The Haute-Garonne department is home to a concentration of electronics and semiconductor companies, predominantly mid-sized firms with a focus on specialized, high-tech applications. These companies often operate in demanding sectors such as aerospace, defense, and energy.
Key players include ACTIA Group, which designs and manufactures electronic systems for land mobility and aerospace; HENSOLDT in France, producing critical electronic products for defense and transport; SPHEREA, delivering advanced test and measurement solutions; and SERMA Ingénierie, specializing in embedded electronic board design and testing for aeronautics.
| # | Company | Employees | |||
|---|---|---|---|---|---|
| 1 |
ACTIA Groupactia.com
Designs, manufactures, and operates high-tech electronic systems for demanding sectors: land mobility, aerospace, space, and energy worldwide, focusing on connectivity, safety, and performance. |
3,066 | |||
| 2 |
HENSOLDT in Francehensoldt.net
Manufactures and maintains critical electronic products, cyber security equipment, and energy solutions for aerospace, defence, energy, and transport sectors in France. |
501 | |||
| 3 |
SERMA Ingénierieserma-ingenierie.com
Design, production, maintenance, and testing of embedded electronic boards with expertise in aeronautics and safety engineering services. |
460 | |||
| 4 |
SPHEREAspherea.com
Designs, develops, and delivers advanced test and measurement solutions, including optronics, integrated systems, diagnostics, and harness testing, for various industries globally. |
449 | |||
| 5 | 370 | ||||
| 6 |
CLIclifrance.com
Distributes high-end aeronautical and industrial connectors and electronic components to professionals, serving various sectors including aerospace, defense, automotive, and medical industries. |
345 | |||
| 7 |
MICROTECmicrotec-electronics.fr
Specialized in electronic and mechatronic design, test engineering, prototyping, and industrial wiring for aerospace, automotive, and medical sectors. |
180 | |||
| 8 | 155 | ||||
| 9 |
TRAD, Tests & Radiationstrad.fr
Company offers radiation testing, materials characterization, and software for electronics in space, defense, and nuclear industries, minimizing radiation effects. |
146 | |||
| 10 | 137 | ||||
| 11 |
ACTIA Aerospaceaerospace.actia.com
A leading technological partner in aeronautics, space, and Satcom with expertise in flight computers, satellite equipment, and innovative solutions |
103 | |||
| 12 |
Anywavesanywaves.com
Designs, manufactures, delivers high-performance space antennas, RF payloads, and electronics for satellites, launchers, rovers, supporting telecommunications, Earth observation, navigation, and defense. |
87 | |||
| 13 |
LID Technologieslid.tech
Develops, industrializes, and commercializes smart, wireless embedded electronic systems for automotive markets, including tire pressure sensors, hands-free access, and telematics. |
85 | |||
| 14 |
INTEGRA Metering Ultrasonicsontex.com
Development production sale of water energy meters and data management systems for utilities property managers and building operators |
73 | |||
| 15 |
LEROY Automationleroy-automation.com
Specializing in train automation systems and embedded electronics, providing tailored solutions for rail projects and safe critical infrastructure for the energy market |
73 | |||
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 |
Sterelasterela.fr
Provides integrated electronics and mechatronics technologies with installation and maintenance services for aerospace, defense, meteorology, ITS, and robotics sectors. |
73 | |||
| 17 |
Syntony GNSSsyntony-gnss.com
Develops Global Navigation Satellite Systems solutions. Combines Software Defined Radio with advanced analog front-ends, scalable and deployable, for complex organizations. |
73 | |||
| 18 |
Navocapnavocap.com
An innovative company specializing in providing mobility solutions through design, manufacturing, and installation of embedded equipment, communication networks, and operating centers |
59 | |||
| 19 |
RECIF Technologiesreciftech.com
Designs, manufactures, distributes, and maintains robotic handling equipment for highly sensitive semiconductor industry environments with high flexibility and reliability. |
53 | |||
| 20 |
ADVEEZadveez.com
