# Top 30 manufacturers in the Yvelines department Tamtam tracks 109 manufacturers headquartered in the Yvelines department. This list ranks the 30 largest by number of employees on LinkedIn, led by Groupe PSA, Peugeot and SAVENCIA. Their median headcount is 760. Half of them were founded in 1985 or later. The most common headquarters are Velizy-Villacoublay (10), Versailles (3) and Poissy (2). The largest companies in Yvelines are primarily engaged in manufacturing, with a strong emphasis on the automotive and aerospace sectors. Notable firms include Groupe PSA, a major automaker and mobility provider; ArianeGroup, which designs and manufactures space launch systems; SAVENCIA, a family-owned food group; and KNDS France, specializing in armored vehicles and artillery. These companies represent a mix of well-established industrial groups and some newer ventures. A significant concentration of these manufacturers is found in Velizy-Villacoublay, which hosts several key players such as Groupe PSA, Novares Group, and Safran Landing Systems. Other important hubs include Versailles, home to KNDS France and Arquus, and Poissy, where Peugeot is based. This geographic distribution highlights specific industrial zones within the department. 🇫🇷 Yvelines · 30 companies · Updated Nov 11, 2026 | # | Company | Industry | Headquarters | Employees | Founded | |---|---|---|---|---|---| | 1 | [Groupe PSA](https://www.tamtam.ai/c/groupe-psa) (groupe-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. | Motor Vehicle Manufacturing | 🇫🇷 Velizy-Villacoublay | 16,153 | | | 2 | [Peugeot](https://www.tamtam.ai/c/peugeot) (peugeot.com)
Offers customers exhilarating, quality driving experiences through racy design and uncompromised quality, adding excitement to every journey. | Motor Vehicle Manufacturing | 🇫🇷 Poissy | 9,490 | 1810 | | 3 | [SAVENCIA](https://www.tamtam.ai/c/savencia) (savencia.com)
Family-owned food group valorizing milk and cocoa sectors for high-quality products, strong brands, meeting consumer expectations and supporting culinary professionals worldwide. | Food and Beverage Manufacturing | 🇫🇷 Viroflay | 9,109 | | | 4 | [ArianeGroup](https://www.tamtam.ai/c/arianegroup) (ariane.group)
Designing, developing, manufacturing, and operating space launch systems and strategic missiles for space and defense sectors. | Aviation and Aerospace Component Manufacturing | 🇫🇷 Les Mureaux | 6,651 | | | 5 | [KRYS GROUP](https://www.tamtam.ai/c/krys-group) (krys-group.com)
The company operates in optical and hearing health, distributing and manufacturing eyewear. It is a cooperative, focusing on human values and innovation for its products. | Retail | 🇫🇷 Bazainville | 3,310 | 1966 | | 6 | [KNDS France](https://www.tamtam.ai/c/knds-france) (knds.com)
Designing, developing, producing armored vehicles, artillery, guns, turrets, ammunition, and robotic systems, with customer support, for armed forces land combat challenges. | Defense and Space Manufacturing | 🇫🇷 Versailles | 2,894 | | | 7 | [Novares Group](https://www.tamtam.ai/c/novares-group) (novaresteam.com)
Designs, manufactures complex plastic components and systems for the automotive industry, focusing on greener, lighter, and connected cars with intuitive interfaces. | Motor Vehicle Manufacturing | 🇫🇷 Velizy-Villacoublay | 2,833 | 1955 | | 8 | [Safran Landing Systems](https://www.tamtam.ai/c/safran-landing-systems) (safran-group.com)
Specializes in landing gear systems, providing innovative solutions for aircraft safety, performance, and maintenance in both commercial and military sectors. | Aviation and Aerospace Component Manufacturing | 🇫🇷 Velizy-Villacoublay | 1,717 | | | 9 | [LGM](https://www.tamtam.ai/c/lgm-velizy-villacoublay) (lgm.group)
The company offers technological, digital, and software engineering consulting, innovative solution design, and complex electronics production, supporting critical systems and industrial performance. | Engineering Services | 🇫🇷 Velizy-Villacoublay | 1,469 | 1991 | | 10 | [Fenwick-Linde](https://www.tamtam.ai/c/fenwick-linde) (bit.ly)
