This selection of companies in Hauts-de-Seine primarily features large firms involved in the automotive sector and mobility services. Companies like Faurecia and Plastic Omnium are key players in motor vehicle manufacturing and component supply, focusing on advanced solutions for sustainable mobility. Transdev and Keolis Group specialize in public transportation solutions, while Arval BNP Paribas Group and ALD Automotive provide vehicle leasing and fleet management.
A notable pattern is the concentration of companies engaged in vehicle-related services and manufacturing. Many of these companies, such as Faurecia (founded 1997), Transdev (2011), and Keolis Group (2001), were established in the late 20th or early 21st century, indicating a period of significant growth and innovation in the mobility sector.
| # | Company | Employees | |||
|---|---|---|---|---|---|
| 1 |
Faureciafaurecia.com
Designing automotive tech solutions for safe, personalized, connected, and sustainable mobility. A company of the Group FORVIA, contributing to tomorrow's mobility. |
29,764 | |||
| 2 |
Transdevtransdev.com
Provides safe, reliable, and innovative public transportation solutions globally, empowering daily freedom to move for millions of passengers across 19 countries, serving common good. |
13,519 | |||
| 3 |
Plastic Omniumplasticomnium.com
Provides innovative automotive solutions: exterior systems, lighting, clean energy, and complex modules. Focuses on zero-carbon mobility through hydrogen and electrification. |
9,551 | |||
| 4 |
Arval BNP Paribas Grouparval.com
Arval provides full-service vehicle leasing and new mobility solutions, with a global presence serving corporate, small business, and individual clients |
8,525 | |||
| 5 |
Keolis Groupkeolis.com
Global leader in shared mobility, co-constructing safe, smart, and sustainable public transport solutions including metros, tramways, buses, and various innovative services. |
7,847 | |||
| 6 |
TRIGOtrigo-group.com
Provides comprehensive quality solutions and management services for automotive, aerospace, and transport industries, addressing supply chain challenges globally with local expertise. |
5,771 | |||
| 7 |
INDIGO Groupgroup-indigo.com
Global provider of parking, individual mobility, digital solutions, and urban services with strong local presence in nine countries. |
4,262 | |||
| 8 |
ALD Automotivealdautomotive.com
Leading global provider sustainable mobility solutions, managing over 3.3 million vehicles across 44 countries for corporates, SMEs, professionals, and individuals. Focuses on full-service leasing and fleet management. |
3,182 | |||
| 9 |
CFAOcfaogroup.com
Contributes to growth and industrialisation in Africa, providing mobility, healthcare, consumer goods, infrastructure and energy solutions to the continent's emerging middle class. |
2,761 | |||
| 10 |
FRAIKIN Groupfraikin.com
Leading European commercial vehicle rental company, offering fleet management solutions, with a large multi-brand vehicle fleet and an extensive integrated network across Europe. |
2,223 | |||
| 11 |
FRAIKIN Francefraikin.fr
A leading mobility solutions provider in Europe, offering a wide range of vehicle rental options and fleet management services to professionals across various industries |
1,505 | |||
| 12 |
Trèves Grouptreves-group.com
Designs, develops, and manufactures automotive acoustic solutions improving vehicle interior comfort by reducing noise pollution for major international manufacturers. |
1,265 | |||
| 13 |
Groupe Mécanique Découpage / GMDgroupe-gmd.com
Specializes in metal blanking-stamping, plastic injection molding, thermoforming, and aluminum smelting, providing reliable industrial subcontracting services. |
1,080 | |||
| 14 | 791 | ||||
| 15 |
Samvardhana Motherson Reydel Companiessmrc-automotive.com
Design, develop, industrialize, and manufacture modular interior systems. Plants and technical centers are located close to customers worldwide. |
775 | |||
Want more companies than this list?This page shows the largest ones only. Connect to Tamtam to see every company that matches, filter by size, industry or growth, and reach their decision-makers. | |||||
| 16 |
Transdev Île-de-Francetransdev.com
Providing reliable, innovative, and sustainable transport solutions across Île-de-France, including GNV vehicles, digital services, and accessible mobility options. |
621 | |||
| 17 |
REYDEL AUTOMOTIVEreydel.com
Designs, develops, and manufactures complete modular interior systems globally, adapting to local markets, and providing insights for consumer-appealing solutions. |
444 | |||
| 18 |
Mitsubishi Electric Europe BV Francefr.mitsubishielectric.com
A global leader in manufacturing and selling electrical products and systems for various fields, using innovative technologies to enhance society worldwide |
412 | |||
| 19 | 405 | ||||
| 20 |
VERNICOLOR Groupvernicolor.com
Design, molding, painting, plating, laser etching, and assembly of decorated sub-assemblies using diverse materials across global locations. |
362 | |||
| 21 |
TSG Francetsg-solutions.com
European leader in technical services for sustainable mobility solutions, specializing in energy infrastructure for electric, hydrogen, and biofuel vehicles, with a wide range of innovative products and solutions |
357 | |||
| 22 |
Kia Francekia.com
Believes movement inspires ideas, constantly evolving through new experiences to find fresh motivation and drive. |
326 | |||
| 23 |
Hyundai Motor Francehyundai.fr
Distributes and sells a wide range of reliable, innovative, and eco-friendly cars in France, offering diverse electrified motorizations and dedicated services to individuals and businesses. |
320 | |||
| 24 |
Porsche Franceporsche.com
Luxury automotive brand emphasizing strong identity, unique values, prestigious heritage, and high standards in design and strategic decisions. |
305 | |||
| 25 |
CFAO Equipmentcfaogroup.com
Offers equipment sales, rental, and maintenance solutions, providing comprehensive support including consulting, delivery, service, and financing for development projects across Africa. |
301 | |||
| 26 |
Montupetmontupet.fr
A leading global aluminum foundry specializing in cylinder head production using advanced technologies like semi permanent mold, tilted gravity, and low pressure |
297 | |||
| 27 |
STVAgroupecat.com
European leader in automotive finished vehicles logistics, providing transportation, storage, and distribution services to global car manufacturers, rental companies, and dealers |
267 | |||
| 28 | 203 | ||||
| 29 |
Q-Park Franceq-park.fr
Management and renovation of 115,000 parking spaces across more than 70 French cities with a team of 430 employees. |
171 | |||
| 30 |
NEOTISSneotiss.com
Global leader in thin welded tubes for various industries, offering a wide range of high-quality products with a focus on innovation and sustainability |
163 | |||
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How this list is built
Every company on this list has a Tamtam company profile. The industry is the one the company gives on LinkedIn; categories such as SaaS or fintech are classified by Tamtam's AI from the company's website and LinkedIn page; and the headquarters city must match the company's own address. Companies are ranked by the number of employees on LinkedIn, and the list is refreshed every night. Classifications can be wrong, so treat the list as a starting point rather than an official ranking. Last updated Nov 14, 2026.
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The same list elsewhere in France
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