This selection of Spanish electronics and semiconductor companies includes a mix of large international groups and substantial mid-sized firms. Mitsubishi Electric, a global leader in electrical and electronic equipment, heads the list with 146,000 employees. Other significant players include Ingeteam, specializing in renewable energy solutions, Power Electronics, a leading solar inverter manufacturer, and Ficosa North America, a global automotive solutions provider. SIMON designs and manufactures electrical components, while Wallbox Chargers develops smart charging systems.
The companies demonstrate a strong presence in industrial automation, renewable energy, and automotive solutions. Several firms, such as Ingeteam and ZIV, are headquartered in Zamudio, indicating a regional cluster for electrical equipment manufacturing. The founding dates range from 1916 (SIMON) to 2011 (Idneo), suggesting a blend of established companies and more recent ventures.
| # | Company | Employees | |||
|---|---|---|---|---|---|
| 1 |
MITSUBISHI ELECTRICmitsubishielectric.com
A leader in electric and electronic equipment manufacturing, focusing on Energy Systems, Industrial Automation, Information Systems, Electronic Devices, and Home Appliances |
146,000 | |||
| 2 |
Ingeteamingeteam.com
A global team of over 3,500 experts providing innovative solutions in renewable energy, electric vehicle chargers, green hydrogen production, and water technology |
3,443 | |||
| 3 |
Power Electronicspower-electronics.com
Leading solar inverter manufacturer, energy storage solutions, projects across 36 countries, prevents CO2 emissions, global energy benchmark. |
2,513 | |||
| 4 |
Ficosa North America SA de CVficosa.com
Global automotive solutions provider specializing in advanced vision, safety, and control systems, with a focus on technological innovation, human values, and energy efficiency |
1,943 | |||
| 5 |
SIMONsimonelectric.com
Designs and manufactures electrical components, lighting, and connectivity solutions for various spaces. Focuses on innovation and user experience with a global presence. |
1,644 | |||
| 6 |
Wallbox Chargerswallbox.com
Develops smart charging systems, combining innovative technology with design, managing communication between electric vehicles, grids, buildings, and chargers for various uses. |
1,200 | |||
| 7 | 1,133 | ||||
| 8 |
Tecnobit-Grupo Oesíalinkedin.com
Specializing in the design, development, manufacture, and maintenance of high-tech dual-use products for Defense, with expertise in smart vision, simulation, and secure communications |
852 | |||
| 9 |
Grupo Ampergrupoamper.com
A Spanish multinational specializing in technological development in communications, industry, and engineering, offering global solutions in various sectors including IoT, renewable energy, and industrial automation |
706 | |||
| 10 | 640 | ||||
| 11 |
TTIcelestia-tti.com
An SME specializing in radiofrequency and antenna technology, providing advanced products, communication system integration, and turnkey solutions for domestic and international clients |
630 | |||
| 12 |
Celestia TSTcelestia-tst.com
A technology company specialized in IoT solutions for smart cities, agrifood, and energy efficiency, utilizing various wireless communication technologies and sensors |
504 | |||
| 13 |
SEDECALsedecal.com
Global leader in OEM design and manufacturing of high frequency X-Ray generators and systems, with divisions in medical, veterinary, healthcare, and industrial sectors |
476 | |||
| 14 |
ZIVzivautomation.com
Designs, manufactures, and markets digital equipment and systems for protection, control, measurement, and communication in the electrical power industry Offers engineering, services, and system integration |
455 | |||
| 15 | 450 | ||||
| 16 |
Airbus Crisacrisa.airbus.com
Specializes in developing and producing electronic equipment and software for space and defense applications, including power equipment and data handling for satellites and launchers |
448 | |||
| 17 |
PREMO Groupgrupopremo.com
Global leader in innovative magnetics technology for 4th Industrial Revolution, specializing in RFID, NFC, VR/AR, IoT, Electric Vehicles, M2M, and custom solutions |
447 | |||
| 18 |
Cojali S. L.cojali.com
Manufactures components, develops advanced diagnostics, remote diagnostics, and connectivity solutions for various heavy-duty vehicles, also offers training and technical support. |
439 | |||
| 19 |
IKERLANikerlan.es
A leading technology center offering competitive value to industry through digital technologies, artificial intelligence, cybersecurity, mechatronics, and energy solutions |
438 | |||
| 20 |
Merit Automotive Electronics Systems.merit-automotive.com
Global supplier of complex automotive mechatronics modules and switches, with extensive experience and facilities worldwide supporting automakers and aftermarket. |
426 | |||
| 21 |
Ingeteam Power Technologyingeteam.com
Specializing in power and control electronics, generators, motors, and pumps, the company offers maintenance services and operates globally with a focus on R&D |
420 | |||
| 22 |
Airzone Controlairzonecontrol.com
Established in 1997, this company specializes in HVAC controls and integration to enhance energy efficiency and comfort in homes |
416 | |||
| 23 |
Premium PSUpremiumpsu.com
Specializing in power conversion systems with over 40 years of experience, we design and manufacture innovative solutions for industrial markets |
411 | |||
| 24 |
Televesglobal.televes.com
A technology company specializing in telecommunications, industrial LED lighting, and innovative solutions for leisure, communication, health, and wellness services worldwide |