The company develops IoT solutions for asset monitoring, worker safety, and supply chain optimization in airports, seaports, logistics, and smart cities worldwide |
51 | |||
| 21 |
STEEL Electroniquesteel-electronique.actia.com
Design, manufacturing, and testing of advanced space electronics for satellites, covering legacy and New-Space missions from initial specifications through final product commissioning. |
51 | |||
| 22 |
CIRTEMcirtem.com
Specializing in power electronics, the company optimizes energy flows to improve efficiency and performance in various applications |
47 | |||
| 23 |
Alliantech - Votre partenaire instrumentationalliantech.com
Leading provider of sensors, data acquisition systems, testing equipment, and calibration tools Specializing in vibration and acoustic measurement, shock testing, and more |
40 | |||
| 24 |
Metavonicsmetavonics.com
A deeptech startup pioneering open modular avionics for decarbonized aviation, providing safety-critical computing power to Advanced Air Mobility vehicles |
39 | |||
| 25 |
SOTREM SEOseogroup.fr
Specialized electronic studies and production supporting major industrial groups in aerospace, defense, automotive, and energy sectors throughout product lifecycle. |
38 | |||
| 26 |
Drotekdrotek.com
A French tech start-up designing and manufacturing embedded systems for robotics, drones, and IoT with a focus on quality and innovation |
36 | |||
| 27 |
CIMULEC Groupcimulecgroup.com
European leader in manufacturing highly reliable PCBs for severe environments such as defense, space, aeronautics, nuclear, and rail industries |
36 | |||
| 28 |
CONESYS EUROPEconesyseurope.com
Design, production, and supply of standard and customized hermetic connectors for EMEA market with engineering and quality assurance. |
24 | |||
| 29 | 24 | ||||
| 30 | 24 | ||||
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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 Haute-Garonne department
- The largest companies in the Haute-Garonne department 2,406
- Companies with in-house R&D in the Haute-Garonne department 323
- Multinational companies in the Haute-Garonne department 246
- Retail chains in the Haute-Garonne department 222
- Professional services firms in the Haute-Garonne department 208
- Aerospace and defence companies in the Haute-Garonne department 186
- Manufacturers in the Haute-Garonne department 159
- IT services companies in the Haute-Garonne department 158
- IT Services and IT Consulting companies in the Haute-Garonne department 152
- SaaS companies in the Haute-Garonne department 147
- Consulting firms in the Haute-Garonne department 145
- Software Development companies in the Haute-Garonne department 140
- Hardware manufacturers in the Haute-Garonne department 137
- Public sector organisations in the Haute-Garonne department 111
- Business Consulting and Services companies in the Haute-Garonne department 104
- Real Estate companies in the Haute-Garonne department 104
- Aviation and Aerospace Component Manufacturing companies in the Haute-Garonne department 102
- Distributors and wholesalers in the Haute-Garonne department 98
- Education providers in the Haute-Garonne department 94
- Family-owned companies in the Haute-Garonne department 72
- Financial services firms in the Haute-Garonne department 70
- Higher Education companies in the Haute-Garonne department 66
- Critical infrastructure operators in the Haute-Garonne department 64
- Retail companies in the Haute-Garonne department 63
The same list elsewhere in France
- Electronics and semiconductor companies in France 846
- Electronics and semiconductor companies in Île-de-France 230
- Electronics and semiconductor companies in Auvergne-Rhône-Alpes 154
- Electronics and semiconductor companies in Occitanie 89
- Electronics and semiconductor companies in Provence-Alpes-Côte d'Azur 79
- Electronics and semiconductor companies in the Isère department 70
- Electronics and semiconductor companies in Grand Est 56
- Electronics and semiconductor companies in Nouvelle-Aquitaine 53
- Electronics and semiconductor companies in the Bouches-du-Rhône 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 Hauts-de-Seine department 35
- 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 Rhône department 25
- Electronics and semiconductor companies in Paris 54
- Electronics and semiconductor companies in Grenoble 28