# The 100 largest companies in the Val-d'Oise department

Tamtam tracks 849 companies headquartered in the Val-d'Oise department. This list ranks the 100 largest by number of employees on LinkedIn, led by Eviden, Chateauform and Chubb Fire & Security France. Their median headcount is 252. Half of them were founded in 1984 or later. The most common headquarters are Roissy-en-France (18), Cergy (11) and Argenteuil (8).

The largest companies in Val-d'Oise include a mix of established industrial players and service providers. Eviden, with over 10,000 employees, is a global leader in digital transformation. Other significant firms are Châteauform', specializing in business event venues, FBD Group, a European franchiser of fitted kitchens, and Servair, a major player in airline catering. Many of these companies operate internationally, indicating a strong export orientation from the department.

A notable pattern is the concentration of headquarters in specific towns. Roissy-en-France, for example, hosts several large companies like FBD Group, Servair, UUDS AERO, and SERIMAX, likely due to its proximity to major transport infrastructure. Bezons is home to IT service providers Eviden and Worldgrid, suggesting a cluster of digital expertise.

🇫🇷 Val-d'Oise · 100 companies · Updated Nov 11, 2026

| # | Company | Industry | Headquarters | Employees | Founded |
|---|---|---|---|---|---|
| 1 | [Eviden](https://www.tamtam.ai/c/eviden) (eviden.com)<br>Eviden is a global leader in digital transformation, offering expertise in digital, cloud, data, advanced computing, and security solutions to industries worldwide | IT Services and IT Consulting | 🇫🇷 Bezons | 10,793 |  |
| 2 | [Chateauform](https://www.tamtam.ai/c/chateauform) (chateauform.com)<br>Since 1996, Châteauform' specializes in hosting business events and seminars across Europe, offering more than 68 venues for a personalized experience | Events Services | 🇫🇷 Persan | 2,100 | 1996 |
| 3 | [Chubb Fire & Security France](https://www.tamtam.ai/c/chubb-fire-and-security-france) (chubbfs.com)<br>Fire and electronic security solutions provider. Installation, maintenance of detection, extinction, access control, video surveillance systems, and remote monitoring for businesses and individuals. | Security and Investigations | 🇫🇷 Cergy | 1,661 |  |
| 4 | [FBD Group](https://www.tamtam.ai/c/fbd-group) (fbd-group.com)<br>Leading European franchiser of fitted kitchens with multiple brands, 540 stores worldwide, rapid growth, and strong employee commitment. | Retail | 🇫🇷 Roissy-en-France | 1,574 | 1984 |
| 5 | [Servair](https://www.tamtam.ai/c/servair) (servair.fr)<br>A leading player in airline catering and cleaning services globally, improving passenger experience and ensuring compliance with transport protocols for 120 client companies worldwide | Airlines and Aviation | 🇫🇷 Roissy-en-France | 1,492 | 1971 |
| 6 | [JJA SA](https://www.tamtam.ai/c/jja-sa) (groupe-jja.com)<br>Family-owned brand manufacturer in home goods, offering a large product range across decoration, utilities, outdoor, and tableware with strong brands. | Manufacturing | 🇫🇷 Gonesse | 1,362 | 1976 |
| 7 | [VYGON](https://www.tamtam.ai/c/vygon) (vygon.com)<br>Designs, manufactures, and distributes single-use medical and surgical products, ensuring high quality and reliability through continuous research, technological implementation, and strict quality control. | Medical Equipment Manufacturing | 🇫🇷 Ecouen | 1,213 |  |
| 8 | [Hôpital Simone Veil - Groupement hospitalier Eaubonne-Montmorency](https://www.tamtam.ai/c/hopital-simone-veil-groupement-hospitalier-eaubonne-montmorency) (hopital-simoneveil.fr)<br>Public hospital offering diverse medical, surgical, pediatric, psychiatric, and elderly care services with advanced equipment and extensive patient support. | Government Administration | 🇫🇷 Eaubonne | 1,008 |  |
| 9 | [Worldgrid](https://www.tamtam.ai/c/worldgrid) (alten.com)<br>Specializing in smart energy solutions for utilities, we offer integration projects and real-time solutions across the power, water, oil & gas sectors | IT Services and IT Consulting | 🇫🇷 Bezons | 970 | 2009 |
| 10 | [INS](https://www.tamtam.ai/c/ins) (sarl-ins.fr)<br>It focuses on cleaning services while promoting social integration and providing employment opportunities for individuals in a supportive environment. | Janitorial Services | 🇫🇷 Argenteuil | 882 | 2013 |
| 11 | [UUDS AERO](https://www.tamtam.ai/c/uuds-aero) (uuds.com)<br>Cosmetics manufacturer, SPA management, and distributor of skincare, anti-aging, slimming, men's, and makeup lines under private labels. | Aviation and Aerospace Component Manufacturing | 🇫🇷 Roissy-en-France | 860 | 1981 |
