machinery and fabrication for customers’ specific needs.ELLWOOD CITY, PA
Spang & CompanyFounded in 1894 as an oil-field repair shop in Butler, Pennsylvania, Spang & Company has grown into a Pittsburgh-headquartered manufacturer serving the electronics and power industries. Its businesses make precision soft magnetic components and materials, custom inductive components, and power-control equipment, with operations and sales reaching around the world. The company has focused on these electrical and electronic manufacturing businesses since the 1980s.PITTSBURGH, PA
Goodhart Sons IncFounded in 1935 from a two-man Lancaster, Pennsylvania, sheet-metal shop, Goodhart Sons now fabricates complex industrial steel equipment and provides turnkey field installation for demanding projects. The fourth-generation family-owned company operates more than 175,000 square feet of production space and has taken its crews across the United States and internationally. Its dedicated stainless-steel facility adds segregated, contamination-controlled work for high-spec food, beverage, and pharmaceutical applications.LANCASTER, PA
Strainsense Enterprises, IncFounded in 1973 by former U.S. Steel Research project engineer Ronald S. Vranka, Strainsense Enterprises designs and manufactures custom load cells and force-measurement systems for research, testing, and industrial applications. The McKeesport company pioneered digital load-cell calibration systems and still builds its products in the USA, while also providing ASTM calibration and repair services for equipment from any manufacturer. Son Layne Vranka became president in 1992, and many employees have remained with the company for more than 25 years.MCKEESPORT, PA