High-Voltage (HV) Capable wire harness manufacturers

    Harness Atlas lists 18 plants with this capability. High-voltage (HV) wire harnesses power EV and hybrid drivetrains, battery packs and charging systems — requiring orange HV cable, shielded touch-safe connectors, HV interlock loops and hipot testing. These plants are qualified for EV and high-voltage work.

    Headquarters

    Thai Summit Harness Public Company Limited HQ

    Si Racha, Thailand

    Thai Summit Harness Public Company Limited is a wire harness and cable assembly manufacturer based in Thailand. The company produces custom wire harnesses and cable assemblies for a range of industrial applications. Automotive Wire harness Thailand :: Thaisummit Harness Co.

    Automotive

    Headquarters

    Rocky Wiring Harnesses HQ

    Yeppoon, Australia

    Rocky Wiring Harnesses is a wire harness and cable assembly manufacturer based in Australia. The company produces custom wire harnesses and cable assemblies for a range of industrial applications. At Rocky Wiring Harnesses, we are a dedicated and reliable team and we are more than willing to accommodate increased production demand depending on project requirements. Our wiring harnesses are made tough to endure high heat degradation.

    Off Road

    Julian Electric de Mexico - Planta Derramadero is a wire harness and cable assembly manufacturer based in Mexico. The company produces custom wire harnesses and cable assemblies for a range of industrial applications. Quality Manufacturing Since 1959 A leading manufacturer of custom, high-quality & reliable battery and power cables, wiring harnesses and specialty power components for diverse applications. Get in Touch Browse Our Products Battery & Power Cables Wiring Harnesses High Voltage Cables Specialty Power Components Powerful Manufacturing Backed By Personal Service In 1959, Julian Electric’s founder Victor J.

    Headquarters

    AEC srl HQ

    Busto Arsizio, Italy

    AEC srl is a wire harness and cable assembly manufacturer based in Italy. The company produces custom wire harnesses and cable assemblies for a range of industrial applications.

    Automotive

    Headquarters

    Hirschmann Automotive TM SRL HQ

    Târgu Mureș, Romania

    Hirschmann Automotive TM manufactures connectors, contacting systems, mechatronic components, and cable kits in Mures, Romania.

    Automotive

    Headquarters

    Quadrangle Products HQ

    Englishtown, United States

    Quadrangle Products is a wire harness and cable assembly manufacturer based in United States. The company produces custom wire harnesses and cable assemblies for a range of industrial applications. FFC Cable (Flat Flexible Cable) is an increasingly popular and necessary type of cable in a world where technology is getting smaller and more compact. While “FFC” is a broad term that can be used to describe any cable that is flat and flexible, it usually describes the extremely thin, flat cables found in high-density […].

    Marine
    Medical
    Aerospace
    Certs:ISO 9001
    Cablisys Tunisie logo

    Headquarters

    Cablisys Tunisie - Kalaa Kebira

    Kalâa Kebira, Tunisia

    Cablisys Tunisie designs and manufactures electrical harnesses, overmolded harnesses and plastic injection in medium and large series for automotive, defence, industrial, rail transport, medical and household appliance applications. The company lists IATF 16949 and ISO 9001:2015 certifications.

    Appliances
    Automotive
    Industrial
    +2
    Certs:ISO 9001, IATF 16949
    501-1000
    May 2026

    Headquarters

    亞生特電業股份有限公司 HQ

    Pingtung, Taiwan

    亞生特電業股份有限公司 is a wire harness and cable assembly manufacturer based in Taiwan. The company produces custom wire harnesses and cable assemblies for a range of industrial applications. 100% Electrical Testing •High quality •Customer Satisfaction•Humanized Management We devote ourselves to achieve clients' demands ranged over customizing, designing, manufacturing and delivering. Customized wire harness solutions that exemplify our unwavering dedication to quality and exceptional customer service.

    Automotive
    Commercial Vehicles
    Certs:IATF 16949

    M-Link Wirinng Harness India Private Limited is a wire harness and cable assembly manufacturer based in India. The company produces custom wire harnesses and cable assemblies for a range of industrial applications. View Products Get Quote 🏭 ISO Certified Manufacturing State-of-the-art facility in Hosur, Tamil Nadu.

    Automotive
    Commercial Vehicles

    Headquarters

    AQ Systèmes de Câblage Canada HQ

    Saint-Eustache, Canada

    AQ Systèmes de Câblage Canada is a wire harness and cable assembly manufacturer based in Canada. The company produces custom wire harnesses and cable assemblies for a range of industrial applications. All proposals approved by the customer are integrated in the F. You whish to manufacture within the United States to respect your American labor content.

