The companies listed are primarily mid-sized to large firms specializing in electronics and semiconductor manufacturing within North Rhine-Westphalia. Many are deeply integrated into the automotive supply chain, producing components and systems for vehicles.
Key companies include FORVIA HELLA, an automotive supplier focusing on lighting and electronics, KOSTAL Group, which develops electronic and mechatronic products for various industries, and ifm, a global leader in industrial automation. Huf Group provides secure car access products, while HARTING Technology Group offers industrial connectivity solutions. A notable pattern is the strong presence of companies manufacturing for the automotive sector.
| # | Company | Employees | |||
|---|---|---|---|---|---|
| 1 |
FORVIA HELLAhella.com
International automotive supplier specializing in high-performance lighting technology, vehicle electronics, lifecycle solutions, spare parts, and workshop equipment for special vehicles and manufacturers. |
17,750 | |||
| 2 |
KOSTAL Groupkostal.com
Develops, produces, and distributes technologically complex electronic and mechatronic products for automotive, industrial electronics, connectors, and test technology applications. |
5,302 | |||
| 3 | 4,920 | ||||
| 4 |
Huf Grouphuf-group.com
specialist in secure car access and authorization products, providing innovative solutions for automobile manufacturers worldwide for over 100 years |
2,324 | |||
| 5 |
HARTING Technology Groupharting.com
A leading global provider of industrial connectivity, offering solutions for various sectors including transportation, electromobility, and renewable energy production |
1,865 | |||
| 6 | 1,788 | ||||
| 7 |
Beckhoff Automationbeckhoff.com
A global specialist in automation and PC-based control technology, developing innovative products to help customers improve efficiency and sustainability |
1,405 | |||
| 8 | 1,181 | ||||
| 9 | 894 | ||||
| 10 |
Fujifilm Europefujifilm.com
A technology company with a legacy in photography, Fujifilm innovates in healthcare, materials, business, and imaging to drive societal change |
834 | |||
| 11 |
Volkswagen Infotainment GmbHvolkswagen-infotainment.com
A subsidiary of the Volkswagen Group, developing future mobility solutions through connectivity for next-generation vehicles, with over 950 employees worldwide |
800 | |||
| 12 | 800 | ||||
| 13 |
AIXTRON SEaixtron.com
Developing and supplying deposition equipment for semiconductor and complex materials, supporting production and R&D in microelectronic and optoelectronic device fabrication. |
741 | |||
| 14 | 658 | ||||
| 15 |
Girapartner.gira.com
Development and manufacturing of innovative smart home switches and systems with focus on quality, design, and customer-oriented solutions. |
534 | |||
| 16 |
BENNINGbenning.de
Design and manufacture of reliable power supplies, battery chargers, UPS systems, and energy storage solutions for industrial and telecom sectors. |
520 | |||
| 17 |
Huawei Deutschlandhuawei.com
A global provider of information technology and telecommunications solutions with a focus on connectivity, computing, devices, automotive, digital power, and cloud services |
490 | |||
| 18 |
HARTING Technologiegruppeharting.com
A global leader in industrial connection technology, with employees worldwide supporting various industries like transportation, renewable energy, and automation |
373 | |||
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| 19 |
STEINELsteinel.de
A German-based company specializing in intelligent lighting, sensor technology, and professional tools, with products developed and manufactured in Europe and distributed worldwide |
365 | |||
| 20 |
Schmersal Groupschmersal.com
A global leader in workplace safety solutions, offering a wide range of safety switchgear systems and tailored industry machine safety solutions for various sectors worldwide |
356 | |||
| 21 |
Niterra EMEA GmbHngkntk.com
Supplier of automotive ignition parts and vehicle electronics sensors, focusing on quality, technology, and sustainability across global markets. |
341 | |||
| 22 | 330 | ||||
| 23 |
KEB Automationkeb-automation.com
Development and manufacturing of industrial PCs, embedded controllers, drive electronics, motors, gearboxes, brakes, and clutches for global industries. |
326 | |||
| 24 |
AIKO Energyaikosolar.com
A global clean energy technology company specializing in photovoltaic products, inverters, battery storage, and energy management systems for a carbon-free society |
