# 30 leading electronics and semiconductor companies in the Haute-Garonne department
Tamtam tracks 49 electronics and semiconductor companies headquartered in the Haute-Garonne department. This list ranks the 30 largest by number of employees on LinkedIn, led by ACTIA Group, HENSOLDT in France and SERMA Ing茅nierie. Their median headcount is 73. Half of them were founded in 1989 or later. The most common headquarters are Toulouse (13), Blagnac (4) and Colomiers (2).
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 Ing茅nierie, specializing in embedded electronic board design and testing for aeronautics.
馃嚝馃嚪 Haute-Garonne 路 30 companies 路 Updated Nov 11, 2026
| # | Company | Industry | Headquarters | Employees | Founded |
|---|---|---|---|---|---|
| 1 | [ACTIA Group](https://www.tamtam.ai/c/actia-group) (actia.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. | Manufacturing | 馃嚝馃嚪 Toulouse | 3,066 | 1986 |
| 2 | [HENSOLDT in France](https://www.tamtam.ai/c/hensoldt-in-france) (hensoldt.net)
Manufactures and maintains critical electronic products, cyber security equipment, and energy solutions for aerospace, defence, energy, and transport sectors in France. | Computers and Electronics Manufacturing | 馃嚝馃嚪 Toulouse | 501 | 1982 |
| 3 | [SERMA Ing茅nierie](https://www.tamtam.ai/c/serma-ingenierie) (serma-ingenierie.com)
Design, production, maintenance, and testing of embedded electronic boards with expertise in aeronautics and safety engineering services. | Engineering Services | 馃嚝馃嚪 Cornebarrieu | 460 | 2004 |
| 4 | [SPHEREA](https://www.tamtam.ai/c/spherea) (spherea.com)
Designs, develops, and delivers advanced test and measurement solutions, including optronics, integrated systems, diagnostics, and harness testing, for various industries globally. | Defense and Space Manufacturing | 馃嚝馃嚪 Toulouse | 449 | 1960 |
| 5 | [SCLE](https://www.tamtam.ai/c/scle) (scle.fr)
The company specializes in providing devices and systems for high-voltage substations and rail signaling | IT Services and IT Consulting | 馃嚝馃嚪 Toulouse | 370 | 1969 |
| 6 | [CLI](https://www.tamtam.ai/c/cli) (clifrance.com)
Distributes high-end aeronautical and industrial connectors and electronic components to professionals, serving various sectors including aerospace, defense, automotive, and medical industries. | Wholesale | 馃嚝馃嚪 Portet-sur-Garonne | 345 | 1993 |
| 7 | [MICROTEC](https://www.tamtam.ai/c/microtec) (microtec-electronics.fr)
Specialized in electronic and mechatronic design, test engineering, prototyping, and industrial wiring for aerospace, automotive, and medical sectors. | Aviation and Aerospace Component Manufacturing | 馃嚝馃嚪 Ramonville-Saint-Agne | 180 | 1976 |
| 8 | [EREMS](https://www.tamtam.ai/c/erems) (erems.fr)
Specialized in designing and producing electronic equipment and software primarily for space, defense, and aeronautic industries with 170 employees. | Defense and Space Manufacturing | 馃嚝馃嚪 Flourens | 155 | 1979 |
| 9 | [TRAD, Tests & Radiations](https://www.tamtam.ai/c/trad-tests-and-radiations) (trad.fr)
Company offers radiation testing, materials characterization, and software for electronics in space, defense, and nuclear industries, minimizing radiation effects. | Defense and Space Manufacturing | 馃嚝馃嚪 Lab猫ge | 146 | 1994 |
| 10 | [ARCYS](https://www.tamtam.ai/c/arcys) (arcys.fr)
Specialist in safety electronics and instrumentation for harsh environments, offering safety control solutions, instrumentation, secured wireless systems, and maintenance services | Computers and Electronics Manufacturing | 馃嚝馃嚪 Blagnac | 137 | 1975 |
| 11 | [ACTIA Aerospace](https://www.tamtam.ai/c/actia-aerospace) (aerospace.actia.com)
A leading technological partner in aeronautics, space, and Satcom with expertise in flight computers, satellite equipment, and innovative solutions | Aviation and Aerospace Component Manufacturing | 馃嚝馃嚪 Toulouse | 103 | |
| 12 | [Anywaves](https://www.tamtam.ai/c/anywaves) (anywaves.com)
Designs, manufactures, delivers high-performance space antennas, RF payloads, and electronics for satellites, launchers, rovers, supporting telecommunications, Earth observation, navigation, and defense. | Aviation and Aerospace Component Manufacturing | 馃嚝馃嚪 Toulouse | 87 | 2017 |
| 13 | [LID Technologies](https://www.tamtam.ai/c/lid-technologies) (lid.tech)
Develops, industrializes, and commercializes smart, wireless embedded electronic systems for automotive markets, including tire pressure sensors, hands-free access, and telematics. | Appliances, Electrical, and Electronics Manufacturing | 馃嚝馃嚪 Ramonville-Saint-Agne | 85 | 2004 |
| 14 | [INTEGRA Metering Ultrasonic](https://www.tamtam.ai/c/integra-metering-ultrasonic) (sontex.com)
Development production sale of water energy meters and data management systems for utilities property managers and building operators | Smart Meter Manufacturing | 馃嚝馃嚪 Blagnac | 73 | 2010 |