Listening to clients, creating innovative, tailored material handling solutions, with a focus on forklifts, intralogistics, robotics, and energy efficiency. | Industrial Machinery Manufacturing | 🇫🇷 Élancourt | 1,376 | 1985 | | 11 | [Arquus](https://www.tamtam.ai/c/arquus) (arquus-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. | Defense and Space Manufacturing | 🇫🇷 Versailles | 1,309 | | | 12 | [SOURIAU-SUNBANK Connection Technologies by Eaton](https://www.tamtam.ai/c/souriau-sunbank-connection-technologies-by-eaton) (souriau.com)
An intelligent power management company focused on improving quality of life, protecting the environment, and helping customers manage power efficiently | Appliances, Electrical, and Electronics Manufacturing | 🇫🇷 Versailles | 965 | | | 13 | [Jungheinrich France SAS](https://www.tamtam.ai/c/jungheinrich-france-sas) (jungheinrich.fr)
International leader in handling equipment, storage systems, and goods flow management. Offers forklifts, racking, services, and consulting for warehouse logistics needs. | Machinery Manufacturing | 🇫🇷 Velizy-Villacoublay | 909 | | | 14 | [Emotors](https://www.tamtam.ai/c/emotors) (emotors.com)
Design and manufacturing of electric machines for on-road vehicles, providing solutions for propulsion and power generation in the automotive industry. | Motor Vehicle Manufacturing | 🇫🇷 Carrières-sous-Poissy | 811 | 2018 | | 15 | [Carmat](https://www.tamtam.ai/c/carmat) (carmatsa.com)
Designs, manufactures, and markets the Aeson artificial heart, a physiological and self-regulated device for end-stage biventricular heart failure patients awaiting transplant. | Medical Equipment Manufacturing | 🇫🇷 Velizy-Villacoublay | 760 | 2008 | | 16 | [ENVEA Global](https://www.tamtam.ai/c/envea-global) (envea.global)
Provides advanced certified air quality and emissions monitoring solutions to help industries meet environmental targets and move towards net zero. Prevent harmful environmental pollution. | Industrial Machinery Manufacturing | 🇫🇷 Poissy | 738 | 1978 | | 17 | [Schindler France](https://www.tamtam.ai/c/schindler-france) (schindler.fr)
Design, manufacture, install, maintain, and modernize elevators, escalators, moving walkways, and building mobility management products worldwide. | Transportation Equipment Manufacturing | 🇫🇷 Velizy-Villacoublay | 719 | | | 18 | [DIAM Group · Retail & Merch Solutions](https://www.tamtam.ai/c/diam-group-retail-and-merch-solutions) (diaminter.com)
Providing end-to-end retail and merchandising services including design, production, installation, and after-sales support with global presence and sustainability focus. | Advertising Services | 🇫🇷 Les Mureaux | 688 | | | 19 | [Eiffage Métal](https://www.tamtam.ai/c/eiffage-metal) (eiffagemetal.com)
Specializing in turnkey metal construction, Eiffage Métal designs and builds building envelopes, facades, and complex multi-technical projects, with a focus on industrial and wind energy sectors | Construction | 🇫🇷 Velizy-Villacoublay | 607 | | | 20 | [Fichet Group](https://www.tamtam.ai/c/fichet-group) (fichetgroup.fr)
Fichet Group offers creative and expert security solutions for businesses, banks, public administrations, retail, and homes, addressing evolving physical and cyber risks for a safer world. | Security and Investigations | 🇫🇷 Velizy-Villacoublay | 438 | 1998 | | 21 | [Ineo Defense](https://www.tamtam.ai/c/ineo-defense)
Provides technological solutions and services for defense and security, covering critical communications, electronic warfare, operational system protection, and site surveillance. | Defense and Space Manufacturing | 🇫🇷 Velizy-Villacoublay | 355 | | | 22 | [STAR MARKET](https://www.tamtam.ai/c/star-market) (starmarket.com)
A food production company based in Maurepas, France, creating various food products for consumers. | Food and Beverage Manufacturing | 🇫🇷 Maurepas | 328 | | | 23 | [ETANCO Group](https://www.tamtam.ai/c/etanco-group) (etancogroup.com)