| 12 | [Staci](https://www.tamtam.ai/c/staci) (staci.com)<br>Optimizing supply chains with tailored logistics solutions, advanced IT, and dedicated teams across various sectors, ensuring customer satisfaction and innovation globally. | Transportation, Logistics, Supply Chain and Storage | 🇫🇷 Saint-Ouen-l'Aumône | 775 | 1989 |
| 13 | [SERIMAX](https://www.tamtam.ai/c/serimax) (serimax.com)<br>Global leader in pipeline welding solutions, offering high quality automatic and manual welding services on land and sea, in tough conditions Specializes in innovative equipment | Industrial Machinery Manufacturing | 🇫🇷 Roissy-en-France | 748 | 1978 |
| 14 | [Centre Hospitalier de Gonesse](https://www.tamtam.ai/c/centre-hospitalier-de-gonesse) (ch-gonesse.fr)<br>A public healthcare facility in Gonesse, France, serving a population of 350,000 with modern amenities and a long history of providing quality care | Hospitals and Health Care | 🇫🇷 Gonesse | 716 |  |
| 15 | [Portalp](https://www.tamtam.ai/c/portalp) (portalp.com)<br>Designs, develops, and distributes automatic opening systems, from hydraulic operators to intelligent, high-tech automatic doors, with a global commercial network. | Automation Machinery Manufacturing | 🇫🇷 Domont | 713 | 1962 |
| 16 | [Service Départemental d'Incendie et de Secours du Val-d'Oise - SDIS 95](https://www.tamtam.ai/c/service-departemental-d-incendie-et-de-secours-du-val-d-oise-sdis-95) (pompiers95.fr)<br>The service department manages emergency services in Val-d’Oise, hiring firefighters and administrative staff to support public safety and rescue operations | Government Administration | 🇫🇷 Neuville-sur-Oise | 711 | 1972 |
| 17 | [CENTRE HOSPITALIER VICTOR DUPOUY](https://www.tamtam.ai/c/centre-hospitalier-victor-dupouy) (ch-argenteuil.fr)<br>A hospital providing comprehensive medical services and care to patients in need of healthcare assistance and treatments | Hospitals and Health Care | 🇫🇷 Argenteuil | 674 |  |
| 18 | [Inmac wstore](https://www.tamtam.ai/c/inmac-wstore) (inmac-wstore.com)<br>Leading French supplier of computers, servers, and software providing high-volume procurement, daily hardware integration, and rapid logistics to corporate and public sector clients. | IT Services and IT Consulting | 🇫🇷 Roissy-en-France | 659 | 1998 |
| 19 | [Balt](https://www.tamtam.ai/c/balt) (baltgroup.com)<br>Leading developer neurovascular solutions for ischemic and hemorrhagic stroke, and peripheral embolization, collaborating with physicians, expanding global medical device portfolio. | Medical Equipment Manufacturing | 🇫🇷 Montmorency | 612 | 1977 |
| 20 | [CERBA](https://www.tamtam.ai/c/cerba) (lab-cerba.com)<br>European leader in specialized clinical pathology, offering a wide range of tests to private and hospital labs in over 50 countries Partnering for innovation and research | Medical and Diagnostic Laboratories | 🇫🇷 Frépillon | 561 | 1967 |
| 21 | [MORY DUCROS](https://www.tamtam.ai/c/mory-ducros) (moryducros.com)<br>Leading independent French provider offering national and international messaging, road freight forwarding, logistics, and dedicated transport services through eighty-five local agencies. | Truck Transportation | 🇫🇷 Gonesse | 494 |  |
| 22 | [Clinique du Parc](https://www.tamtam.ai/c/clinique-du-parc) (cliniqueduparc.org)<br>Multispecialty care in addictions, cancer, psychiatry, motor rehabilitation, palliative care, and versatile follow-up care for 2500 patients annually. | Hospitals and Health Care | 🇫🇷 Saint-Ouen-l'Aumône | 446 |  |
| 23 | [Spie batignolles énergie](https://www.tamtam.ai/c/spie-batignolles-energie) (spiebatignolles.fr)<br>Comprehensive operator in electrical engineering, climate engineering, industrial fluids, railway infrastructure, and multi-technical maintenance for new and renovation projects. | Construction | 🇫🇷 Eaubonne | 437 | 2007 |
| 24 | [AGB](https://www.tamtam.ai/c/agb) (agb-gle.com)<br>Established in 1985, this independent and forward-thinking company focuses on using new technologies and adhering to HQE construction standards | Construction | 🇫🇷 Bezons | 430 | 1985 |
| 25 | [Daimler Buses France](https://www.tamtam.ai/c/daimler-buses-france) (evobus.fr)<br>A leading player in the French public transport vehicle market with over 15% market share, employing around 1,010 people across multiple locations | Motor Vehicle Manufacturing | 🇫🇷 Sarcelles | 396 | 1996 |
| 26 | [Mondoffice France](https://www.tamtam.ai/c/mondoffice-france) (mondoffice.fr)<br>A leading distributor of office supplies and furniture with over 40,000 products, personalized services, and a commitment to sustainability | Retail Office Equipment | 🇫🇷 Survilliers | 394 | 1976 |
