The companies listed in Mayenne are primarily large, established firms, with a notable presence in food and beverage manufacturing, such as Lactalis Group and Lactalis Nestlé Ultra-Frais France. Other significant sectors include human resources with Actual group, retail with Lunivers NOZ and GEMY Automobiles, and logistics with Delanchy Transports. These companies often have a long history, with many founded before the 2000s.
The data shows a strong concentration of headquarters in Laval, indicating it as a key economic hub within the department. Examples include Collège Montmorency in higher education, Crédit Mutuel de Maine-Anjou et Basse-Normandie in banking, and Cerfrance Mayenne-Sarthe in business consulting. The Mayenne also hosts specialized manufacturing firms like Selha Group in electronics and MoldTecs in automotive parts.
| # | Company | Employees | |||
|---|---|---|---|---|---|
| 1 |
Lactalis Grouplactalis.com
produces and distributes a diverse portfolio of dairy products including milk, cheese, and butter across numerous countries, offering healthy and accessible options. |
21,783 | |||
| 2 |
Actual groupgroupeactual.eu
French group specializing in temporary work, recruitment, training, and HR solutions, supporting job seekers and companies across multiple countries. |
5,932 | |||
| 3 |
Lunivers NOZnoz.fr
European leader in destocking. Transforms unsold goods into bargains for customers. Contributes to fighting waste with regular growth and store openings. |
2,957 | |||
| 4 |
Collège Montmorencycmontmorency.qc.ca
Dedicated to the success of students, the institution provides quality education, promotes responsible citizenship, and fosters a dynamic learning environment |
985 | |||
| 5 |
Delanchy Transportsdelanchy.com
The company is a major player in transportation and logistics of fresh products with controlled temperatures, offering quality services internationally |
844 | |||
| 6 |
Crédit Mutuel de Maine-Anjou et Basse-Normandiecreditmutuel.fr
Credit Mutuel MABN is a regional bank prioritizing internal growth, providing personalized service to clients through training, mobility, and decision-making empowerment |
790 | |||
| 7 |
Daniel Moquet Signe Vos Alléesfranchise-daniel-moquet.fr
network of franchised landscape entrepreneurs specializing in designing and renovating driveways, courtyards, and terraces for homeowners |
716 | |||
| 8 |
Lactalis Nestlé Ultra-Frais Francelalaitiere.fr
Manufacturing and marketing fresh dairy products including yogurts and desserts under Nestlé and Lactalis brands in France. |
669 | |||
| 9 |
GEMY Automobilesgemy-automobiles.fr
Distributes new and used vehicles from Stellantis and Renault brands to individuals and businesses, also offers reconditioning, parts logistics, and software for auto professionals. |
479 | |||
| 10 |
Selha Groupselhagroup.com
Specializing in electronics solutions for various industries, offering industrialization, manufacturing, and design services tailored to customer needs with over 50 years of experience |
440 | |||
| 11 |
Cerfrance Mayenne-Sarthecerfrance.fr
A consulting and accounting firm providing comprehensive services to various business sectors, focusing on innovation and future preparation for entrepreneurs |
406 | |||
| 12 |
Centre hospitalier de Lavalchlaval.fr
The company is a healthcare facility in the Pays de la Loire region, serving a population of 340,000 with a team of 2,500 healthcare professionals |
403 | |||
| 13 |
MoldTecsmoldtecs.com
Global supplier of high-performance plastic parts for automotive industry, serving leading OEMs with air intake manifolds, air lines, fluid reservoirs Multiple production facilities worldwide |
389 | |||
| 14 | 356 | ||||
| 15 |
DIRICKXdirickx.com
A global leader in perimeter protection solutions, offering fences, gates, access control, and security products, with over 90 years of experience |
356 | |||
| 16 |
MPO Internationalmpo-international.com
An international industrial group based in France that designs, produces, packs, and distributes emotionally valuable objects for Entertainment, Beauty, and Fine foods markets |
330 | |||
| 17 |
Ergosergos-insertion.fr
The company operates a network of temporary work agencies focused on social inclusion, fighting workplace discrimination, with a goal of nationwide coverage |
276 | |||
| 18 |
Groupe BREGERbreger.fr
Independent European company specializing in transport organization, groupage, collection, and distribution with economic and sustainable logistics solutions. |
268 | |||
| 19 |
Lactel Francelactel.fr
Support agricultural sectors growth, promote environmental preservation, encourage healthy eating habits, and foster employee development within the agricultural industry. |
256 | |||
| 20 |
COFIDUR EMScofidur-ems.com
Electrical and electronic manufacturing company located in Laval, France, specializing in producing electronic components and assemblies for various industries. |
246 | |||
| 21 |
LIDER TRIGANOlider.fr
Designs and manufactures a wide range of trailers for personal and professional use, including leisure, gardening, agriculture, and construction. |
244 | |||
| 22 |
ELEKTO x TMEalliance-electronics.com
Specializing in producing prototypes of small to medium series of high-value electronic cards, assemblies, and complex sub-assemblies |
243 | |||
| 23 |
VIVRE ADOM – Aide à la personnevivre-adom.com
MAINTIEN ADOM provides comprehensive home care services to support elderly and disabled individuals in maintaining their autonomy and independence |
234 | |||
| 24 |
Seenoviaseenovia.fr