Providing a wide range of fixing and fastening solutions for building envelopes, including waterproofing, roofing, cladding, and facades. | Construction | 🇫🇷 Le Pecq | 289 | 1952 | | 24 | [Nissan West Europe – France](https://www.tamtam.ai/c/nissan-west-europe-france) (nissan.fr)
Design and manufacture innovative vehicles including crossovers and electric cars, focusing on accessible technology and customer-centric solutions. | Motor Vehicle Manufacturing | 🇫🇷 Voisins-le-Bretonneux | 252 | 1972 | | 25 | [3D PLUS](https://www.tamtam.ai/c/3d-plus) (3d-plus.com)
Development and manufacturing of miniaturized electronic modules for space applications, including memory, power, cameras, and custom SiP solutions. | Space Research and Technology | 🇫🇷 Buc | 220 | 1995 | | 26 | [HellermannTyton France](https://www.tamtam.ai/c/hellermanntyton-france) (hellermanntyton.fr)
Provides cable fixation, identification, protection, and installation solutions for automotive, aerospace, medical, and renewable energy industries with global production sites. | Plastics Manufacturing | 🇫🇷 Trappes | 207 | 1962 | | 27 | [OTHUA](https://www.tamtam.ai/c/othua) (othua.fr)
Provider of industrial automation systems since 1994, specializing in automotive industry with expertise in various sectors, offering turn-key solutions worldwide | Automation Machinery Manufacturing | 🇫🇷 Chanteloup-les-Vignes | 199 | 1994 | | 28 | [Pyroalliance](https://www.tamtam.ai/c/pyroalliance) (pyroalliance.ariane.group)
manufacture advanced pyrotechnic and mechanical equipment for aerospace, defense, and energy industries, ensuring high performance and reliability | Defense and Space Manufacturing | 🇫🇷 Les Mureaux | 166 | 1997 | | 29 | [SEDERMA](https://www.tamtam.ai/c/sederma) (crodabeauty.com)
A global leader in cosmetic active ingredients, offering a unique range for skincare and haircare products with proven efficacy for various benefits | Personal Care Product Manufacturing | 🇫🇷 Le Perray-en-Yvelines | 138 | | | 30 | [MCL](https://www.tamtam.ai/c/mcl-acheres) (microcable.fr)
Specializing in cabling, IT equipment, mobility, and home automation, this French company distributes its own branded products and offers installation services to clients | Computers and Electronics Manufacturing | 🇫🇷 Achères | 133 | 1985 | ## 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 11, 2026. ## More company lists in the Yvelines department - [The largest companies in the Yvelines department](https://www.tamtam.ai/l/largest-companies-yvelines) (1,469) - [Multinational companies in the Yvelines department](https://www.tamtam.ai/l/multinational-companies-yvelines) (226) - [Companies with in-house R&D in the Yvelines department](https://www.tamtam.ai/l/r-and-d-companies-yvelines) (160) - [IT services companies in the Yvelines department](https://www.tamtam.ai/l/it-services-companies-yvelines) (121) - [IT Services and IT Consulting companies in the Yvelines department](https://www.tamtam.ai/l/it-services-and-it-consulting-companies-yvelines) (118) - [Professional services firms in the Yvelines department](https://www.tamtam.ai/l/professional-services-firms-yvelines) (108) - [Hardware manufacturers in the Yvelines department](https://www.tamtam.ai/l/hardware-companies-yvelines) (106) - [Distributors and wholesalers in the Yvelines department](https://www.tamtam.ai/l/distributors-and-wholesalers-yvelines) (91) - [Retail chains in the Yvelines department](https://www.tamtam.ai/l/retail-chains-yvelines) (89) - [Consulting firms in the Yvelines department](https://www.tamtam.ai/l/consulting-firms-yvelines) (72) - [Aerospace and defence companies in the Yvelines department](https://www.tamtam.ai/l/aerospace-and-defense-companies-yvelines) (65) - [Public sector organisations in the Yvelines department](https://www.tamtam.ai/l/public-sector-organisations-yvelines) (65) - [Software Development companies in the Yvelines