321 | |||
| 25 |
Weidmüller Interface GmbH & Co. KGweidmueller.com
A computer software company based in Detmold, Germany specializing in interface solutions |
279 | |||
| 26 | 232 | ||||
| 27 |
B.E.G. Brück Electronic GmbHbeg-luxomat.com
A family-run company specializing in building automation and systems technology, offering products and services for energy savings, comfort, and safety worldwide |
166 | |||
| 28 |
ROHM Semiconductor Europerohm.com
Develops and manufactures system LSI, discrete components, and module products, including SiC diodes, power transistors, and passive components like resistors and capacitors. |
158 | |||
| 29 |
Smart Mechatronics GmbHsmartmechatronics.de
Since 2008, we are a development partner for intelligent, connected systems and innovative products, specializing in software & electronics development, project management, and technical consultancy |
101 | |||
| 30 |
Hermann Sewerin GmbHsewerin.com
Development production global distribution of electronic measuring equipment for gas and water supply and distribution industries worldwide. |
89 | |||
| 31 |
SEGGER Microcontrollersegger.com
Specializes in hardware and software development tools for embedded systems, offering a range of products worldwide to cut software development time for developers |
63 | |||
| 32 |
PTR HARTMANN GmbHptr-hartmann.com
An internationally-operating company based in Germany that develops and manufactures electrical components for the electronics and automotive industries, focusing on high-quality solutions |
62 | |||
| 33 |
FSP POWER SOLUTION GMBHfsp-ps.de
A leading provider of high-quality power solutions and renewable energy systems across multiple industries, focusing on efficiency and environmental sustainability |
51 | |||
| 34 |
Infineon Technologies Bipolar GmbH & Co. KGifbip.com
A German based company specializing in power semiconductor manufacturing located in Warstein, Germany |
45 | |||
| 35 |
HUBER+SUHNER BKtel GmbHbktel.com
Development and supply of advanced broadband communication components and services including network planning, installation, and training for efficient network operation. |
39 | |||
| 36 |
Getac Technology GmbHgetac.com
A subsidiary specializing in rugged notebooks, tablets, and handhelds for military, law enforcement, and commercial sectors with customized solutions and integrated hardware and software |
15 | |||
| 37 |
DENSO WAVE EUROPEdenso-wave.com
Global provider of high quality data capture solutions for retail, logistics, and healthcare, including RFID, barcode scanners, and IoT systems Focus on quality and real-time data availability |
7 | |||
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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.
More company lists in North Rhine-Westphalia
- The largest companies in North Rhine-Westphalia 2,983
- Multinational companies in North Rhine-Westphalia 996
- Companies with in-house R&D in North Rhine-Westphalia 455
- Manufacturers in North Rhine-Westphalia 426
- Family-owned companies in North Rhine-Westphalia 335
- Retail chains in North Rhine-Westphalia 311
- Hardware manufacturers in North Rhine-Westphalia 284
- Critical infrastructure operators in North Rhine-Westphalia 272
- Transportation, Logistics, Supply Chain and Storage companies in North Rhine-Westphalia 267
- Financial services firms in North Rhine-Westphalia 238
- Software Development companies in North Rhine-Westphalia 217
- SaaS companies in North Rhine-Westphalia 201
- Corporate groups and holding companies in North Rhine-Westphalia 189
- Companies with a mobile app in North Rhine-Westphalia 175
- IT Services and IT Consulting companies in North Rhine-Westphalia 171
- Public sector organisations in North Rhine-Westphalia 160
- Logistics companies in North Rhine-Westphalia 148
- Professional services firms in North Rhine-Westphalia 147
- IT services companies in North Rhine-Westphalia 146
- Financial Services companies in North Rhine-Westphalia 126
- Consulting firms in North Rhine-Westphalia 112
- E-commerce companies in North Rhine-Westphalia 110
- Automotive manufacturers and suppliers in North Rhine-Westphalia 103
- Distributors and wholesalers in North Rhine-Westphalia 103
The same list elsewhere in Germany
- Electronics and semiconductor companies in Germany 245
- Electronics and semiconductor companies in Bavaria 71
- Electronics and semiconductor companies in Baden-Württemberg 62