| 27 | [pinson paysage](https://www.tamtam.ai/c/pinson-paysage) (pinson-paysage.com)<br>Specializes in designing, creating, and maintaining landscape projects across multiple regions in France with extensive experience. | Environmental Services | 🇫🇷 Andilly | 379 | 1893 |
| 28 | [QUALITAIR&SEA](https://www.tamtam.ai/c/qualitair-and-sea) (qualitairsea.com)<br>Manages air, sea, and customs forwarding for DIMOTRANS Group in France, offering complete supply chain services and global distribution solutions. Provides multimodal transport, customs procedures, and logistics. | Transportation, Logistics, Supply Chain and Storage | 🇫🇷 Roissy-en-France | 376 | 1986 |
| 29 | [Hmarket Supermarchés](https://www.tamtam.ai/c/hmarket-supermarches-gonesse) (hmarket.fr)<br>Operating a supermarket chain in Ile-de-France providing high quality products at fair prices through a responsible consumption model and social engagement. | Retail Groceries | 🇫🇷 Gonesse | 372 | 2006 |
| 30 | [CY Tech](https://www.tamtam.ai/c/cy-tech) (cytech.cyu.fr)<br>CY Tech is a leading institution in Sciences, Engineering, Economics, and Management with multiple campuses, formed from the merger of EISTI and UCP | Higher Education | 🇫🇷 Cergy | 368 | 2020 |
| 31 | [Communauté d'agglomération de Cergy Pontoise](https://www.tamtam.ai/c/communaute-d-agglomeration-de-cergy-pontoise) (cergypontoise.fr)<br>Intercommunal structure managing thirteen communes and 200,000 residents across 8,000 hectares in western Île-de-France region. | Government Administration | 🇫🇷 Cergy | 363 | 1969 |
| 32 | [Pizza Time®](https://www.tamtam.ai/c/pizza-time) (pizzatime.fr)<br>Pizza Time® is a French chain with over 50 locations and 500 employees, focused on offering delicious pizza with new flavors and ingredients daily | Restaurants | 🇫🇷 Roissy-en-France | 361 | 1999 |
| 33 | [OMS SYNERGIE](https://www.tamtam.ai/c/oms-synergie) (oms-synergie.com)<br>Established in 1978, the company provides cleaning services in France with a strong focus on innovation, digitalization, sustainability, and employee training They aim to optimize resources for future generations | Janitorial Services | 🇫🇷 Saint-Ouen-l'Aumône | 358 | 1978 |
| 34 | [SARCELLES](https://www.tamtam.ai/c/sarcelles) (sarcelles.fr)<br>Local government providing administrative services, community events, educational programs, cultural activities, urban development projects, and public information for residents. | Higher Education | 🇫🇷 Sarcelles | 346 |  |
| 35 | [CPAM du Val-d'Oise](https://www.tamtam.ai/c/cpam-du-val-d-oise) (ameli.fr)<br>The company, part of the national health security system, supports over 11 million individuals in accessing healthcare services and managing health expenses | Government Administration | 🇫🇷 Cergy | 338 |  |
| 36 | [BERNARD CONTROLS](https://www.tamtam.ai/c/bernard-controls) (bernardcontrols.com)<br>World leader in electric actuation, specialized in Nuclear, Power Generation, Water, Industries, Oil & Gas markets, with a strong international network. | Industrial Machinery Manufacturing | 🇫🇷 Gonesse | 336 | 1936 |
| 37 | [Body MInute](https://www.tamtam.ai/c/body-minute) (bodyminute.com)<br>Beauty salon offering hair removal, facial care, hand and foot beauty, relaxing massages, and pulsed light technology treatments. | Personal Care Product Manufacturing | 🇫🇷 Goussainville | 335 | 2021 |
| 38 | [Logfret - Your international logistics and supply chain partner](https://www.tamtam.ai/c/logfret-your-international-logistics-and-supply-chain-partner) (logfret.com)<br>A leading global logistics provider offering 3PL and 4PL solutions with innovative digital freight forwarding services for seamless supply chain management | Transportation, Logistics, Supply Chain and Storage | 🇫🇷 Goussainville | 335 | 1970 |
| 39 | [Synerlink (BW Filling & Closing)](https://www.tamtam.ai/c/synerlink-bw-filling-and-closing) (bwfillingclosing.com)<br>A trusted supplier of in-line filling technology for dairy products and other food, offering flexible packaging solutions with focus on food safety and performance | Machinery Manufacturing | 🇫🇷 Puiseux-Pontoise | 324 | 1978 |
| 40 | [CENPAC](https://www.tamtam.ai/c/cenpac) (cenpac.fr)<br>Specializing in packaging solutions, this company provides innovative and efficient products, advice, installation, maintenance, and training services to customers nationwide | Business Supplies & Equipment | 🇫🇷 Roissy-en-France | 302 | 1930 |
| 41 | [JRI](https://www.tamtam.ai/c/jri) (jri-mms.com)<br>Develops temperature monitoring solutions for thermo-sensitive products in healthcare, food, and industry, utilizing IoT technology and offering metrology services. | Measuring and Control Instrument Manufacturing | 🇫🇷 Bezons | 298 | 1845 |
