SUMITOMO Electric Bordnetze Tunisia is the local subsidiary of the Sumitomo Electric Bordnetze (SEBN) group, a Japanese/German automotive supplier specializing in the design and manufacture of highly technical electrical harnesses and wiring systems for vehicles. Located in Fouchana (Ben Arous), the Tunisian entity produces complex wiring harnesses for international automotive manufacturers, adhering to strict industrial quality and performance standards (IATF 16949, ISO 9001, etc.), and contributes to positioning Tunisia as a key player in the global automotive supply chain.

SKG Tunisia (Société Krichen Galvanoplastie) is a Tunisian industrial company based in Sfax, specializing in metal plating applications (chrome plating, zinc plating), plastic injection molding, and the metallization of ABS parts. Its services encompass the design, injection molding, decoration, and packaging of technical components. Serving primarily the automotive sector, as well as other industries, it adheres to international quality standards and has established itself as a leading player in surface treatment and industrial plastics processing in North Africa.

SIA Shock Absorbers Tunisia is an industrial subsidiary specializing in the manufacture of shock absorbers and suspension components for the automotive industry. It produces technical suspension solutions for manufacturers and the aftermarket, adhering to high quality standards (ISO/IATF certifications) and contributing to Tunisia's performance and competitiveness in the global automotive supply chain.

SCHULTE Automotive Tunisia is the Tunisian subsidiary of the Schulte Automotive Group, an international automotive supplier specializing in the design and manufacture of metal and mechanical components for vehicles, including suspensions, chassis components, and technical sub-assemblies. Based in Fouchana (Ben Arous), the company operates with high standards of quality and performance, supplies global automotive manufacturers, and contributes to Tunisia's industrial competitiveness within the global automotive supply chain.

SERMA Tunisia is the Tunisian subsidiary of the SERMA Group, a European group specializing in expertise, consulting, and testing in electronic technologies, embedded systems, and cybersecurity. Located in El Ghazala (Ariana), the entity operates in industrial electronics, embedded systems validation, and reliability testing, particularly for demanding sectors such as automotive, aerospace, energy, and telecommunications. SERMA Tunisia leverages the group's technical expertise to provide R&D, engineering, and technical support services that meet international standards, contributing to the performance of supply chains and high-tech projects.

SAGE Tunisia is the local subsidiary of the SAGE Automotive Interiors group (now part of Lear Corporation), specializing in the design and manufacture of technical textiles for the automotive industry (seat fabrics, interior upholstery, acoustic materials, and comfort solutions). Based in Mornaguia (Tunis), the Tunisian entity produces high-quality automotive textiles for international manufacturers, adhering to demanding industry standards, while also integrating into the group's global production ecosystem to strengthen Tunisia's competitiveness in the global supply chain.

ROSENBERGER Tunisia is the Tunisian subsidiary of the Rosenberger Group, a German industrial equipment manufacturer specializing in connectors, wiring systems, and high-frequency connectivity solutions for the automotive and telecommunications sectors. Located in Enfidha (Sousse), the company operates on a site of over 12,000 m², producing automotive connectors, cable assemblies, and data transmission technologies for international clients, while adhering to certified quality standards (IATF 16949, ISO 9001, ISO 14001). Rosenberger Tunisia combines manual and automated production to meet the performance, innovation, and reliability requirements of the global industry.

PLASTI-KA (Plastigray) Tunisia is the Tunisian subsidiary of the European Plastigray Group, specializing in the production of plastic parts by injection molding (two-component, overmolding, decoration, and assembly) for various industrial sectors, including automotive, electronics, medical, and other technical applications. It operates in Kalaa Kebira (Sousse) with integrated production lines and adheres to international quality standards (ISO 9001, IATF 16949, ISO 14001), leveraging the group's technological expertise and network to meet the needs of demanding export clients.

PEC Tunisia (Plastic Electromechanic Company) is a subsidiary of the Plastic Electromechanic Company group, specializing in the injection molding of technical plastic parts, overmolding, automotive wiring harnesses, and the assembly of electrical and electromechanical sub-assemblies. Based in Hammam Zriba (Zaghouan), the company primarily serves the automotive, electrical, industrial, and medical sectors, adhering to international quality standards and integrating complete industrial processes for the production and integration of components for export markets.

OPTITEC Tunisia (Surfaprotec) is the Tunisian subsidiary of the French Optitec Group, specializing in surface treatment and the application of industrial paints for metal parts intended for the industrial and automotive sectors. Established in Tunisia since 2010, the company offers anti-corrosion protection, powder and liquid painting, zinc plating, tin plating, and specific treatments for aluminum, in accordance with international quality standards.