Keystone Electronics Corp

Employee Size

11-50

Organization Type

Public Company

Headquarters

York, PA

Founded

1989

Keystone Electronics Corp. manufactures electronic components and hardware, including battery and fuse connectivity products, contacts, connectors, terminals, spacers, standoffs, brackets, panel hardware, and related accessories. The company also offers custom capabilities and serves telecommunications, computing, industrial, electronic, automotive, security, medical-monitoring, and other device applications.

• Memory Protection Devices, IncFounded in 1980 by three electronics-industry executives, Memory Protection Devices, Inc. manufactures battery holders and other electronic interconnect components for devices worldwide. Its original battery-holder business—named for powering CMOS memory—has expanded into a broader line that includes battery contacts, fuse holders and DC connectors, with custom parts supported through a global manufacturing network. MPD is ISO 9001 certified and says its manufacturing partners undergo quality audits as well as meeting its social standards.FARMINGDALE, NY
• Mill-Max Mfg. CorpFounded by Roger L. Bahnik in 1971, Mill-Max Mfg. Corp. has grown from a supplier of gears for timing devices into a U.S.-based manufacturer known for keeping its work under one roof. From its Oyster Bay plant, the company produces precision-machined interconnect components for electronics manufacturers and supports custom designs alongside its standard products.OYSTER BAY, NY
• Zierick Manufacturing CorporationSince 1919, third-generation-owned Zierick Manufacturing Corporation has made electronic connectors and interconnection hardware at its Mount Kisco, New York facility. Its engineers pair precision stamping, tooling, plating and assembly with application support, including custom-stamped designs and board-stuffing services. Zierick’s connectors are built for the practical problems that can undermine a board in the field, from vibration and repeated mating to wire preparation and automated assembly.MOUNT KISCO, NY
• JST Sales America, IncSince its founding in 1957, JST has engineered and manufactured electronic connectors that link wiring, boards, and components in products ranging from automobiles to industrial equipment. JST Sales America supports that global connector business from North America, backed by precision tooling capable of machining grooves as narrow as 0.05 mm and extensive reliability testing. Its Guntersville Assembly Manufacturing division also builds custom cable and harness assemblies using JST connectors.WAUKEGAN, IL