| 42 | [Les Déterminés](https://www.tamtam.ai/c/les-determines) (lesdetermines.fr)<br>Support and train entrepreneurs from priority urban and rural areas through training, networking, and fostering a proactive entrepreneurial mindset. | Technical and Vocational Training | 🇫🇷 Cergy | 296 | 2015 |
| 43 | [Ville d'Argenteuil](https://www.tamtam.ai/c/ville-d-argenteuil) (argenteuil.fr)<br>City near Paris with rich history, natural parks, gardens, and recreational areas promoting cultural heritage and quality living environment. | Government Administration | 🇫🇷 Argenteuil | 287 |  |
| 44 | [EHPAD Maison du Parc](https://www.tamtam.ai/c/ehpad-maison-du-parc) (maisonderetraite95.com)<br>Medicalized retirement home in Val d'Oise, offering care for elderly individuals, including those with Alzheimer's disease Emphasis on dignity and personalized human-centered approach | Hospitals and Health Care | 🇫🇷 Saint-Ouen-l'Aumône | 284 | 1992 |
| 45 | [AUTOBACS FRANCE](https://www.tamtam.ai/c/autobacs-france) (autobacs.fr)<br>Retail automotive products and accessories, vehicle repair and maintenance services, comprehensive auto care solutions for customers. | Vehicle Repair and Maintenance | 🇫🇷 Pierrelaye | 272 | 2001 |
| 46 | [Propreté](https://www.tamtam.ai/c/proprete) (physio-services.fr)<br>Family-owned company providing cleaning and associated services since 1998 Committed to sustainability, environmental protection, and social responsibility with over 100 employees and 2M € in revenue | Facilities Services | 🇫🇷 Argenteuil | 266 |  |
| 47 | [Telma](https://www.tamtam.ai/c/telma) (telma.com)<br>Design and manufacture of electromagnetic induction braking systems enhancing vehicle safety, reducing maintenance, and improving road transport efficiency worldwide. | Motor Vehicle Manufacturing | 🇫🇷 Saint-Ouen-l'Aumône | 266 | 1946 |
| 48 | [Ivoire](https://www.tamtam.ai/c/ivoire) (unicef.fr)<br>French leader in ethical commerce and fundraising through unique services like e-commerce, B2C, B2B sales, and events for over 50 years Supporting over 600 associations annually | Online and Mail Order Retail | 🇫🇷 Domont | 255 | 1966 |
| 49 | [Volkswagen Financial Services \| France](https://www.tamtam.ai/c/volkswagen-financial-services-france) (vwfs.fr)<br>Provides financing, insurance, and automotive services for Volkswagen Group brands—Volkswagen, Audi, SEAT, ŠKODA, Volkswagen Commercial Vehicles, and Ducati—for private and business clients. | Financial Services | 🇫🇷 Roissy-en-France | 254 |  |
| 50 | [Yamaha Motor Europe N.V. - Succursale France](https://www.tamtam.ai/c/yamaha-motor-europe-n-v-succursale-france) (yamaha-motor.eu)<br>Manufacturing motorcycles and engines with passion and expertise, operating globally with numerous production units and a large workforce. | Motor Vehicle Manufacturing | 🇫🇷 Argenteuil | 252 | 1955 |
| 51 | [POMMIER](https://www.tamtam.ai/c/pommier) (pommier.eu)<br>A leading specialist in industrial vehicle bodywork equipment, offering a wide range of products designed and manufactured in-house since 1945 | Motor Vehicle Parts Manufacturing | 🇫🇷 Beauchamp | 250 | 1945 |
| 52 | [NOVÉAL-L'Oréal Groupe](https://www.tamtam.ai/c/noveal-l-oreal-groupe) (noveal.com)<br>Develops and guarantees exclusive, high-performance ingredients for global beauty consumers, utilizing sustainable chemistry, biotechnologies, and innovative green technologies for responsible and sustainable beauty. | Personal Care Product Manufacturing | 🇫🇷 Le Thillay | 250 | 1938 |
| 53 | [Mairie de Garges](https://www.tamtam.ai/c/mairie-de-garges) (villedegarges.fr)<br>Local government managing community projects, social inclusion, economic development, employee well-being, and public services for diverse urban population. | Government Administration | 🇫🇷 Garges-lès-Gonesse | 249 |  |
| 54 | [Ecole nationale supérieure de l'Electronique et de ses Applications](https://www.tamtam.ai/c/ecole-nationale-superieure-de-l-electronique-et-de-ses-applications) (ensea.fr)<br>This company offers high-quality engineering education with a focus on expertise, inclusivity, and sustainability, fostering innovation and responsible professionals in a supportive environment | Higher Education | 🇫🇷 Cergy | 249 | 1952 |
| 55 | [Val d'Oise Habitat](https://www.tamtam.ai/c/val-d-oise-habitat) (valdoisehabitat.fr)<br>Val d'Oise Habitat manages over 20,000 social housing units, serving as the leading public housing agency in the Val d'Oise department | Real Estate | 🇫🇷 Cergy | 248 | 1969 |
