These Hauts-de-Seine companies are mainly mid-sized to large firms specializing in electronics and semiconductors. Notable examples include SAGEMCOM, which provides broadband internet solutions, and APC by Schneider Electric, focusing on IT equipment. STMicroelectronics France designs and manufactures semiconductor components, while Vusion develops AI-powered digitalization solutions for physical commerce. Asteelflash offers electronic manufacturing services, and Linxens provides global electronic components.
The companies on this list largely operate in the telecommunications, semiconductor manufacturing, and electronics manufacturing sectors. A significant number of these firms are headquartered in the Nanterre, Rueil-Malmaison, and Bois-Colombes areas.
| # | Company | Employees | |||
|---|---|---|---|---|---|
| 1 |
SAGEMCOMsagemcom.com
Provides innovative broadband internet, entertainment, and managed energy solutions. Designs sustainable technology, leader in its markets, with employee ownership. |
5,279 | |||
| 2 |
APC by Schneider Electricapc.com
Provides reliable, efficient, connected, and innovative products for IT equipment, ensuring accessibility and security for dynamic IT in a connected world. |
4,378 | |||
| 3 |
Asteelflashasteelflash.com
Provides electronic manufacturing services and supply-chain management solutions from new product introduction to mass production across diverse global technology markets through seventeen locations. |
1,878 | |||
| 4 |
STMicroelectronics Francest.com
Design and manufacture semiconductor components, enabling smart mobility, efficient energy management, IoT deployment, and sustainable technology ecosystems. |
1,236 | |||
| 5 |
Vusionvusion.com
Develops AI-powered digitalization solutions for physical commerce, transforming stores into intelligent environments, improving operations, enabling e-commerce, and activating in-store retail media. |
1,113 | |||
| 6 |
Exxeliaexxelia.com
Designing and manufacturing high-reliability passive components and precision subsystems for demanding markets like aviation, defense, and medical, meeting complex specifications. |
856 | |||
| 7 |
Linxenslinxens.com
Global electronics components provider for connectivity, tracking, and authentication across various sectors like telecom, finance, and IoT. |
719 | |||
| 8 |
SES-imagotagses-imagotag.com
Provides smart digital labels and an IoT platform to retailers, connecting physical stores, automating processes, improving efficiency, and serving customers. |
560 | |||
| 9 |
LEAlea-networks.com
A global leader in broadband access and home networking solutions, offering xDSL splitters, network equipment, and HomePlugAV PLC adapters for easy home network setup |
545 | |||
| 10 |
ICAPE Groupicape-group.com
A global company in production of Printed Circuit Boards and Customized Technical Parts, with a strong online presence and ethical partnerships worldwide |
474 | |||
| 11 |
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 | |||
| 12 |
Sequans Communicationssequans.com
Design and development of wireless cellular semiconductor solutions including chips, modules, and platforms optimized for IoT connectivity and performance. |
219 | |||
| 13 |
EVERAXISeveraxis.com
A global multi-specialist in high-performance rotating solutions for demanding markets such as Defense, Space, Aerospace, Telecommunications, Energy, and Industrial sectors. |
172 | |||
| 14 |
NanoXplore SASnanoxplore.com
Designs and develops SoC FPGAs for aerospace, defense, and industrial markets, offering radiation-hardened components and design software. |
139 | |||
| 15 |
Canon France SAScanon.com
Specialized in professional image capture and diffusion products for professionals in the industry |
107 | |||
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 |
Huawei Enterprise Francee.huawei.com
A global ICT provider offering a wide range of equipment, solutions, and services to meet all business ICT needs Specializing in innovative technologies like 5G and AI |
103 | |||
| 17 |
GEORGINgeorgin.com
Specializes in industrial instrumentation and electrical signal processing, focusing on safety and quality for industrial process control. |
97 | |||
| 18 |
Garmin Francegarmin.com
Designs, manufactures, markets, and stores quality navigation products for automotive, aviation, marine, outdoor, and sport markets, vertically integrated company. |
79 | |||
| 19 |
CCI Eurolam Groupccieurolam.com
Distribution of PCBs, PCBAs, semiconductors, connectors, printed electronics, hybrid and interconnection technologies with technical support and logistics. |
78 | |||
| 20 |
Dahua Technology Francedahuasecurity.com
Provides smart IoT solutions and services, promoting digital intelligence upgrades for cities and businesses based on customer needs, creating value for various industries. |
74 | |||
| 21 |
VECTOR Francevector.com
Development of automotive electronics tools, software, and services supporting manufacturers in electromobility, safety, ADAS, autonomous driving, and AUTOSAR Adaptive. |
