These electronics and semiconductor companies in Flanders represent a mix of established firms and younger ventures, focusing on various aspects of electronic and micro-electronic technology. Noteworthy companies include imec, a research services innovator in nano- and digital technology; MELEXIS, which designs semiconductor solutions for automotive and other applications; Premium Sound Solutions, a leader in automotive and consumer sound products; and Connect Group N.V., a global service provider for cable, PCB, and module assembly.
The companies show a concentration of activity in the Leuven area, with several firms headquartered there, including imec, Septentrio part of Hexagon, Simera Sense, and Xenics. The listed companies span industries from motor vehicle manufacturing and aerospace components to medical equipment and defense, indicating a diverse technological landscape within the region.
| # | Company | Employees | |||
|---|---|---|---|---|---|
| 1 |
imecimec-int.com
Innovates nano- and digital technology with global partners to create advanced solutions in healthcare, clean energy, and Industry 40 Shapes future |
4,867 | |||
| 2 |
Yazaki Europe Middle East and Africayazaki-europe.com
A global company specializing in wiring harnesses for automobiles and environmental systems, prioritizing quality, sustainability, and customer satisfaction |
1,701 | |||
| 3 |
MELEXISmelexis.com
Designs and delivers innovative micro-electronic semiconductor solutions enabling applications in automotive, alternative mobility, smart appliances, robotics, and digital health. |
1,643 | |||
| 4 |
Premium Sound Solutionspremiumsoundsolutions.com
Innovative leader in automotive and consumer sound products, focused on high customer satisfaction, quality, and quick adaptation to market needs |
774 | |||
| 5 |
Connect Group N.V.connectgroup.com
A global service provider specializing in cable, PCB, and module assembly, offering design, production, logistics, and after-sales support for electronics |
720 | |||
| 6 |
Avnet Abacusavnet.com
Creative technology guidance and supply chain solutions for start-ups, manufacturers, and OEMs worldwide Empowering innovation and driving technological change |
471 | |||
| 7 |
Redwire Europerdw.com
Integrated aerospace and defense company building infrastructure, autonomous systems, and multi-domain operations through digital engineering, AI automation, and innovative space and airborne platforms. |
245 | |||
| 8 |
Septentrio part of Hexagonseptentrio.com
Designing, manufacturing high-precision OEM GNSS receivers and surveying/GIS equipment for consistent, accurate, reliable GPS/GNSS positioning globally across industries. |
186 | |||
| 9 |
Fremachfremach.com
European supplier of complex plastic, metal, and mechanical products with electronics for various markets Specializes in injection molding and project management, with global presence |
167 | |||
| 10 |
Intersoft Electronicsintersoft-electronics.com
Engineering firm designing and manufacturing radar analysis tools, providing system upgrades, integration, qualification testing, and maintenance services for diverse global radar systems. |
124 | |||
| 11 |
Eurocircuitseurocircuits.com
Innovative PCB manufacturing partner offering engineering expertise, digital-first approach, quick turnaround times, and cost-effective solutions for reliable project delivery |
108 | |||
| 12 |
Simera Sensesimera-sense.com
Leading provider optical payloads, data analytics, and end-to-end solutions for small satellite imagers across RGB, video, multispectral, and hyperspectral applications. |
104 | |||
| 13 |
Advionics nvadvionics.be
Specializing in advanced avionic solutions for the aviation industry, we offer high-tech electronic services with over 50 years of experience |
100 | |||
| 14 |
miDiagnosticsmidiagnostics.com
A technology company developing miniaturized lab-quality tests with built-in connectivity for rapid health analysis from easily accessed samples |
65 | |||
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. | |||||
| 15 |
Xenicsexosens.com
Designs, markets infrared imagers, cores, cameras for machine vision, scientific research, transportation, process monitoring, safety, security, and medical applications. Pioneer in infrared technology. |
63 | |||
| 16 |
BelGaNbelgan.com
This company focuses on becoming a leading GaN foundry for automotive industry, providing high-quality semiconductor technologies for energy-efficient, compact, and cost-effective products |
52 | |||
| 17 |
Caelestecaeleste.be
Designs custom high-end, high-performance image sensors for medical, scientific, space, and machine vision applications, covering X-ray to infrared and electron-beam imaging. |
49 | |||
| 18 |
Magics Technologiesmagics.tech
Develops integrated circuits and AI for intelligent sensing, motion control, and robotic automation, specifically for extreme environments like nuclear and space. |
46 | |||
| 19 |
arcsecarcsec.space
Specializing in precise attitude determination and control systems for small satellites, ensuring high accuracy in space operations |
34 | |||
| 20 |
WAGO BeLuxwago.com
The company is a leading manufacturer and seller of electrical connection and automation components, known for quality products, innovations, and professional service worldwide |
23 | |||
| 21 |
EDGXedgx.space
Develops advanced onboard artificial intelligence technology for space applications, enabling high-performance processing and autonomous capabilities for satellites and next generation orbital missions. |
22 | |||
| 22 |
Tusk ICtusk-ic.com
Specializing in mmWave IC design, the company enables revolutionary applications from 5G to autonomous vehicles through expertise in CMOS and SiGe processes |
20 | |||
| 23 |
Celestia Antwerp BVcelestia-antwerp.be
With over 60 years of experience in space technology, they provide innovative satellite integration solutions for a variety of products within the industry |
19 | |||
| 24 | 13 | ||||
| 25 |
ACE electronics Belgiumace-electronics.be
Specializing in electronics, this company offers development, production, assembly, and testing of custom electronic circuit boards and equipment for small and large series |
13 | |||
| 26 |
Assemblicsassemblics.com
Specialized PCB contract manufacturer for critical applications, offering proven quality, in-house expertise, cutting-edge technology, customized solutions, and flexibility in production |
12 | |||
| 27 |
OIP Space Instrumentsoipspace.be
Specializing in high-end Electro-Optical Spaceborne Solutions, this company designs and produces spectrometers, cameras, and instrumentation for planetary observation, atmospheric analysis, and scientific research |
10 | |||
| 28 |
Merck Belgiummerckgroup.com
A dynamic science and technology company dedicated to making positive differences in healthcare, life science, and electronics since 1668 |
8 | |||
| 29 |
Joranalogue Audio Designjoranalogue.com
Innovative Eurorack modules designed and crafted in Belgium, merging modern hardware engineering with expertise in vintage synthesizer servicing |
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 11, 2026.
More company lists in Flanders
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- Multinational companies in Flanders 1,023
- Manufacturers in Flanders 415
- Retail chains in Flanders 370
- IT services companies in Flanders 367
- IT Services and IT Consulting companies in Flanders 356
- Companies with in-house R&D in Flanders 352
- Transportation, Logistics, Supply Chain and Storage companies in Flanders 313
- Family-owned companies in Flanders 310
- Software Development companies in Flanders 287
- SaaS companies in Flanders 265
- Professional services firms in Flanders 263
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- Logistics companies in Flanders 202
- Critical infrastructure operators in Flanders 183
- Retail companies in Flanders 182
- Food and Beverage Manufacturing companies in Flanders 175
- Consulting firms in Flanders 172
- E-commerce companies in Flanders 145
- Advertising Services companies in Flanders 137
- Food and beverage companies in Flanders 131
- Financial services firms in Flanders 128