The largest companies in Élancourt are primarily involved in industrial machinery, IT services, and defense. Fenwick-Linde, with 1376 employees, specializes in material handling solutions, including forklifts and robotics. Airbus Defence and Space Cyber focuses on cybersecurity for defense and governmental clients, while GDI Simulation develops immersive military training simulators.
Several IT services firms like NowBrains and NowTeam cater to SMEs, offering digital transformation, infrastructure, and cybersecurity. A notable pattern is the concentration of companies providing specialized industrial and technological solutions, often with a focus on business-to-business services. URBAN LOGISTIQUE SAS handles logistics for KION Group brands, and airinspace provides contamination control solutions for hospitals.
| # | Company | Employees | |||
|---|---|---|---|---|---|
| 1 |
Fenwick-Lindebit.ly
Listening to clients, creating innovative, tailored material handling solutions, with a focus on forklifts, intralogistics, robotics, and energy efficiency. |
1,376 | |||
| 2 |
Airbus Defence and Space Cybercyber.airbus.com
Designing, developing, integrating, and deploying reliable cyber security solutions for defense, governmental, and institutional customers, leveraging 30 years of expertise. |
308 | |||
| 3 |
NowBrainsnowbrains.com
Specializing in digital transformation and IT expertise for small and medium-sized enterprises, offering services in IT infrastructure, cybersecurity, digital strategy, and more Helping businesses accelerate their potential |
105 | |||
| 4 |
GDI simulationgdi-simulation.fr
Development of immersive virtual and live outdoor simulators for military training, including weapon firing, tactical scenarios, and precision shooting exercises. |
66 | |||
| 5 |
Élancourtelancourt.fr
Located in Saint-Quentin-en-Yvelines, the company is known for innovation and a natural setting Host of Paris 2024 Olympic Games Active in sports |
58 | |||
| 6 |
URBAN LOGISTIQUE SASurban-group.com
Specializes in storage and transportation of forklifts and spare parts for KION Group brands across three French sites. |
55 | |||
| 7 |
NowTeamnowteam.net
National IT service partner for SMEs, offering solutions such as IT management, hosting, and system integration to free businesses from IT constraints |
54 | |||
| 8 |
1640 groupe1640groupe.com
Financial institution specializing in debt acquisition and management, particularly focusing on Non-Performing Debts held by individuals, professionals, banks, and financial institutions |
51 | |||
| 9 |
BauWatch Francebauwatch.com
BauWatch is a leading European provider of temporary video surveillance, offering customized security solutions for various industries with 24/7 monitoring and intervention, eco-friendly towers, and cost-effective services |
43 | |||
| 10 |
UniLabel ID Service, Labels supplierunilabel-id.com
Manufacturer and distributor of labels, tags, RFID products, and packaging with global printshops near garment and retail production sites. |
42 | |||
| 11 |
NCS SYSTEMS Francencs-systems.eu
Customized technology solutions and services tailored to Transport, Aerospace, Defense, Medical, Broadcast, and Industrial sector requirements. |
34 | |||
| 12 |
France Miniaturefranceminiature.fr
An amusement park near Paris, France Miniature features miniatures of 117 French landmarks in a five-hectare park, along with attractions and interactive experiences |
30 | |||
| 13 |
airinspaceairinspace.com
The company specializes in providing expertise, audits, and solutions for controlling contamination in hospitals and critical areas through mobile air decontamination units and automated surface disinfection processes |
29 | |||
| 14 |
FC CONSULTINGfc-consulting.fr
Specializes in IT recruitment, offering advice and support for company development and career paths with a focus on responsiveness and listening to all profiles. |
29 | |||
| 15 | 26 | ||||
| 16 |
BSL Consultingbi2b.eu
Specialized in Business Intelligence consulting, with expertise in project management and close partnerships with software publishers to create optimal, scalable solutions for clients |
23 | |||
| 17 |
DELEAGEdeleage.com
Professional in signage, decoration, and event design with over 30 years of experience Services include stand creation, event decoration, and signage projects |
22 | |||
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. | |||||
| 18 |
VINCI Facilities Copernic IDF Ouest
Ensuring optimal performance of human and material resources for clients, striving to be a key player in a sustainable future |
20 | |||
| 19 |
WIDEwearewide.fr
Specializing in audiovisual integration for events, trade shows, live performances, seminars, conventions, and installations, providing customized technical services for sound, lighting, and visuals |
17 | |||
| 20 |
ACTIDYN SYSTÈMES S.A.actidyn.com
A research company in France specializing in tailored advanced solutions for modeling and simulation needs, providing top-notch simulations as close to real-world testing |
12 | |||
| 21 |
FUTUR TRANSACTIONS FRANCEfuturtransactions.com
Network of real estate agencies, including one for VEFA sales, expanding through licensing in France and overseas territories, training candidates for housing transactions. |
12 | |||
| 22 |
MR INGENIERIEmr-ingenierie.com
Provides skilled engineers and technicians for engineering projects in automotive, rail, aeronautics, defense, naval, energy, and digital services sectors. |
12 | |||
| 23 |
Radio Sensationsradiosensations.fr
Radio SENSATIONS is a group of associative radio stations broadcasting in Normandy and Ile-de-France, with frequencies available on FM and digital platforms |
12 | |||
| 24 |
VINCI Facilities Copernic IDF Sudvinci-facilities.com
Deploys technical and service offerings for the Thales Copernic 2 contract, aiming to satisfy clients and site occupants. |
12 | |||
| 25 |
AXE INTERNATIONALaxe-international.com
Axe International specializes in innovative IP technologies for businesses, providing tailored solutions and support, leading to cost savings and improved services |
11 | |||
| 26 |
Instron Franceinstron.com
Manufacture and service of material testing instruments and systems for evaluating mechanical properties across various industries and research sectors. |
11 | |||
| 27 |
GROUPE GLORIEUXgroupe-glorieux.fr
The Glorieux Group consists of two entities: Glorieux Distribution Boissons handles beverage distribution and Arlequin handles hygiene/consumables distribution to Parisian Cafés-Hotels-Restaurants |
11 | |||
| 28 |
OEM DEFENCE SERVICESoemds.com
A joint venture providing maintenance solutions for National Armed Forces, improving fleet availability and offering cost-effective support services for military airborne equipment |
10 | |||
| 29 | 10 | ||||
| 30 |
kubeventkubevent.fr
With over 20 years of experience in events and entertainment, we provide full-service support for audiovisual projects from conception to execution |
10 | |||
| 31 |
ASCO-Ascenseursasco-ascenseurs.fr
ASCO-Ascenseurs is an independent company passionate about elevators, providing maintenance, modernization, and new installations in the Paris region |
10 | |||
| 32 |
ASR Systems
Specializing in subcontracting services for medical, imaging, luxury, aerospace, and automotive industries Providing machining, assembly, maintenance, and prototyping solutions with recognized expertise |
8 | |||
| 33 |
Les Mômerieslesmomeries.com
The company offers innovative training, practice analysis, tools, and personalized support to help professionals improve their daily practices in child development and learning |
8 | |||
| 34 |
Siteticsitetic.fr
Since 1987, this innovative labeling solutions company combines traditional craftsmanship with cutting-edge technology to provide personalized labeling solutions using various printing methods and materials |
6 | |||
| 35 |
MATERIALITY-Reportingmateriality-reporting.com
Support organizations in enhancing their corporate social responsibility commitment through strategy, performance management, and sustainability reporting since 2013. |
1 | |||
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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 12, 2026.
The same list elsewhere in France
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