department](https://www.tamtam.ai/l/software-development-companies-yvelines) (56) - [Business Consulting and Services companies in the Yvelines department](https://www.tamtam.ai/l/business-consulting-and-services-companies-yvelines) (53) - [Government Administration companies in the Yvelines department](https://www.tamtam.ai/l/government-administration-companies-yvelines) (51) - [Construction companies in the Yvelines department](https://www.tamtam.ai/l/construction-companies-yvelines) (50) - [Automotive manufacturers and suppliers in the Yvelines department](https://www.tamtam.ai/l/automotive-companies-yvelines) (49) - [Motor Vehicle Manufacturing companies in the Yvelines department](https://www.tamtam.ai/l/motor-vehicle-manufacturing-companies-yvelines) (49) - [SaaS companies in the Yvelines department](https://www.tamtam.ai/l/saas-companies-yvelines) (49) - [Education providers in the Yvelines department](https://www.tamtam.ai/l/education-companies-yvelines) (46) - [Industrial Machinery Manufacturing companies in the Yvelines department](https://www.tamtam.ai/l/industrial-machinery-manufacturing-companies-yvelines) (43) - [Critical infrastructure operators in the Yvelines department](https://www.tamtam.ai/l/critical-infrastructure-operators-yvelines) (41) - [Family-owned companies in the Yvelines department](https://www.tamtam.ai/l/family-owned-companies-yvelines) (36) - [Environmental services companies in the Yvelines department](https://www.tamtam.ai/l/environmental-services-companies-yvelines) (35) ## The same list elsewhere in France - [Manufacturers in France](https://www.tamtam.ai/l/manufacturers-france) (6,697) - [Manufacturers in Île-de-France](https://www.tamtam.ai/l/manufacturers-ile-de-france) (1,515) - [Manufacturers in Auvergne-Rhône-Alpes](https://www.tamtam.ai/l/manufacturers-auvergne-rhone-alpes) (1,216) - [Manufacturers in Grand Est](https://www.tamtam.ai/l/manufacturers-grand-est) (573) - [Manufacturers in Nouvelle-Aquitaine](https://www.tamtam.ai/l/manufacturers-nouvelle-aquitaine) (498) - [Manufacturers in Pays de la Loire](https://www.tamtam.ai/l/manufacturers-pays-de-la-loire) (484) - [Manufacturers in Occitanie](https://www.tamtam.ai/l/manufacturers-occitanie) (433) - [Manufacturers in Provence-Alpes-Côte d'Azur](https://www.tamtam.ai/l/manufacturers-provence-alpes-cote-dazur) (394) - [Manufacturers in Hauts-de-France](https://www.tamtam.ai/l/manufacturers-hauts-de-france) (369) - [Manufacturers in the Rhône department](https://www.tamtam.ai/l/manufacturers-rhone) (322) - [Manufacturers in Brittany](https://www.tamtam.ai/l/manufacturers-brittany) (307) - [Manufacturers in the Hauts-de-Seine department](https://www.tamtam.ai/l/manufacturers-hauts-de-seine) (285) - [Manufacturers in Bourgogne-Franche-Comté](https://www.tamtam.ai/l/manufacturers-bourgogne-franche-comte) (272) - [Manufacturers in Normandy](https://www.tamtam.ai/l/manufacturers-normandy) (245) - [Manufacturers in Centre-Val de Loire](https://www.tamtam.ai/l/manufacturers-centre-val-de-loire) (207) - [Manufacturers in the Nord department](https://www.tamtam.ai/l/manufacturers-nord) (204) - [Manufacturers in the Bouches-du-Rhône department](https://www.tamtam.ai/l/manufacturers-bouches-du-rhone) (187) - [Manufacturers in the Isère department](https://www.tamtam.ai/l/manufacturers-isere) (178) - [Manufacturers in the Haute-Garonne department](https://www.tamtam.ai/l/manufacturers-haute-garonne) (159) - [Manufacturers in the Gironde department](https://www.tamtam.ai/l/manufacturers-gironde) (137) - [Manufacturers in the Essonne department](https://www.tamtam.ai/l/manufacturers-essonne) (127) - [Manufacturers in the Loire-Atlantique department](https://www.tamtam.ai/l/manufacturers-loire-atlantique) (125) - [Manufacturers in the Loire department](https://www.tamtam.ai/l/manufacturers-loire) (122) - [Manufacturers in Paris](https://www.tamtam.ai/l/manufacturers-paris) (546) --- Source: https://www.tamtam.ai/l/manufacturers-yvelines