Wire Harness Assembly Manufacturers in France

    11 wire harness assembly suppliers — custom looms, cable harnesses and electromechanical assemblies — with plants in France on Harness Atlas, across 11 cities.

    Browse and shortlist suppliers, then send a single RFQ to multiple recipients with tracked open and reply status. Listings include location, certifications and technical capabilities.

    ArgenteuilChauvignyChevillon-sur-HuillardDampierre-les-BoisLusangerLyonMontigny-le-BretonneuxMontmorillonMouyVillefranche-sur-SaôneYerville

    Headquarters

    MEM HQ

    Chevillon-sur-Huillard, France

    MEM (Moulage Electronique Mécanique), based in the Centre region since 1984, subcontracts cable overmolding and manufactures complete electrical cords/cables in small, medium, and large series, integrating in-house extrusion, injection molding, wire harness assembly, and crimping under one roof. Its 20-person site includes two automated harness test benches and five crimping automats, serving medical, telecom, industrial, defense, rail, high-tech, and lighting-fixture customers.

    Medical
    Telecommunications
    Industrial
    +2
    Low VolumeMid VolumeHigh Volume
    11-50
    Sep 2026

    Headquarters

    S-INDUSTRIES HQ

    Yerville, France

    S-INDUSTRIES manufactures wire harnesses in small, medium, and large series and performs electrical/electronic/electromechanical sub-assembly integration (cabinets, enclosures, racks) at its French site and a Tunisian site opened in 2004. The company serves medical, marine, automotive, electronics, rolling-stock/rail, and aerospace & defense customers, and states it holds UL, EN 9100, ISO 9001 (2016 version), IPC 620, and IATF certifications. It also assembles power cables and cords from AWG32 up to 180mm².

    Medical
    Marine
    Automotive
    +3
    Low VolumeMid VolumeHigh Volume
    Sep 2026

    Headquarters

    EUROCADE HQ

    Dampierre-les-Bois, France

    EUROCADE industrializes and manufactures custom wire harnesses, from prototype through small/medium series, for industrial customers, and has produced automotive wiring harnesses for nearly 30 years as a Tier-1 supplier to the Stellantis group. It also makes high-voltage cabling for electric vehicle traction and power cables/harnesses for energy storage systems (batteries, fuel cells).

    Automotive
    Industrial
    Energy
    PrototypeLow VolumeMid Volume
    Sep 2026

    Headquarters

    TEC Electrotechnique HQ

    Mouy, France

    TEC Electrotechnique, a division of Groupe TEC, manufactures over 110,000 custom wire harnesses per year using a dual-site France/Tunisia production model, handling mono- to multi-strand configurations up to 2000 conductors for signal or power applications. It serves agricultural machinery (including ISOBUS systems) and industrial customers, offering prototype through medium-series production with automated cutting, crimping, and unit testing on every harness.

    Off Road
    Industrial
    PrototypeLow VolumeMid Volume
    Sep 2026

    Headquarters

    LEONI Wiring Systems France S.A.S.

    Montigny-le-Bretonneux, France

    LEONI Wiring Systems France S.A.S. is the French LEONI operation supporting automotive energy and data management solutions. LEONI is a global supplier of complex wiring systems and customer-specific cable harnesses for car, commercial vehicle and component manufacturers.

    Automotive
    Commercial Vehicles
    1000+
    May 2026

    Headquarters

    Venelek HQ

    Chauvigny, France

    Venelek designs and manufactures custom wire harnesses and electrical panels for a wide range of industrial vehicles and equipment, including agricultural machinery, lifting equipment, industrial machine cabs, emergency vehicles (ambulances, fire trucks), boat engines, buses, trams, dump trucks, and heavy trucks. It also builds pre-wired enclosures, complex electrical cabinets, custom lighting kits, and custom joysticks for agricultural machinery, working in both small and large series.

    Off Road
    Industrial
    Commercial Vehicles
    +2
    Low VolumeHigh Volume
    Sep 2026

    Headquarters

    ETC HQ

    Montmorillon, France

    ETC (Etudes, Technique, Conseil) has designed and manufactured custom wire harnesses and electromechanical sub-assemblies since 1989, hand-assembling harnesses with up to 1800 points from prototype through small/medium series. The family-owned SME, with 70 employees in Montmorillon, also assembles electrical cabinets and enclosures and produces custom cables for sectors including agriculture, public works, material handling, aerospace, marine, military vehicles, simulators, special and electric vehicles, and automotive.

    Off Road
    Industrial
    Aerospace
    +3
    PrototypeLow VolumeMid Volume
    51-200
    Sep 2026

    Headquarters

    Sofielca HQ

    Villefranche-sur-Saône, France

    Sofielca, founded in 1981, is a wire harness and electrical wiring specialist that integrates wiring, connector overmolding, and assembly of mechanical or electronic elements for transport, energy, medical, and household appliance customers. The company and its Tunisian subsidiary CYLALIDE are ISO 9001 certified and UL-listed under the ZPFW2 Wiring Harnesses category, and the group is also ISO 14001 certified for environmental management, operating four production sites across France, Tunisia, and Portugal.

    Energy
    Medical
    Electronics
    +1
    Low VolumeMid VolumeHigh Volume
    Sep 2026

    Headquarters

    Etfel HQ

    Argenteuil, France

    Etfel is a custom wire harness subcontractor based in the Île-de-France region, producing cords, twisted cable bundles, harnesses, and wired sub-assemblies for professional equipment in medical, industrial, IoT, and defense applications. It handles design through assembly and testing, including RF cables (SMA, SMB, BNC, TNC), EMC-shielded cables, halogen-free cables, and bus cables, and offers 2-hour delivery across Île-de-France.

    Medical
    Industrial
    Electronics
    PrototypeLow Volume
    Sep 2026

    Headquarters

    Deltacab HQ

    Lusanger, France

    Deltacab has specialized since 1993 in custom wire harness assembly and the integration of electrotechnical sub-assemblies in small and medium series. Its range spans standard electrical harnesses to complex technical cords, and it also produces RF/microwave cables and cords up to 40 GHz for the defense, telecom, and aerospace sectors. The company operates with a team of around thirty people and maintains ISO 9001 quality conformance.

    Aerospace
    Telecommunications
    Low VolumeMid Volume
    11-50
    Sep 2026

    Plant

    Prysmian Group Lyon

    Lyon, France

    Prysmian Group is a wire harness and cable assembly manufacturer headquartered in Milan, Italy. Founded in 2005, the company serves the automotive, industrial, energy industries with operations across Europe, North America, Asia, South America.

    Automotive
    Energy
    Industrial
    +1
    1000+

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