Founded in Marion, Ohio, in 1956, Roy I Kaufman, Inc. makes custom wire rope and cable assemblies for manufacturers, combining decades of hands-on assembly experience with in-house automation engineering. The third-generation family business serves applications ranging from automotive brake cables to industrial and equipment assemblies, with production spanning prototypes through high-volume orders. Its Ohio operation maintains an ISO 9001:2015-certified quality management system.
ISO 9001:2015
Murphy Industries, IncSince 1974, second-generation family-owned Murphy Industries has manufactured wire rope and cable assemblies, with all production now carried out in its Marion, Ohio factory. The company began by serving garage-door and truck-door manufacturers and has produced more than 100 million assemblies, using proprietary equipment and in-house proof, pull, and cycle testing to maintain its standards. Each finished assembly bears Murphy’s distinctive “M” mark.MARION, OH
Winar Connection, IncFamily-run since 1982, Winar Connection manufactures custom cable assemblies and wire harnesses at its American-owned operation in Richfield, Ohio. Its work spans small and large wire, with automated cutting and crimping equipment supporting quick-turn production, low-quantity orders, and repeatable assembly. Winar also provides vendor-maintained inventory and value-added assembly support, serving as an extension of customers’ teams.RICHFIELD, OH
Assembly Specialty Products, IncFounded in Cleveland in 1971 by engineer Erno Nagy, Assembly Specialty Products designs and manufactures swaged wire-rope fittings and custom cable assemblies. The company remains under family leadership, with Erno’s son Attila now serving as president and chief engineer, and works from a 45,000-square-foot facility backed by more than 180 years of combined wire-rope expertise. Its engineering team handles demanding, nonstandard applications and supports customers with extensive fitting inventory, proof testing, and often same-day turnaround.CLEVELAND, OH
Kauffman Engineering, LLCFounded in an Indianapolis garage by Art and Allan “Biff” Kauffman in 1973, Kauffman Engineering designs and manufactures custom wire harnesses, cable assemblies, and related electrical solutions. The company has grown from that single location into four manufacturing sites across the United States and Mexico, supporting applications from agricultural machinery to medical equipment. Its in-house engineering, tooling, testing, and production capabilities are backed by a quality system certified to ISO 9001.CARBONDALE, PA