Offers tailored consulting and services to farmers in Pays de la Loire and Charente-Maritime, aiding project development, livelihood, and future challenges. |
204 | |||
| 25 |
JANVIER LABSjanvier-labs.com
Dedicated to supporting research and advancing healthcare for a better future through a culture of excellence |
198 | |||
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. | |||||
| 26 |
Chocolaterie MONBANAmonbana.com
French family business specializing in diverse chocolate products including powder, bars, drinks, cooking ingredients, and gift specialties. |
178 | |||
| 27 |
Prolians Beauplet Languillemagasin.prolians.fr
Distributes professional tools, hardware, protective equipment, and building materials for construction, plumbing, and outdoor projects across multiple locations in Western France. |
177 | |||
| 28 | 169 | ||||
| 29 |
Groupe SERAPgroupeserap.com
Specialises in stainless steel boiler-making, heat exchange systems, milk coolers, wine-making, cryogenic and freezing equipment for food, pharmaceutical, cosmetics industries. |
165 | |||
| 30 |
Green Powergreenpower-technologie.com
Global provider of solar PV, energy management, and e-mobility solutions, accelerating innovative, secure, and sustainable energy and mobility adoption through high-value products and services |
151 | |||
| 31 |
Ville de Laval - Francelaval.fr
Municipal entity promoting cultural heritage, historical preservation, and artistic identity within the urban environment of Laval. |
145 | |||
| 32 |
Hyper U Mayennemagasins-u.com
Historical hypermarket in Mayenne, France, serving the local community for nearly 50 years with a wide range of products |
128 | |||
| 33 |
OUEST ACROouestacro.fr
This company specializes in rope access work across various sectors like urban, industrial, nuclear sites, and historical monuments, including construction, assembly, and natural risk management. |
118 | |||
| 34 |
Centre Hospitalier du Nord Mayennech-mayenne.fr
A public health facility located in North-Mayenne, providing medical care and services to the community |
118 | |||
| 35 |
POLYCLINIQUE DU MAINEpolyclinique-maine.fr
A private medical-surgical facility in Mayenne, France, focusing on quality care, technology, and patient satisfaction within a group fostering collaboration and innovation |
117 | |||
| 36 |
Adapei53adapei53.fr
A parental association dedicated to promoting social inclusion of individuals with intellectual disabilities and supporting their families |
110 | |||
| 37 |
IUT de Lavaliut-laval.univ-lemans.fr
Part of Le Mans University, the IUT de Laval offers Bac+3 technological and professional training in biology, computer science, multimedia, and commerce Various diploma programs available Also active on Facebook, Twitter, YouTube, and Instagram |
107 | |||
| 38 |
Mayenne Communauté et Mayenne Villemayenne-communaute.net
Community prioritizing economic growth, cultural activities, sports, and cooperative spirit, offering a pleasant rural lifestyle near major cities and the sea. |
107 | |||
| 39 |
AMBROISE BOUVIER TRANSPORTSambroise-bouvier.com
International Trade and Development company based in France, specializing in transportation services for businesses operating globally |
105 | |||
| 40 |
Algorithme Pharma | An Altasciences Companyaltasciences.com
This organization provides preclinical and clinical research services, including a range of scientific and regulatory expertise for drug development |
104 | |||
| 41 |
PALAMATIC PROCESS Francepalamaticprocess.fr
Designing equipment and complete lines for powder handling, offering tailored solutions for various industries including food, chemical, and construction. |
102 | |||
| 42 |
MAYENNE HABITATmayenne-habitat.fr
Management and development of social housing including construction, maintenance, urban renewal, and rental services across multiple communes in Mayenne. |
102 | |||
| 43 |
GROUPE PRONUPTIApronuptia.com
A family-owned business with two complementary brands, operating over 100 stores in the marriage industry, offering a wide range of services to brides |
99 | |||
| 44 |
ROSSIGNOLrossignol.fr
Designs and manufactures waste collection and hygiene products for urban spaces, emphasizing customization, sustainability, and compliance with regulations. |
98 | |||
| 45 |
Groupe MAINEgroupe-maine.com
Manufacturing and marketing innovative, high-quality products in extrusion, fencing, and closure sectors with advanced technology and complementary expertise. |
90 | |||
| 46 | 90 | ||||
| 47 |
Maisons Socorensocoren.fr
Constructs over 500 individual homes annually in Grand-Ouest France, guiding clients from project study, financing, land search, personalized plans, to construction follow-up. |
86 | |||
| 48 |
CPAM de la Mayenne (Assurance Maladie)assurance-maladie.ameli.fr
A health insurance company in Mayenne, France, supports 250,000 individuals with healthcare expenses, promoting well-being and providing assistance during difficult times |
86 | |||
| 49 |
SMC-Metalsmc-metal.fr
Specialized in sheet and tube cutting, CNC bending, tube bending, tapping, fine sheet metal work, welding, shot blasting, painting. |
86 | |||
| 50 |
Groupe Rapidocorporate-rapido.com
Design and manufacture of innovative recreational vehicles including motorhomes and camper vans, focusing on quality, style, and customer satisfaction. |
84 | |||
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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 Mayenne department
The same list elsewhere in France
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