The companies in Concarneau are largely involved in maritime industries, including shipbuilding and fisheries, alongside professional training and sports. These are mostly mid-sized firms, with a notable presence of companies founded in the mid-20th century.
PIRIOU specializes in shipbuilding, CFTO - Compagnie Française du Thon Océanique sas focuses on sustainable tuna fishing, Actemium Marine provides electric and hybrid propulsion systems for the maritime industry, and US CONCARNEAU is a football club. Synapsy develops cash register and management solutions for food service and retail. A common thread among many of these companies is their connection to the sea, either directly through their activities or by supporting related sectors.
| # | Company | Employees | |||
|---|---|---|---|---|---|
| 1 |
PIRIOUpiriou.com
Shipbuilding, repair, naval engineering, and services for vessels up to 120m, delivered worldwide to private and public shipowners. |
408 | |||
| 2 |
CFTO - Compagnie Française du Thon Océanique sascfto.eu
Specializes in sustainable tropical tuna fishing with advanced vessels, supplying high-quality tuna globally while prioritizing marine resource conservation. |
185 | |||
| 3 |
Actemium Marineactemium-marine.com
Actemium Marine specializes in electric and hybrid propulsion systems, energy management, production, and storage for the maritime industry, offering energy-efficient solutions |
158 | |||
| 4 |
Concarneau Cornouaille Agglomérationcca.bzh
An intermunicipal structure located in Finistère, Brittany, France, comprising 9 cities and succeeding the Concarneau Cornouaille community of municipalities |
122 | |||
| 5 |
US CONCARNEAUusc-concarneau.com
A football club founded in 1911, competing in France's third division They offer VIP experiences during home matches and exclusive events for partners |
107 | |||
| 6 |
INBinstitut-nautique.com
This company is a center for nautical professionals' training, offering initial and continuing education for over 450 individuals annually, including apprenticeships, retraining, and professional development |
82 | |||
| 7 |
Synapsysynapsy.fr
Since 2005, Synapsy develops cash register and management solutions for food service and retail businesses Certified software enhances efficiency and boosts sales Offers additional services |
72 | |||
| 8 |
MerConceptmerconcept.com
Specialized in engineering, design studies, and construction of cutting-edge boats, it creates and develops innovative sports projects. |
55 | |||
| 9 |
Brasserie de Bretagnebrasserie-bretagne.fr
Crafting four main Breton beer brands with focus on quality, taste, and innovation, located in Finistère since 1998. |
47 | |||
| 10 |
Le Comptoir
A bar and restaurant located in the center of Concarneau, facing the Ville Close, offering food and drinks to guests |
44 | |||
| 11 |
adekwattsadekwatts.fr
Provider of solutions for solar photovoltaic self-consumption and energy-saving advisory services |
42 | |||
| 12 |
KAÏROS (Sailing / Environnement)kairos-jourdain.com
Specializes in composite materials, supporting low-impact projects through eco-design, project management, research and development. Also supports offshore racing and adventure sailing projects. |
31 | |||
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. | |||||
| 13 |
JFA Yachtsjfa-yachts.com
A shipyard specializing in custom and semi-custom yachts, offering new builds and refits with a focus on performance, reliability, and luxury for varied projects |
28 | |||
| 14 |
E.Leclerc Concarneaue.leclerc
Established since 1969, this hypermarket in Concarneau prioritizes customer and employee satisfaction, offering autonomy and a dynamic, innovative environment Join us! |
26 | |||
| 15 |
LEADS GENERATIONleads-generation.fr
The company helps businesses discover and choose software to improve productivity through two platforms: one for white papers and ebooks, and one for SaaS software |
25 | |||
| 16 |
Actemium Cornouailleactemium.fr
A specialized industrial electrical company offering tailored engineering, integration, production, and support services, with expertise in high and low voltage electrical engineering, renewable energies, and mechatronics |
22 | |||
| 17 |
Low-tech Lablowtechlab.org
A collaborative program documenting and promoting local low-tech solutions for widespread adoption, aimed at those interested in low-tech innovation |
20 | |||
| 18 |
BARILLEC SASactemium-marine.com
Shipbuilding company located in Concarneau, Brittany, specializing in constructing and repairing ships and marine vessels in France. |
18 | |||
| 19 |
Protection Incendie Cornouaille 29pic29.com
Specializing in marine and industrial fire safety for over 30 years, we provide expertise, systems supply, installation, maintenance, and training worldwide |
10 | |||
| 20 |
Groupe Approappro-concept.fr
Offers expertise for vehicle purchase, sale, trade-in, and extended warranties, providing tailored solutions for new and used vehicles. |
10 | |||
| 21 |
NICOT ENTREPRISESgroupe-nicot.com
Family-owned group specializing in garden centers, pet stores, cold storage, and agro-food sectors with strong local and regional presence. |
10 | |||
| 22 |
Camping Bretagne Le Cabellou Plage - Concarneau - Finistère sudle-cabellou-plage.com
A 5-star family-friendly camping in southern Finistère, offering a range of accommodations, activities, and services including a new sports field, aquatic area, and entertainment facilities |
6 | |||
| 23 |
Gold of Bengalgoldofbengal.com
A non-profit association focusing on research, development, and promotion of environmentally friendly solutions to meet human needs while respecting local resources and knowledge |
3 | |||
| 24 | 3 | ||||
| 25 |
CORNOUALIAcornoualia.bzh
Specializing in shared time workforce management, offering flexible solutions for businesses in need of part-time labor assistance |
3 | |||
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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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