Founded by Harry Kundrat in 1969, RLC Electronic Systems designs and manufactures custom electronic systems, taking products from concept and prototyping through production at its Pennsylvania facility. The company grew from early work in liquid-flow instrumentation into a 50,000-square-foot operation serving demanding applications such as cryogenic controls, medical equipment and gaming systems. RLC keeps engineering and manufacturing under one roof, supporting projects from small prototype runs to hundreds of thousands of units annually.
IPC standards
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IPC
Quality certification
Polyfusion Electronics IncSince its incorporation in 1975, Polyfusion Electronics has grown from a two-person basement operation into a Lancaster, New York, manufacturer with a custom-designed 20,000-square-foot facility. The company is known for keeping design work in-house while producing electronic systems for manufacturers in fields such as robotics and medical equipment.LANCASTER, NY
Performance Electronics, LtdSince 1999, Performance Electronics, Ltd. has been a Cincinnati-based U.S. manufacturer known for developing custom electronic control systems for equipment makers. The company turns unusual engineering requirements into production-ready systems, including solutions for unmanned vehicles and industrial products, while supporting designs after they enter production.CINCINNATI, OH
Mercury ElectronicsFounded in 1946 as Mercury Engineering Company, Mercury Electronics builds custom electrical and electronic assemblies for commercial and military OEMs, from cable assemblies and wire harnesses to control panels and enclosures. The company has grown from a 5,000-square-foot York, Pennsylvania shop into a 68,000-square-foot Seven Valleys facility with more than 200 full-time employees. Its work is backed by ISO 9001 and AS9100 certification, UL recognition for wiring harnesses, and an engineering team that supports projects from prototype through production.335931SEVEN VALLEYS, PA
ETEMCOSince 1952, ETEMCO has grown from a Lancaster, Pennsylvania shop making test equipment for RCA’s picture-tube factory into a close-knit U.S. electronics manufacturer. The company is known for careful, responsive work on complex, specialized equipment, serving customers who need dependable production from early builds through ongoing manufacturing. Its ISO 9001:2015 certification, held since 2017, reflects a quality system that covers the production process from design through assembly.LANCASTER, PA