409 | |||
| 25 | 401 | ||||
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| 26 |
Teltronicteltronic.es
A global leader in mission-critical radio communications solutions, offering innovative TETRA, LTE, and 5G technologies for various sectors worldwide |
397 | |||
| 27 |
Gamesa Electricgamesaelectric.com
Global leader in electrical equipment design and manufacturing for various industries, offering customizable solutions, leveraging parent company's technology expertise and worldwide maintenance services network |
354 | |||
| 28 |
Fagor Automation | CNC & Feedback Systems | Automation Solutionsfagorautomation.com
Specializing in machine automation and control, this global leader offers tailored solutions with advanced software development capabilities and a wide international network |
351 | |||
| 29 |
ALTER TECHNOLOGY TÜV NORDaltertechnology-group.com
Microelectronic and optoelectronic services, including engineering, procurement, assembly, and testing for harsh environments. Also, equipment and systems testing and certification across various sectors. |
336 | |||
| 30 |
Zenniozennio.com
Specialist in KNX automation solutions for real estate industry, offering a wide range of innovative products to improve comfort, security, and energy consumption worldwide |
328 | |||
| 31 |
CIRCUTORcircutor.com
Designs and manufactures units for improving electrical energy efficiency: measurement, control, protection, compensation, filtering, and smart EV charging. Also renewable energies. |
326 | |||
| 32 |
SCP SINTERSAscp-sa.es
Specializing in electrical interconnection solutions for harsh environments, our team offers customized components, production of wire-harnesses, and on-site assembly services in various industries |
313 | |||
| 33 |
OPENCHIP & SOFTWARE TECHNOLOGIESopenchip.com
European company developing efficient accelerators for scientific research, data visualization, and intelligent services, aiming to achieve digital sovereignty and strengthen the European value chain |
309 | |||
| 34 |
Fagor Electronicafagorelectronica.com
A manufacturer of electronic components with a global presence, specializing in semiconductor, signal processing, electronic manufacturing services, and fleet management solutions |
306 | |||
| 35 |
Thales en Españathalesgroup.com
Leading multinational in defense, aerospace, cybersecurity, and digital identity with multiple centers and 1,300 employees across Spain. |
292 | |||
| 36 |
DHV Technologydhvtechnology.com
DHV Technology manufactures solar panels for various applications, offers consulting services for R&D, project management, and emphasizes professional training, teamwork, and international presence in the sectors of renewable energy, microelectronics, aeronautics, and defense They focus on developing cutting-edge solutions in the space and aeronautical sector to contribute to European technological independence and are dedicated to utilizing cubesat and small satellite technology to make space exploration more accessible |
256 | |||
| 37 |
CIRCONTROLcircontrol.com
Design and supply of efficient car park management solutions and intelligent electric vehicle recharging systems for global markets. |
250 | |||
| 38 |
DS2giantess.wiki
A leading provider of semiconductors enabling high-speed communications over power lines, phone lines, and coaxial cable for various applications |
209 | |||
| 39 |
Airzone Españaairzone.es
Airzone optimizes ducted air conditioning systems by offering zone control capabilities, leading the market with innovative products for energy efficiency and integration |
186 | |||
| 40 | 184 | ||||
| 41 |
ARQUIMEA Space, Science and Defensearquimea.com
Develops and manufactures products and technologies for space missions, defense, and aeronautics, including satellites, critical components, and high-performance equipment. |
133 | |||
| 42 |
Alén Spacealen.space
Develops end-to-end CubeSat missions and manufactures small satellite subsystems like software defined radios, on-board computers, payloads, and ground stations for global aerospace agencies. |
115 | |||
| 43 |
V2Cv2charge.com
The company develops and manufactures efficient e-Chargers with Spanish and European technology for electric vehicles, focusing on sustainability, innovation, and quality |
108 | |||
| 44 |
Merck Españamerckgroup.com
A leading science and technology company in Healthcare, Life Science, and Electronics, focused on sustainable human progress through innovation |
106 | |||
| 45 |
Libeliumlibelium.com
Specializing in IoT technology for industries, businesses, and Smart Cities to improve competitiveness through tailored projects and vertical applications |
96 | |||
| 46 | 73 | ||||
| 47 |
Skylife Engineeringskylife-eng.com
A Spanish technology company specializing in improving, modernizing, and developing aeronautical and aerospace technology with extensive research and R&D experience |
70 | |||
| 48 |
Qusidequside.com
Designing and producing quantum technologies, including quantum random number generators, to enhance security for connected devices in various markets |
63 | |||
| 49 |
ACORDEacorde.com
Designs, manufactures satellite, microwave communication subsystems, components. Specializes in SATCOM products, networks, custom defense solutions, and broadband radiocommunications engineering for security. |
63 | |||
| 50 | 43 | ||||
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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.
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