The companies in Yvelines are primarily large and mid-sized firms in the automotive sector, focusing on manufacturing, associated services, and defense. Noteworthy companies include Groupe PSA, a leading automaker now known as Stellantis; Peugeot, known for its distinctive vehicle designs; Novares Group, which specializes in plastic components for greener cars; and Arquus, a major supplier of ground military vehicles to the French army.
Many of these entities are headquartered in Vélizy-Villacoublay, Poissy, and Versailles, forming a geographical cluster within the department. The presence of companies like Emotors, founded in 2018 for electric machine design, alongside established manufacturers, indicates a mix of traditional automotive players and newer firms focused on future mobility solutions.
| # | Company | Employees | |||
|---|---|---|---|---|---|
| 1 |
Groupe PSAgroupe-psa.com
Leading automaker and mobility provider; now known as Stellantis. This entity is one of the world's foremost in vehicle manufacturing and mobility solutions. |
16,153 | |||
| 2 |
Peugeotpeugeot.com
Offers customers exhilarating, quality driving experiences through racy design and uncompromised quality, adding excitement to every journey. |
9,490 | |||
| 3 |
Novares Groupnovaresteam.com
Designs, manufactures complex plastic components and systems for the automotive industry, focusing on greener, lighter, and connected cars with intuitive interfaces. |
2,833 | |||
| 4 |
Leasysleasys.com
Offers long-term rental solutions and company fleet management systems across Europe for efficient, rational, safe, and sustainable mobility for businesses and individuals. |
1,440 | |||
| 5 |
Arquusarquus-defense.com
Leading supplier of ground military vehicles to the French army, combining expertise from Renault Trucks Defense, ACMAT, and Panhard, with 130 years of automotive history. |
1,309 | |||
| 6 |
Emotorsemotors.com
Design and manufacturing of electric machines for on-road vehicles, providing solutions for propulsion and power generation in the automotive industry. |
811 | |||
| 7 |
Sodicam2 - Renault Groupsodicam2.fr
Recruits, trains, and manages a sales force for automotive parts and accessories, ensuring performance and adaptation to market changes through employee development. |
440 | |||
| 8 |
Nissan West Europe – Francenissan.fr
Design and manufacture innovative vehicles including crossovers and electric cars, focusing on accessible technology and customer-centric solutions. |
252 | |||
| 9 |
Alphabet Francealphabet.com
Provides comprehensive mobility solutions for businesses, managing vehicles for 700,000 drivers globally. Focuses on financial, regulatory, and employee well-being aspects. |
238 | |||
| 10 | 198 | ||||
| 11 |
Daimler Truck Francemercedes-benz-trucks.com
Leading truck distributor in France, offers a full range of trucks for various professional needs, supported by a strong network and dedicated experts. |
197 | |||
| 12 |
Stellantis Motorsport
Center of excellence for motorsport activities, managing hybrid and electric racing programs, customer racing, and high-performance motorsport vehicles. |
148 | |||
| 13 |
VEDECOMvedecom.fr
The Institute for Energy Transition (ITE) VEDECOM is a public-private foundation dedicated to innovative and sustainable mobility solutions, supporting French mobility industries |
120 | |||
| 14 |
STSenorise.com
A partner offering flexibility in development, leveraging cutting-edge equipment and expertise to drive team excellence in transient testing and powertrain development |
111 | |||
| 15 |
Mazda Francemazda.fr
Designing and engineering innovative vehicles by challenging industry conventions and embracing a unique vision shared by all employees. |
110 | |||
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 |
Metalplastmetalplast.fr
Designs, develops, and sells accessories and parts exclusively for automotive manufacturers, specializing in innovative custom solutions and integrated products. |
88 | |||
| 17 |
Traxall Francetraxall.fr
Manages automobile fleets, offering software solutions, operational, budgetary, administrative management, driver relations, and expert consulting on various related topics. |
60 | |||
| 18 |
SOVEREP GROUPsoverep.fr
Helping car manufacturers source, develop, and produce high-quality, cost-optimized parts for mid-size production, specializing in electric vehicle components. |
58 | |||
| 19 |
EUROREPAR by Stellantiseurorepar.com
Provides a wide range of automotive products for vehicles older than three years, available in over 100 countries worldwide. |
47 | |||
| 20 |
bilstein group Francebilsteingroup.com
Specializing in automotive aftermarket parts, the company offers a wide range of products for all vehicle brands, with a focus on customer service and innovation |
40 | |||
| 21 |
Magneti Marelli Parts & Services en Francemagnetimarelli-parts-and-services.fr
Distributes original components for major car manufacturers and equivalent quality spare parts, specializing in electronics, lighting, shock absorbers, and technical expertise. |
36 | |||
| 22 |
LDM - La Dimension Mécaniqueldmeca.com
Specialized in high precision mechanical parts manufacturing and seals, serving industries like aerospace, defense, automotive, and medical with quality works globally |
34 | |||
| 23 |
Fiat Francefiat.fr
Official source for Fiat brand news and updates in France, providing information about vehicles and company activities. |
32 | |||
| 24 |
VDO Francecontinental.com
Provides electronic solutions and original equipment for special vehicles, alongside products and services for tachograph centers and fleet managers, in Rambouillet, France. |
30 | |||
| 25 |
Stellantis CEMR Poissylinkedin.com
Discover the latest news, events, and activities of a business center specializing in various fields and regions |
29 | |||
| 26 |
ASCA REMORQUES INDUSTRIE - Les Remorques Made in France 🇨🇵asca.fr
Design and manufacture a wide range of trailers and semi-trailers including container carriers, forestry trailers, gas bottle carriers, and custom chassis. |
27 | |||
| 27 |
LEM Liberty Electric Motionliberty-electric-motion.com
Specialist in electric mobility for over 18 years, offering sales, rental, maintenance, and custom design and production of electric vehicles. |
21 | |||
| 28 |
KEOLIS SEINE ET OISE ESTkeolis-idf.com
The company operates public transportation networks worldwide, specializing in automated metro and tram systems, as well as healthcare transport and parking services |
21 | |||
| 29 |
IAV S.A.S.U.iav.com
Develops tomorrow's mobility as a leading engineering partner, combining automotive and IT expertise, hardware and software, product and service for global OEMs. |
16 | |||
| 30 |
Stellantis Design Studiostellantisdesignstudio.com
Creative agency leveraging iconic design from Stellantis brands to collaborate globally, creating engaging brand experiences with a focus on sustainable products |
16 | |||
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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 12, 2026.
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- Environmental services companies in the Yvelines department 35
The same list elsewhere in France
- Automotive manufacturers and suppliers in France 1,050
- Automotive manufacturers and suppliers in Île-de-France 322
- Automotive manufacturers and suppliers in Auvergne-Rhône-Alpes 193
- Automotive manufacturers and suppliers in Grand Est 86
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- Automotive manufacturers and suppliers in Nouvelle-Aquitaine 55
- Automotive manufacturers and suppliers in Pays de la Loire 55
- Automotive manufacturers and suppliers in the Rhône department 54
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- Automotive manufacturers and suppliers in Occitanie 46
- Automotive manufacturers and suppliers in Provence-Alpes-Côte d'Azur 40
- Automotive manufacturers and suppliers in Brittany 39
- Automotive manufacturers and suppliers in Normandy 39
- Automotive manufacturers and suppliers in the Haute-Savoie department 36
- Automotive manufacturers and suppliers in Centre-Val de Loire 30
- Automotive manufacturers and suppliers in Paris 114