    Automotive
    Industrial
    Medical
    +1

    Headquarters

    Assembly Solutions Ltd HQ

    Bolton, United Kingdom

    Assembly Solutions Ltd is a wire harness and cable assembly manufacturer based in United Kingdom. The company produces custom wire harnesses and cable assemblies for a range of industrial applications. Learn more Cable Assembly Custom cable assembly manufacturer UK Cable assembly manufactured through the most efficient operations and highest quality standards. Learn more Wiring Harness Custom wiring harness manufacturer UK Wiring Looms and Harnesses made on a fast turnaround and delivered with 100% electrical testing.

    Automotive
    Medical
    Rolling Stock
    +3
    Certs:ISO 45001, ISO 9001

    Headquarters

    Lemo Denmark A/S HQ

    Middelfart, Denmark

    Lemo Denmark A/S is a wire harness and cable assembly manufacturer based in Denmark. The company produces custom wire harnesses and cable assemblies for a range of industrial applications. Discover more Cables LEMO designs, tests and manufactures high quality cable solutions which meet the demands of the most exacting applications and industries. Discover more Services LEMO offers complete connectivity services for high-performance solutions such as cable assembly, customised solutions and signal integrity services.

    Medical
    Energy
    Industrial
    +1

    Headquarters

    Celestix Industries India Pvt. Ltd. HQ

    Ahmedabad, India

    Celestix Industries India Pvt. Ltd. is a wire harness and cable assembly manufacturer based in India. The company produces custom wire harnesses and cable assemblies for a range of industrial applications. Wiring Harness, Trusted Globally Celestix Industries India Pvt. is a trusted leader in custom wiring harness manufacturing and plastic injection molding.

    Automotive
    Energy
    Electronics
    +2
    Certs:IATF 16949, ISO 9001

    Violin Technologies Pvt Ltd - Corporate Office (Unit 3) is a wire harness and cable assembly manufacturer based in India. The company produces custom wire harnesses and cable assemblies for a range of industrial applications. Founded in 2016, Violin Technologies has grown into a comprehensive manufacturing solutions provider, serving customers across global markets. Read More About Us How We Help Our Services We at Violin Technologies work tirelessly to help our customers to solve their manufacturing and sourcing problems.

    Aerospace
    Medical
    Industrial
    +1

    Headquarters

    AR Quality Parts HQ

    Karachi, Pakistan

    Heavy-Duty OEM Automotive Industry Wiring Harness Manufacturer, Experts in Research and Development.

    Aerospace
    Automotive
    Commercial Vehicles
    +2
    1-10

    ProEV, a Division of Electrical Components International is a wire harness and cable assembly manufacturer based in Canada. The company produces custom wire harnesses and cable assemblies for a range of industrial applications. FRANÇAIS HOME HV CABLES ENERGYFLX CUSTOM BUSBARS WIRE HARNESSES PROARMOR SLEEVING BOOK A CONSULT Socials TELEPHONE 1 866-426-4104 ADDRESS 6875 De la Côte-de-Liesse Rd, Saint-Laurent, QC H4T 1E5 EMAIL info@pmk. com HIGH VOLTAGE CABLE AND WIRE HARNESSES FOR COMMERCIAL AND INDUSTRIAL VEHICLES & ENERGY STORAGE A GLOBAL MANUFACTURING POWERHOUSE Developed for innovative OEMs looking to pioneer new technology for EV’s.

    Automotive
    Commercial Vehicles
    Energy
    +1

    Plant

    Rolling Stock Czaplinek

    Czaplinek, Poland

    Motherson is a wire harness and cable assembly manufacturer based in India. Founded in 1975, the company serves the hvac, off-road, automotive, marine, industrial, energy, aerospace, medical, rolling-stock industries. Serving customers across North America, South America, Europe, Asia. Proud to be part of Driven by our values, guided by our vision, and united by our purpose, we celebrate the collective efforts of all our people and the unwavering trust of our customers and other stakeholders. Recognised as one of the world’s leading automotive suppliers to OEMs, Motherson continues to set benchmarks in quality and innovation.

    Aerospace
    Automotive
    Energy
    +6
    1000+

    Plant

    PKC Starachowice

    Starachowice, Poland

    Motherson is a wire harness and cable assembly manufacturer based in India. Founded in 1975, the company serves the hvac, off-road, automotive, marine, industrial, energy, aerospace, medical, rolling-stock industries. Serving customers across North America, South America, Europe, Asia. Proud to be part of Driven by our values, guided by our vision, and united by our purpose, we celebrate the collective efforts of all our people and the unwavering trust of our customers and other stakeholders. Recognised as one of the world’s leading automotive suppliers to OEMs, Motherson continues to set benchmarks in quality and innovation.

    Aerospace
    Automotive
    Energy
    +6
    1000+

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