| 15 | [LEROY Automation](https://www.tamtam.ai/c/leroy-automation) (leroy-automation.com)
Specializing in train automation systems and embedded electronics, providing tailored solutions for rail projects and safe critical infrastructure for the energy market | Computers and Electronics Manufacturing | 馃嚝馃嚪 Lab猫ge | 73 | 1983 |
| 16 | [Sterela](https://www.tamtam.ai/c/sterela) (sterela.fr)
Provides integrated electronics and mechatronics technologies with installation and maintenance services for aerospace, defense, meteorology, ITS, and robotics sectors. | Appliances, Electrical, and Electronics Manufacturing | 馃嚝馃嚪 Pins-Justaret | 73 | 1980 |
| 17 | [Syntony GNSS](https://www.tamtam.ai/c/syntony-gnss) (syntony-gnss.com)
Develops Global Navigation Satellite Systems solutions. Combines Software Defined Radio with advanced analog front-ends, scalable and deployable, for complex organizations. | Computers and Electronics Manufacturing | 馃嚝馃嚪 Toulouse | 73 | 2015 |
| 18 | [Navocap](https://www.tamtam.ai/c/navocap) (navocap.com)
An innovative company specializing in providing mobility solutions through design, manufacturing, and installation of embedded equipment, communication networks, and operating centers | Urban Transit Services | 馃嚝馃嚪 Blagnac | 59 | 1989 |
| 19 | [RECIF Technologies](https://www.tamtam.ai/c/recif-technologies) (reciftech.com)
Designs, manufactures, distributes, and maintains robotic handling equipment for highly sensitive semiconductor industry environments with high flexibility and reliability. | Semiconductor Manufacturing | 馃嚝馃嚪 Blagnac | 53 | 1982 |
| 20 | [ADVEEZ](https://www.tamtam.ai/c/adveez) (adveez.com)
The company develops IoT solutions for asset monitoring, worker safety, and supply chain optimization in airports, seaports, logistics, and smart cities worldwide | Appliances, Electrical, and Electronics Manufacturing | 馃嚝馃嚪 Toulouse | 51 | 2011 |
| 21 | [STEEL Electronique](https://www.tamtam.ai/c/steel-electronique) (steel-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. | Space Research and Technology | 馃嚝馃嚪 Martres-Tolosane | 51 | 1981 |
| 22 | [CIRTEM](https://www.tamtam.ai/c/cirtem) (cirtem.com)
Specializing in power electronics, the company optimizes energy flows to improve efficiency and performance in various applications | Computers and Electronics Manufacturing | 馃嚝馃嚪 Sainte-Foy-d'Aigrefeuille | 47 | 1988 |
| 23 | [Alliantech - Votre partenaire instrumentation](https://www.tamtam.ai/c/alliantech-votre-partenaire-instrumentation) (alliantech.com)
Leading provider of sensors, data acquisition systems, testing equipment, and calibration tools Specializing in vibration and acoustic measurement, shock testing, and more | Industrial Machinery Manufacturing | 馃嚝馃嚪 Toulouse | 40 | 1999 |
| 24 | [Metavonics](https://www.tamtam.ai/c/metavonics) (metavonics.com)
A deeptech startup pioneering open modular avionics for decarbonized aviation, providing safety-critical computing power to Advanced Air Mobility vehicles | Aviation and Aerospace Component Manufacturing | 馃嚝馃嚪 Toulouse | 39 | |
| 25 | [SOTREM SEO](https://www.tamtam.ai/c/sotrem-seo) (seogroup.fr)
Specialized electronic studies and production supporting major industrial groups in aerospace, defense, automotive, and energy sectors throughout product lifecycle. | Aviation and Aerospace Component Manufacturing | 馃嚝馃嚪 Colomiers | 38 | 1996 |
| 26 | [Drotek](https://www.tamtam.ai/c/drotek) (drotek.com)
A French tech start-up designing and manufacturing embedded systems for robotics, drones, and IoT with a focus on quality and innovation | Consumer Electronics | 馃嚝馃嚪 Avignonet-Lauragais | 36 | 2012 |
| 27 | [CIMULEC Group](https://www.tamtam.ai/c/cimulec-group) (cimulecgroup.com)
European leader in manufacturing highly reliable PCBs for severe environments such as defense, space, aeronautics, nuclear, and rail industries | Appliances, Electrical, and Electronics Manufacturing | 馃嚝馃嚪 Toulouse | 36 | 1981 |
| 28 | [CONESYS EUROPE](https://www.tamtam.ai/c/conesys-europe-colomiers) (conesyseurope.com)
Design, production, and supply of standard and customized hermetic connectors for EMEA market with engineering and quality assurance. | Aviation and Aerospace Component Manufacturing | 馃嚝馃嚪 Colomiers | 24 | |
| 29 | [Ellona](https://www.tamtam.ai/c/ellona) (ellona.io)
Development of customized multi-sensor devices and AI-driven data analysis for monitoring air quality, nuisances, and health indicators in various environments. | Environmental Services | 馃嚝馃嚪 Toulouse | 24 | 2016 |
| 30 | [WaltR](https://www.tamtam.ai/c/waltr-toulouse) (waltr.fr)
The company provides an innovative solution for accurate air pollution measurements using new optical sensor technology in urban areas | IT Services and IT Consulting | 馃嚝馃嚪 Toulouse | 24 | 2018 |
## 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.
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Source: https://www.tamtam.ai/l/electronics-companies-haute-garonne