| 56 | [Laroche Group](https://www.tamtam.ai/c/laroche-group) (laroche-group.com)<br>Offers complex machining, production engineering, and aerostructures assembly, supporting European industry leaders in major projects across aeronautics, space, automotive, telecoms, and rail. | Aviation and Aerospace Component Manufacturing | 🇫🇷 Andilly | 240 | 1999 |
| 57 | [Adelya](https://www.tamtam.ai/c/adelya) (adelya.net)<br>ADELYA specializes in distributing cleaning, disinfection, and hygiene products for professional environments, focusing on customer-centric strategies, nationwide presence, expert technical support, and certified training programs | Wholesale | 🇫🇷 Bezons | 237 | 1988 |
| 58 | [Sto France](https://www.tamtam.ai/c/sto-france) (sto.fr)<br>Development of innovative products and systems for facade renovation and cladding, focusing on responsible building and aesthetic preservation. | Construction | 🇫🇷 Bezons | 236 |  |
| 59 | [ANCV](https://www.tamtam.ai/c/ancv) (ancv.com)<br>A public establishment managing holiday vouchers to help 33 million employees go on vacation Profits fund holiday programs for disadvantaged populations | Government Administration | 🇫🇷 Sarcelles | 230 |  |
| 60 | [Clinique Claude Bernard](https://www.tamtam.ai/c/clinique-claude-bernard) (clinique-claude-bernard.ramsaygds.fr)<br>Offers comprehensive and cross-cutting care to the local population, part of the Ramsay Générale de Santé group. | Hospitals and Health Care | 🇫🇷 Ermont | 229 | 1991 |
| 61 | [PXP™ - PROJECT X PARIS™](https://www.tamtam.ai/c/pxp-project-x-paris) (projectxparis.com)<br>premium streetwear brand offering durable, high-quality fashion for all genders, collaborating with artists, and expanding omnichannel retail presence. | Textile Manufacturing | 🇫🇷 Roissy-en-France | 227 | 2015 |
| 62 | [GROUPE LOUANGE](https://www.tamtam.ai/c/groupe-louange) (groupelouange.com)<br>Specializes in turnkey construction site logistics and management, supporting building projects from design through completion with sustainable, human-centered solutions. | Facilities Services | 🇫🇷 Argenteuil | 224 | 2011 |
| 63 | [Mairie de Goussainville](https://www.tamtam.ai/c/mairie-de-goussainville) (ville-goussainville.fr)<br>Local government organization providing services and support to residents of Goussainville, France Managing public affairs and promoting community development | Government Administration | 🇫🇷 Goussainville | 218 |  |
| 64 | [ETF Services](https://www.tamtam.ai/c/etf-services) (feroway.com)<br>Designing railway safety systems, managing work preparation, material delivery, and site security, ensuring worker safety through training and a robust safety management system. | Rail Transportation | 🇫🇷 Cergy | 217 | 2020 |
| 65 | [A.A.C. Globe Express](https://www.tamtam.ai/c/a-a-c-globe-express) (aac-globe-express.com)<br>Specializes in agile urban logistics, providing efficient solutions for urban delivery and transportation needs | Truck Transportation | 🇫🇷 Roissy-en-France | 210 | 1987 |
| 66 | [GIGAFIT](https://www.tamtam.ai/c/gigafit) (gigafit.fr)<br>Leading French fitness franchise with over 100 premium clubs offering high-end design, advanced equipment, and exclusive wellness services. | Spectator Sports | 🇫🇷 Enghien-les-Bains | 209 | 2014 |
| 67 | [Les déménageurs bretons](https://www.tamtam.ai/c/les-demenageurs-bretons) (demenageurs-bretons.fr)<br>It is a leading French moving network offering national and international relocation services, business transfers, and sustainable moving solutions since 1968. | Individual and Family Services | 🇫🇷 Beauchamp | 203 |  |
| 68 | [Simaero](https://www.tamtam.ai/c/simaero) (sim.aero)<br>Global provider of pilot training on full-flight simulators and simulation engineering solutions for international airlines and pilots. | Airlines and Aviation | 🇫🇷 Roissy-en-France | 199 | 2002 |
| 69 | [Copiadora](https://www.tamtam.ai/c/copiadora) (copiadora.fr)<br>Specializing in selling, leasing, and maintaining printers and photocopiers for professionals, offering comprehensive solutions in partnership with Konica Minolta 🖨🇫🇷✨ | Retail Office Equipment | 🇫🇷 Groslay | 193 | 2016 |
| 70 | [Mobilitas](https://www.tamtam.ai/c/mobilitas) (mobilitas.org)<br>A family business with almost 50 years of experience specializing in removals, relocations, records management, heritage preservation, and imaging services | International Trade and Development | 🇫🇷 Beauchamp | 193 |  |
| 71 | [Edifixio](https://www.tamtam.ai/c/edifixio) (edifixio.com)<br>Provides IT services to large international companies, specializing in Industry, Retail, Insurance, and Services sectors, with a global presence. | IT Services and IT Consulting | 🇫🇷 Bezons | 192 | 2000 |
