# 30 leading hardware manufacturers in the Loire-Atlantique department
Tamtam tracks 86 hardware manufacturers headquartered in the Loire-Atlantique department. This list ranks the 30 largest by number of employees on LinkedIn, led by LACROIX - Electronics, Sercel and NEWCLIP TECHNICS. Their median headcount is 148. Half of them were founded in 1978 or later. The most common headquarters are Nantes (10), Carquefou (4) and Saint-Herblain (2).
This selection of hardware manufacturers in Loire-Atlantique includes a mix of established mid-sized firms and larger groups. Their activities span a range of industrial applications, from electronics and medical equipment to specialized machinery. Companies like LACROIX design and manufacture embedded electronics, while NEWCLIP TECHNICS develops osteosynthesis implants for surgery. Sercel provides subsurface measurement solutions, and FMGC manufactures cast counterweights for various sectors.
The companies here show a concentration in industrial manufacturing and specialized equipment. Many of these firms have a long history, such as Sercel, founded in 1956, and Polysoude S.A.S, established in 1961, indicating a mature industrial base in the region. There is also a notable presence of companies involved in energy-related sectors, including Vaillant Group France in renewable energy heating systems and MADIC group in petroleum equipment.
馃嚝馃嚪 Loire-Atlantique 路 30 companies 路 Updated Nov 11, 2026
| # | Company | Industry | Headquarters | Employees | Founded |
|---|---|---|---|---|---|
| 1 | [LACROIX - Electronics](https://www.tamtam.ai/c/lacroix-electronics) (lacroix-electronics.com)
Design and manufacture embedded electronics for diverse solutions, combining R&D with Industry 4.0 manufacturing in automotive, industrial, and healthcare sectors. | Appliances, Electrical, and Electronics Manufacturing | 馃嚝馃嚪 Saint-Herblain | 1,039 | |
| 2 | [Sercel](https://www.tamtam.ai/c/sercel) (sercel.com)
Leading provider of high-standard subsurface measurement and data solutions for natural resources, infrastructure monitoring, energy transition, and defense sectors since 1956. | Manufacturing | 馃嚝馃嚪 Carquefou | 942 | 1956 |
| 3 | [NEWCLIP TECHNICS](https://www.tamtam.ai/c/newclip-technics) (newcliptechnics.com)
Design manufacture and market innovative osteosynthesis implants for elective surgery and traumatology with focus on quality and performance. | Medical Equipment Manufacturing | 馃嚝馃嚪 Haute Goulaine | 500 | 2002 |
| 4 | [ALCATEL SUBMARINE NETWORKS MARINE](https://www.tamtam.ai/c/alcatel-submarine-networks-marine)
Specializing in submarine network infrastructure, this consulting company is based in 脦ledefrance, France and provides management services for telecommunications projects | Business Consulting and Services | 馃嚝馃嚪 Nozay | 427 | |
| 5 | [FMGC](https://www.tamtam.ai/c/fmgc) (farinia.com)
Manufacture gray iron cast counterweights and ballast solutions for marine renewable energy, material handling, agriculture, and off-highway sectors. | Industrial Machinery Manufacturing | 馃嚝馃嚪 Soudan | 345 | |
| 6 | [MADIC group](https://www.tamtam.ai/c/madic-group) (groupe.madic.com)
innovative French industrialist in electronic payment, petroleum equipment, services, and Digital Media communication, with a focus on sustainable development values. | Oil and Gas | 馃嚝馃嚪 Nantes | 267 | 1971 |
| 7 | [ALGAM](https://www.tamtam.ai/c/algam) (algam.net)
Leading distributor of musical instruments and audio equipment in France, also manufacturing guitars and pianos with diverse professional teams. | Wholesale | 馃嚝馃嚪 Thouar茅-sur-Loire | 255 | 1971 |
| 8 | [Lumiplan](https://www.tamtam.ai/c/lumiplan) (lumiplan.com)
The company provides electronic display systems for various locations to showcase messages in real-time, enhancing communication and ambiance | Technology, Information and Media | 馃嚝馃嚪 Saint-Herblain | 252 | 1972 |
