Automotive wire harness manufacturers in 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.

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).

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.

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.

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.