| 72 | [Placoplatre](https://www.tamtam.ai/c/placoplatre) (placoplatre.fr)<br>Provides plaster-based products for sound insulation, thermal insulation, and interior design to improve building comfort and efficiency. | Mining | 🇫🇷 Baillet-en-France | 191 |  |
| 73 | [BROTHER FRANCE](https://www.tamtam.ai/c/brother-france) (brother.fr)<br>This company in France provides innovative products, eco-friendly consumables, and valuable services to support clients, emphasizing trust, autonomy, and talent diversity | Computer Hardware Manufacturing | 🇫🇷 Roissy-en-France | 191 | 1962 |
| 74 | [Hôpital Privé Nord Parisien - HPNP](https://www.tamtam.ai/c/hopital-prive-nord-parisien-hpnp) (hpnp.fr)<br>A multidisciplinary private hospital in Sarcelles, France, offering comprehensive inpatient and outpatient care with over 300 beds and top-tier medical staff | Hospitals and Health Care | 🇫🇷 Sarcelles | 189 | 1961 |
| 75 | [Total](https://www.tamtam.ai/c/total) (totalenergies.com)<br>Promoting environmentally-friendly practices and sustainability | Computer and Network Security | 🇫🇷 Parmain | 184 |  |
| 76 | [GROUPE TEXTILE FINANCE](https://www.tamtam.ai/c/groupe-textile-finance) (mistigriff.fr)<br>Textiles company specializing in manufacturing and distributing textile products, operating from Sarcelles, Ile de France, France. | Textile Manufacturing | 🇫🇷 Sarcelles | 184 | 1989 |
| 77 | [RIBER](https://www.tamtam.ai/c/riber) (riber.com)<br>Supplier of molecular beam epitaxy equipment and evaporation sources for semiconductor research, industrial applications, and innovative device manufacturing worldwide. | Semiconductor Manufacturing | 🇫🇷 Bezons | 183 | 1964 |
| 78 | [STN](https://www.tamtam.ai/c/stn) (groupe-stn.com)<br>Specializing in cleaning services for the hospitality and commercial sectors for 30 years, our teams provide tailored solutions to meet your needs Contact us now | Environmental Services | 🇫🇷 Roissy-en-France | 182 | 1992 |
| 79 | [Sauvegarde du Val d'Oise](https://www.tamtam.ai/c/sauvegarde-du-val-d-oise) (sauvegarde-95.fr)<br>Established in 1967, this organization in Val d'Oise provides protection and support for children and families, mediation, prevention, training, integration, and fighting against exclusion | Civic and Social Organizations | 🇫🇷 Cergy | 177 | 1967 |
| 80 | [AJANS](https://www.tamtam.ai/c/ajans) (chk.me)<br>Specializing in creating and developing websites, as well as personalized stationery, this company partners with creative professionals to bring your projects to life | IT Services and IT Consulting | 🇫🇷 Montigny-lès-Cormeilles | 175 | 2009 |
| 81 | [Block'Out](https://www.tamtam.ai/c/block-out) (blockout.fr)<br>Indoor climbing gyms offering modern facilities and a unique atmosphere, expanding across France with a distinctive carnivorous plant theme. | Spectator Sports | 🇫🇷 Osny | 174 | 2008 |
| 82 | [C2C](https://www.tamtam.ai/c/c2c) (c2c-reseaux.fr)<br>C2C is a specialized integrator in IP Network Communication Systems, covering areas such as cabling infrastructure, wireless, video surveillance, and access control solutions | Computer Networking Products | 🇫🇷 Roissy-en-France | 174 | 1996 |
| 83 | [Aéroport de Paris Charles de Gaulle - CDG - Terminal 2F](https://www.tamtam.ai/c/aeroport-de-paris-charles-de-gaulle-cdg-terminal-2f)<br>Hospitality services provider operating within Charles de Gaulle Airport Terminal 2F, offering customer service and passenger support. | Hospitality | 🇫🇷 Roissy-en-France | 173 |  |
| 84 | [CAME France](https://www.tamtam.ai/c/came-france) (came.com)<br>Development and supply of integrated automation systems for residential, public, and urban environments including access control, security, and parking management. | Appliances, Electrical, and Electronics Manufacturing | 🇫🇷 Cormeilles-en-Parisis | 173 |  |
| 85 | [Groupe Cercle Vert](https://www.tamtam.ai/c/groupe-cercle-vert) (groupe-cerclevert.fr)<br>Independent French family company distributing food and non-food products specifically for catering professionals and related businesses. | Wholesale | 🇫🇷 Beaumont-sur-Oise | 171 | 1985 |
| 86 | [GARAC - Ecole Nationale des Professions de l'Automobile](https://www.tamtam.ai/c/garac-ecole-nationale-des-professions-de-l-automobile) (garac.com)<br>Training young professionals in automotive, motorcycle, and industrial vehicle trades including mechanics, bodywork, sales, and management from CAP to engineering degrees. | Education Administration Programs | 🇫🇷 Argenteuil | 171 | 1948 |