| 9 | [MADIC SAS](https://www.tamtam.ai/c/madic-sas) (groupe.madic.com)
A French leader in payment and petrol equipment and services, providing customized solutions for gas stations, renovations, and compliance updates across France, Spain, and Belgium | Oil and Gas | 馃嚝馃嚪 Nantes | 237 | 1971 |
| 10 | [Vaillant Group France](https://www.tamtam.ai/c/vaillant-group-france) (jobs.vaillant-group.com)
Development and manufacturing of heating and cooling systems focused on renewable energy, providing comfort and customized solutions in France. | Renewable Energy Equipment Manufacturing | 馃嚝馃嚪 Nantes | 205 | |
| 11 | [Polysoude S.A.S](https://www.tamtam.ai/c/polysoude-s-a-s) (polysoude.com)
Designs, manufactures, and markets equipment for arc welding processes in various industries worldwide, with a focus on high-quality, innovative solutions | Automation Machinery Manufacturing | 馃嚝馃嚪 Nantes | 195 | 1961 |
| 12 | [IMA PROTECT](https://www.tamtam.ai/c/ima-protect) (imaprotect.com)
Company provides remote monitoring services to protect families, homes, and valuables, focusing on risk prevention and simplifying security. | Individual and Family Services | 馃嚝馃嚪 Nantes | 177 | |
| 13 | [SIDES](https://www.tamtam.ai/c/sides-saint-nazaire) (sides.fr)
A global provider of innovative and quality firefighting vehicles for airport, industrial, and civil defense markets with over 65 years of experience | Industrial Machinery Manufacturing | 馃嚝馃嚪 Saint-Nazaire | 173 | 1951 |
| 14 | [WIRQUIN FRANCE](https://www.tamtam.ai/c/wirquin-france) (wirquingroup.com)
Design and manufacture water-efficient plumbing and sanitary products enhancing comfort, hygiene, and space-saving in bathrooms and kitchens. | Plastics Manufacturing | 馃嚝馃嚪 Carquefou | 162 | 1977 |
| 15 | [Ecov](https://www.tamtam.ai/c/ecov) (ecov.fr)
Development and provision of connected carpooling stops and turnkey solutions for local authorities and companies to promote collective transport. | Truck Transportation | 馃嚝馃嚪 Nantes | 148 | 2014 |
| 16 | [COFIDUR SEICO](https://www.tamtam.ai/c/cofidur-seico) (seico.fr)
Expertise in electronics manufacturing providing innovative product solutions for industry, IoT, security, automotive, and energy sectors. | Appliances, Electrical, and Electronics Manufacturing | 馃嚝馃嚪 Malville | 142 | 1981 |
| 17 | [Secodi](https://www.tamtam.ai/c/secodi) (secodi.fr)
SECODI supplies engine parts, integrates power solutions, and provides services for various sectors, specializing in PERKINS庐 diesel engines in multiple countries | Industrial Machinery Manufacturing | 馃嚝馃嚪 Nantes | 140 | 1978 |
| 18 | [HALGAND](https://www.tamtam.ai/c/halgand) (groupe-halgand.com)
An industrial group specializing in aerospace, defense, space, and rail sectors, providing global technical solutions for design, manufacturing, machining, forming, and assembly | Aviation and Aerospace Component Manufacturing | 馃嚝馃嚪 Saint-Br茅vin-les-Pins | 139 | 1974 |
| 19 | [EUROPE TECHNOLOGIES](https://www.tamtam.ai/c/europe-technologies) (europetechnologies.com)
This group offers expertise in industrializing and manufacturing composite and metallic parts, designing robot cells and machines for various processes, and providing international MRO services across industries. | Industrial Machinery Manufacturing | 馃嚝馃嚪 Carquefou | 116 | 1998 |
| 20 | [KUHN - HUARD S.A.](https://www.tamtam.ai/c/kuhn-huard-s-a)
A machinery company in France specializing in manufacturing a variety of equipment, located in Chateaubriant | Machinery Manufacturing | 馃嚝馃嚪 Chateaubriant | 99 | |
| 21 | [Definox Group](https://www.tamtam.ai/c/definox-group) (definox.com)
A leading manufacturer of stainless steel valves and equipment for food, cosmetics, pharmaceutical, and fine chemicals industries, offering customized solutions and services globally | Manufacturing | 馃嚝馃嚪 Clisson | 97 | 1968 |
| 22 | [dVine](https://www.tamtam.ai/c/dvine) (d-vine.com)