71 | |||
| 22 |
Dunasysdunasys.com
A rapidly growing engineering firm specializing in embedded networks and electronic systems for transport sectors like automotive, railway, aviation, military, and marine |
62 | |||
| 23 |
INTITEKintitek.fr
Designs and manufactures electronic boards, test benches, electromechanical and robotic systems, automatons, object trackers and intelligent IoT systems. |
55 | |||
| 24 |
Survisionsurvisiongroup.com
Global leader in Automatic Number Plate Recognition technology, providing integrated real-time LPR cameras for Smart-City, Law Enforcement, Parking Management, and more |
44 | |||
| 25 |
Ipanema Technologies - Now Part of Extreme Networksextremenetworks.com
Specializing in effortless networking experiences, leveraging machine learning, AI, analytics, and automation to accelerate digital transformation for 50,000+ global customers |
42 | |||
| 26 |
ACCEDIA CAPITALgroupe-accedia.com
The company is a major player in electronic security, intrusion, access control, video surveillance, fire detection, and automation for industrial and residential doors and gates |
35 | |||
| 27 |
Chauvin Arnoux Energychauvin-arnoux-energy.com
Specialized in energy intelligence, providing fixed measurement, control, and supervision equipment for electrical networks and energy systems for industrial and commercial environments |
22 | |||
| 28 |
Polytec France - Solutions de mesure optique pour la Recherche & l'Industriepolytec.com
Design and distribution of innovative optical measurement technologies including laser vibrometry, 3D scanning, spectroscopy, and machine vision for research and industry. |
17 | |||
| 29 |
CIS-AMREINcisamrein.fr
A leading French company specializing in instrumentation for large rotating machines, nuclear and thermal power plants, and seismic recorders for control rooms worldwide |
14 | |||
| 30 | 13 | ||||
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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 11, 2026.
More company lists in the Hauts-de-Seine department
- The largest companies in the Hauts-de-Seine department 5,160
- Multinational companies in the Hauts-de-Seine department 1,231
- IT services companies in the Hauts-de-Seine department 737
- IT Services and IT Consulting companies in the Hauts-de-Seine department 706
- Professional services firms in the Hauts-de-Seine department 629
- Consulting firms in the Hauts-de-Seine department 563
- Companies with in-house R&D in the Hauts-de-Seine department 510
- SaaS companies in the Hauts-de-Seine department 389
- Business Consulting and Services companies in the Hauts-de-Seine department 304
- Software Development companies in the Hauts-de-Seine department 301
- Retail chains in the Hauts-de-Seine department 292
- Manufacturers in the Hauts-de-Seine department 285
- Advertising Services companies in the Hauts-de-Seine department 281
- Marketing and communications agencies in the Hauts-de-Seine department 235
- Subscription businesses in the Hauts-de-Seine department 228
- Hardware manufacturers in the Hauts-de-Seine department 199
- Financial services firms in the Hauts-de-Seine department 198
- Companies with a mobile app in the Hauts-de-Seine department 189
- Critical infrastructure operators in the Hauts-de-Seine department 169
- AI companies in the Hauts-de-Seine department 159
- Education providers in the Hauts-de-Seine department 159
- Cybersecurity companies in the Hauts-de-Seine department 154
- Distributors and wholesalers in the Hauts-de-Seine department 154
- Recruitment and staffing agencies in the Hauts-de-Seine department 152
The same list elsewhere in France
- Electronics and semiconductor companies in France 846
- Electronics and semiconductor companies in 脦le-de-France 230
- Electronics and semiconductor companies in Auvergne-Rh么ne-Alpes 154
- Electronics and semiconductor companies in Occitanie 89
- Electronics and semiconductor companies in Provence-Alpes-C么te d'Azur 79
- Electronics and semiconductor companies in the Is猫re department 70
- Electronics and semiconductor companies in Grand Est 56
- Electronics and semiconductor companies in Nouvelle-Aquitaine 53
- Electronics and semiconductor companies in the Haute-Garonne department 49
- Electronics and semiconductor companies in the Bouches-du-Rh么ne department 45
- Electronics and semiconductor companies in the Essonne department 44
- Electronics and semiconductor companies in Brittany 38
- Electronics and semiconductor companies in Pays de la Loire 38
- Electronics and semiconductor companies in the Gironde department 32
- Electronics and semiconductor companies in Hauts-de-France 27
- Electronics and semiconductor companies in the Yvelines department 26
- Electronics and semiconductor companies in the Rh么ne department 25
- Electronics and semiconductor companies in Paris 54
- Electronics and semiconductor companies in Grenoble 28