| 87 | [CURVER](https://www.tamtam.ai/c/curver) (curver.com)<br>European market leader in plastic household products, focusing on design and innovation to create user-friendly and fun solutions for home and leisure | Manufacturing | 🇫🇷 Roissy-en-France | 165 | 1949 |
| 88 | [LTM Transport](https://www.tamtam.ai/c/ltm-transport) (ltmtransport.com)<br>Specialized logistics company providing furniture transport, delivery, and installation services tailored for home furnishing professionals ensuring customer satisfaction. | Truck Transportation | 🇫🇷 Sarcelles | 163 | 2002 |
| 89 | [ESIEE-IT](https://www.tamtam.ai/c/esiee-it) (esiee-it.fr)<br>Specialized education offering customized training programs in management, IT, HR, and quality management from post-Bac to professional levels. | Higher Education | 🇫🇷 Pontoise | 161 | 2013 |
| 90 | [ESPERER 95](https://www.tamtam.ai/c/esperer-95) (esperer-95.org)<br>Advocacy for social inclusion, providing shelter, support, and assistance to vulnerable individuals facing economic, social, or health challenges. | Civic and Social Organizations | 🇫🇷 Pontoise | 159 | 1979 |
| 91 | [Yon-Ka Paris](https://www.tamtam.ai/c/yon-ka-paris) (yonka.fr)<br>Development and provision of natural, effective phyto-aromatic skincare treatments and products promoting holistic beauty and emotional harmony. | Personal Care Product Manufacturing | 🇫🇷 Argenteuil | 156 | 1954 |
| 92 | [Fayolle](https://www.tamtam.ai/c/fayolle) (fayolle.eu)<br>A construction and public works company serving local communities based in Soisy Sous Montmorency, France, specializing in various projects | Construction | 🇫🇷 Soisy Sous Montmorency | 156 | 1929 |
| 93 | [Mairie de Cormeilles-en-Parisis](https://www.tamtam.ai/c/mairie-de-cormeilles-en-parisis) (ville-cormeilles95.fr)<br>Provides information on municipal job and internship opportunities, enabling online applications for positions within the local government administration. | Government Administration | 🇫🇷 Cormeilles-en-Parisis | 155 |  |
| 94 | [Fédération Française de Hockey-sur-Glace (FFHG)](https://www.tamtam.ai/c/federation-francaise-de-hockey-sur-glace-ffhg) (hockeyfrance.com)<br>Governing body for French ice hockey, organizing elite leagues, national cups, and supporting men's and women's national teams. | Spectator Sports | 🇫🇷 Cergy | 154 | 2006 |
| 95 | [SIA Service](https://www.tamtam.ai/c/sia-service) (sia-service.fr)<br>Specializes in natural and mechanical smoke extraction, fire extinguishers, fire doors, fire hose reels, safety lighting, and maintenance services. | Fire Protection | 🇫🇷 Taverny | 153 | 1980 |
| 96 | [PREVOR](https://www.tamtam.ai/c/prevor) (prevor.com)<br>Maximizing safety for individuals exposed to chemical burns and risks through research, solutions, and training in prevention and first aid equipment development. | Chemical Manufacturing | 🇫🇷 Valmondois | 151 | 1959 |
| 97 | [ESSEC Club of Economics (ECE)](https://www.tamtam.ai/c/essec-club-of-economics-ece)<br>A student-led club at ESSEC Business School preparing macro-economic reports focusing on French market trends in economics and financial markets | Financial Services | 🇫🇷 Cergy | 148 | 2020 |
| 98 | [Technivap](https://www.tamtam.ai/c/technivap) (technivap.com)<br>Specialist in hygiene and air safety solutions, offering audits, ventilation cleaning, disinfection, kitchen hood degreasing, fire extinguishing systems, and odor neutralization services | Environmental Services | 🇫🇷 Frépillon | 148 | 1982 |
| 99 | [URMET FRANCE](https://www.tamtam.ai/c/urmet-france) (urmet.fr)<br>Provides reliable intercom, access control, video surveillance, and home automation solutions with technical support, training, and extensive distribution network. | Appliances, Electrical, and Electronics Manufacturing | 🇫🇷 Roissy-en-France | 143 | 1984 |
| 100 | [Ville de Sarcelles](https://www.tamtam.ai/c/ville-de-sarcelles) (sarcelles.fr)<br>A city in Val d'Oise, France, undergoing transformation with ambitious urban development, educational excellence, and community cohesion projects | Government Administration | 🇫🇷 Sarcelles | 142 |  |

## 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 Val-d'Oise department

- [Multinational companies in the Val-d'Oise department](https://www.tamtam.ai/l/multinational-companies-val-doise) (128)
- [Companies with in-house R&D in the Val-d'Oise department](https://www.tamtam.ai/l/r-and-d-companies-val-doise) (88)
- [Manufacturers in the Val-d'Oise department](https://www.tamtam.ai/l/manufacturers-val-doise) (85)
- [Hardware manufacturers in the Val-d'Oise department](https://www.tamtam.ai/l/hardware-companies-val-doise) (70)
- [Distributors and wholesalers in the Val-d'Oise department](https://www.tamtam.ai/l/distributors-and-wholesalers-val-doise) (67)