provides a connected wine dispensing system delivering Grands Crus by the glass at perfect temperature and aeration for hospitality venues and private users | Beverage Manufacturing | 馃嚝馃嚪 Saint-Aignan-Grandlieu | 94 | 2012 |
| 23 | [BOBCAT FRANCE](https://www.tamtam.ai/c/bobcat-france) (bobcat.com)
Design, manufacture, and distribute telescopic handlers for construction and agriculture sectors with focus on innovation and quality. | Machinery Manufacturing | 馃嚝馃嚪 Pontch芒teau | 87 | 1920 |
| 24 | [ATIB](https://www.tamtam.ai/c/atib) (atib.fr)
Specialized supplier of ventilation and air treatment equipment, providing innovative products focused on energy savings, air quality, and comfort. | Construction | 馃嚝馃嚪 Sainte-Luce-sur-Loire | 77 | 1973 |
| 25 | [LOIRETECH](https://www.tamtam.ai/c/loiretech) (loiretech.com)
Designs and manufactures tooling for forming and finishing metal, composite, and thermoplastic materials for transportation, defense, and energy markets Provides innovative, sustainable solutions | Aviation and Aerospace Component Manufacturing | 馃嚝馃嚪 Bouguenais | 75 | 1988 |
| 26 | [Beem](https://www.tamtam.ai/c/beem-nantes) (beemenergy.fr)
Helping individuals take charge of their energy consumption and accelerate the transition to cleaner energy sources for homes | Solar Electric Power Generation | 馃嚝馃嚪 Nantes | 70 | 2018 |
| 27 | [Weenat](https://www.tamtam.ai/c/weenat) (weenat.com)
Weenat provides simple, mobile, and connected solutions for farmers, using weather and soil data to optimize decision-making from planting to harvest | Farming | 馃嚝馃嚪 Nantes | 69 | 2014 |
| 28 | [L2A Agencement](https://www.tamtam.ai/c/l2a-agencement) (l2a-agencement.com)
General contracting and bespoke furniture manufacturing for luxury, retail, corporate, hospitality, childcare, banking, healthcare sectors with French craftsmanship. | Construction | 馃嚝馃嚪 Basse-Goulaine | 61 | 2007 |
| 29 | [Cap-visio](https://www.tamtam.ai/c/cap-visio) (cap-visio.com)
assembly, installation, implementation of remote meeting and multi-site communication solutions for SMEs and large accounts in France | IT Services and IT Consulting | 馃嚝馃嚪 Nantes | 59 | 2008 |
| 30 | [Ultima Displays France](https://www.tamtam.ai/c/ultima-displays-france) (ultimadisplays.com)
Design and manufacture large format visual communication and display solutions including portable supports and custom modular stands for resellers. | Wholesale | 馃嚝馃嚪 Carquefou | 54 | 2009 |
## 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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## The same list elsewhere in France
- [Hardware manufacturers in France](https://www.tamtam.ai/l/hardware-companies-france) (4,256)
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- [Hardware manufacturers in the Hauts-de-Seine department](https://www.tamtam.ai/l/hardware-companies-hauts-de-seine) (199)
- [Hardware manufacturers in Bourgogne-Franche-Comt茅](https://www.tamtam.ai/l/hardware-companies-bourgogne-franche-comte) (163)
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- [Hardware manufacturers in the Is猫re department](https://www.tamtam.ai/l/hardware-companies-isere) (143)
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- [Hardware manufacturers in the Haute-Garonne department](https://www.tamtam.ai/l/hardware-companies-haute-garonne) (137)
- [Hardware manufacturers in Normandy](https://www.tamtam.ai/l/hardware-companies-normandy) (135)
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- [Hardware manufacturers in the Gironde department](https://www.tamtam.ai/l/hardware-companies-gironde) (100)
- [Hardware manufacturers in the Seine-et-Marne department](https://www.tamtam.ai/l/hardware-companies-seine-et-marne) (84)
- [Hardware manufacturers in Paris](https://www.tamtam.ai/l/hardware-companies-paris) (351)
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Source: https://www.tamtam.ai/l/hardware-companies-loire-atlantique