Founded in 1991, Britech is a Pennsylvania manufacturer known for working closely with customers when technical requirements are complex or timelines are tight. Its 60-person team supports demanding industrial applications with custom electrical assemblies, including wire harnesses and control panels, from a 50,000-square-foot facility. Britech became part of Electrical Components International in December 2022 and maintains an ISO 9001:2015-certified quality system.
ISO 9001:2015 Certification
UL 508A
UL 698A
UL 764
SESCOSince David Souders started SESCO in 1983 in a small outbuilding behind his home, the Pennsylvania company has grown into an electrical contract manufacturer serving OEMs across the United States. Its two facilities support custom electrical assemblies for demanding applications, including equipment used to support and protect U.S. military personnel. SESCO is ISO 9001:2015 certified and a founding member of the Wiring Harness Manufacturer’s Association.MONT ALTO, PA
Electri-Cord Manufacturing CoFounded in Brooklyn in 1946, Electri-Cord Manufacturing Co. has grown from a power-cord maker into a family-owned electronics contract manufacturer producing custom wiring harnesses, cable assemblies and larger electronic assemblies. From its 65,000-square-foot headquarters in Westfield, Pennsylvania, ECM supports projects from design through end-of-life while pairing U.S. engineering and manufacturing with nearshore and global production. Its quality system includes ISO 9001:2015, UL and CSA approvals, with IATF 16949 certification at its Guadalajara facility.CORNING, NY
Electro Systems, LLCFounded in 1971 from Lew Powell’s garage, Electro Systems builds custom cable, wiring-harness, tubing and electromechanical assemblies for contract-manufacturing customers. The West Grove company grew from an early flexible-Teflon tubing project for DuPont into a low-volume manufacturing specialist known for solving difficult assembly problems, including integrated electrical and fluid-delivery systems. Its 18,000-square-foot facility supports UL-certified work and IPC/WHMA-A-620-trained cable and harness technicians.WEST GROVE, PA
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