- [Retail chains in the Val-d'Oise department](https://www.tamtam.ai/l/retail-chains-val-doise) (56)
- [Professional services firms in the Val-d'Oise department](https://www.tamtam.ai/l/professional-services-firms-val-doise) (44)
- [Family-owned companies in the Val-d'Oise department](https://www.tamtam.ai/l/family-owned-companies-val-doise) (42)
- [IT services companies in the Val-d'Oise department](https://www.tamtam.ai/l/it-services-companies-val-doise) (42)
- [IT Services and IT Consulting companies in the Val-d'Oise department](https://www.tamtam.ai/l/it-services-and-it-consulting-companies-val-doise) (38)
- [Transportation, Logistics, Supply Chain and Storage companies in the Val-d'Oise department](https://www.tamtam.ai/l/transportation-logistics-supply-chain-and-storage-companies-val-doise) (33)
- [Aerospace and defence companies in the Val-d'Oise department](https://www.tamtam.ai/l/aerospace-and-defense-companies-val-doise) (31)
- [Public sector organisations in the Val-d'Oise department](https://www.tamtam.ai/l/public-sector-organisations-val-doise) (30)
- [Construction companies in the Val-d'Oise department](https://www.tamtam.ai/l/construction-companies-val-doise) (29)
- [Wholesale companies in the Val-d'Oise department](https://www.tamtam.ai/l/wholesale-companies-val-doise) (29)
- [Healthcare providers in the Val-d'Oise department](https://www.tamtam.ai/l/healthcare-providers-val-doise) (27)
- [Industrial Machinery Manufacturing companies in the Val-d'Oise department](https://www.tamtam.ai/l/industrial-machinery-manufacturing-companies-val-doise) (27)
- [Government Administration companies in the Val-d'Oise department](https://www.tamtam.ai/l/government-administration-companies-val-doise) (26)
- [Logistics companies in the Val-d'Oise department](https://www.tamtam.ai/l/logistics-companies-val-doise) (25)

## The same list elsewhere in France

- [The largest companies in France](https://www.tamtam.ai/l/largest-companies-france) (90,813)
- [The largest companies in Île-de-France](https://www.tamtam.ai/l/largest-companies-ile-de-france) (36,143)
- [The largest companies in Auvergne-Rhône-Alpes](https://www.tamtam.ai/l/largest-companies-auvergne-rhone-alpes) (11,033)
- [The largest companies in Provence-Alpes-Côte d'Azur](https://www.tamtam.ai/l/largest-companies-provence-alpes-cote-dazur) (6,699)
- [The largest companies in Occitanie](https://www.tamtam.ai/l/largest-companies-occitanie) (5,769)
- [The largest companies in Grand Est](https://www.tamtam.ai/l/largest-companies-grand-est) (5,700)
- [The largest companies in Nouvelle-Aquitaine](https://www.tamtam.ai/l/largest-companies-nouvelle-aquitaine) (5,460)
- [The largest companies in the Hauts-de-Seine department](https://www.tamtam.ai/l/largest-companies-hauts-de-seine) (5,160)
- [The largest companies in the Rhône department](https://www.tamtam.ai/l/largest-companies-rhone) (4,813)
- [The largest companies in Hauts-de-France](https://www.tamtam.ai/l/largest-companies-hauts-de-france) (4,505)
- [The largest companies in Pays de la Loire](https://www.tamtam.ai/l/largest-companies-pays-de-la-loire) (4,269)
- [The largest companies in the Bouches-du-Rhône department](https://www.tamtam.ai/l/largest-companies-bouches-du-rhone) (3,318)
- [The largest companies in Brittany](https://www.tamtam.ai/l/largest-companies-brittany) (3,058)
- [The largest companies in the Nord department](https://www.tamtam.ai/l/largest-companies-nord) (2,806)
- [The largest companies in the Gironde department](https://www.tamtam.ai/l/largest-companies-gironde) (2,435)
- [The largest companies in the Haute-Garonne department](https://www.tamtam.ai/l/largest-companies-haute-garonne) (2,406)
- [The largest companies in Normandy](https://www.tamtam.ai/l/largest-companies-normandy) (2,380)
- [The largest companies in the Loire-Atlantique department](https://www.tamtam.ai/l/largest-companies-loire-atlantique) (2,046)
- [The largest companies in Bourgogne-Franche-Comté](https://www.tamtam.ai/l/largest-companies-bourgogne-franche-comte) (1,867)
- [The largest companies in Centre-Val de Loire](https://www.tamtam.ai/l/largest-companies-centre-val-de-loire) (1,701)
- [The largest companies in the Alpes-Maritimes department](https://www.tamtam.ai/l/largest-companies-alpes-maritimes) (1,538)
- [The largest companies in Paris](https://www.tamtam.ai/l/largest-companies-paris) (22,790)
- [The largest companies in Lyon](https://www.tamtam.ai/l/largest-companies-lyon) (2,679)
- [The largest companies in Toulouse](https://www.tamtam.ai/l/largest-companies-toulouse) (1,565)

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Source: https://www.tamtam.ai/l/largest-companies-val-doise