These companies are primarily mid-sized and large firms with in-house R&D in Sarthe, focusing on manufacturing, healthcare, and education. Noteworthy examples include Groupe LDC, a leading French poultry group; Centre Hospitalier du Mans, a comprehensive healthcare provider; Le Mans Université, offering diverse educational programs; and SCHOTTEL, which designs and manufactures propulsion systems for marine applications. These organizations represent key sectors driving innovation in the region.
The data reveals a strong presence of manufacturing companies, particularly in machinery and food production. ARO Welding Technologies specializes in resistance welding technology, while ESPRI RESTAURATION focuses on cooked meals and catering products. ODYSSEE Environnement specializes in sustainable water management, and MACH'TEL Groupe UNISTA designs automated and robotic machines. Many of these companies are established, with several founded before 2000, indicating a mature industrial base.
| # | Company | Employees | |||
|---|---|---|---|---|---|
| 1 |
Groupe LDCldc.fr
Leading French poultry group with multiple brands, offering quality products focused on health, origin, and accessible prices nationwide. |
1,642 | |||
| 2 |
Centre Hospitalier du Mansch-lemans.fr
Provides comprehensive healthcare services with 1658 beds, offering general medical, surgical, and emergency care to patients. |
1,305 | |||
| 3 |
Le Mans Universitéuniv-lemans.fr
Offers diverse labor-market-oriented programs, conducting research and teaching activities with global partners across two campuses, promoting student and researcher mobility. |
1,228 | |||
| 4 |
SCHOTTELschottel.de
Design and manufacture of azimuth propulsion and complete propulsion systems for ships and offshore applications with global sales and service. |
483 | |||
| 5 |
ARO Welding Technologiesarotechnologies.com
Specialist in resistance welding technology providing robotic and manual guns, stationary machines, and control equipment for automotive and manufacturing industries. |
256 | |||
| 6 | 215 | ||||
| 7 |
ESPRI RESTAURATIONespri-restauration.fr
specialized in cooked meals, meats, sauces, and tailored catering products for social, commercial, and healthcare foodservice sectors. |
156 | |||
| 8 |
ODYSSEE Environnement | Water Treatmentodyssee-environnement.fr
A company specializing in sustainable water management for industrial processes, focusing on ethical and environmentally friendly solutions, including consulting, research, development, and distribution |
112 | |||
| 9 |
FRIO Entreprise (La Sommelière, Climadiff, Avintage, Provintech, ...)groupefrio.com
Group specializing in cold trade products and custom wine cellars, offering innovative solutions, after-sales service, and compliance with standards. |
51 | |||
| 10 |
Biodevas Laboratoiresbiodevas.com
Develops natural solutions for animal and plant nutrition and health, reducing phytosanitary products and antibiotics in agriculture through plant-based alternatives. |
32 | |||
| 11 |
MACH'TEL Groupe UNISTAmachtel.fr
Design and build specialized automated and robotic machines for industries including automotive, cosmetics, pharmaceuticals, focusing on high-speed assembly of small parts. |
29 | |||
| 12 |
DUPUY ÉQUIPEMENTSdupuy-equipements.com
Design and manufacture of advanced smoke extraction equipment with integrated engineering, production, and dedicated commercial support for diverse projects. |
27 | |||
| 13 |
Sarl TECH-PROCESStech-process.fr
Specializing in manufacturing machines for the food industry, providing tailored solutions through project management, fabrication, and on-site commissioning Skilled in cooking, blending, conveying, and production processes |
24 | |||
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. | |||||
| 14 |
SICA2Msica2m.com
Specializing in industrial conveying technology, SICA2M designs, manufactures, and installs automated systems to optimize production flow for major international companies |
22 | |||
| 15 |
AVENPLASTavenplast.fr
Specialized in plastic fabrication and machining, offering turnkey solutions with an in-house design team Experts in plastic materials processing |
18 | |||
| 16 |
GECoE - Elventive Francegecoe.fr
The company specializes in supporting innovative projects combining electronics and mechanics, assisting clients with product introduction, custom machine design, electronics manufacturing, and testing equipment production |
17 | |||
| 17 |
CTTM - Centre de Transfert de Technologie du Mansalmacoustic.com
This company offers services in acoustics, materials engineering, chemistry, design engineering, and biological & medical engineering, providing custom solutions and R&D projects |
15 | |||
| 18 |
Sablé Injectiongroupe-plastivaloire.com
Specialized in plastic parts production through injection molding for consumer products, particularly automotive interiors, with over 30 years of experience in various industries |
15 | |||
| 19 |
Buki Francebukifrance.com
Designs and distributes scientific and creative educational toys for children, supporting learning through experiments and thematic kits. |
14 | |||
| 20 |
MPS - Métallerie Planage Sarthoismps-72.fr
MPS manufactures steel, stainless steel, and aluminum parts for various industries, as well as subassemblies and custom-built machines designed in-house |
13 | |||
| 21 |
Clémence & Vivienclemenceetvivien.com
Offering organic, eco-responsible, vegan skincare and hygiene products made in France with natural ingredients and no petrochemicals. |
12 | |||
| 22 |
Almacousticalmacoustic.com
Specializes in acoustics research and development, innovative solutions, and testing services, building on a foundation of former CTTM expertise |
11 | |||
| 23 |
WRF Innovationwrf-innovation.fr
Innovative product development, industrial process automation, and various engineering services including design, electrical, and fluid mechanics for small to medium series production |
6 | |||
| 24 |
PHYTEC Francephytec.fr
A company in France acts as a technical and commercial bridge between its German counterpart and French clients, offering representation, distribution, and specialized development |
4 | |||
| 25 |
Qairos Energies | Biomass technologies and solutionsqairos-energies.com
Qairos Energies is a bioeconomy company specializing in biomass solutions, producing biogas locally for a sustainable circular economy |
2 | |||
| 26 | 2 | ||||
| 27 |
ELVENTIVE FRANCE Defence & Aerospacebelink-solutions.com
An innovative electronics manufacturer offering prototyping, industrialization, EMS manufacturing, and PCB assembly for defense and aerospace industries |
1 | |||
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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.
More company lists in the Sarthe department
- The largest companies in the Sarthe department 331
- Retail chains in the Sarthe department 43
- Manufacturers in the Sarthe department 36
- Multinational companies in the Sarthe department 25
The same list elsewhere in France
- Companies with in-house R&D in France 8,749
- Companies with in-house R&D in Île-de-France 2,695
- Companies with in-house R&D in Auvergne-Rhône-Alpes 1,460
- Companies with in-house R&D in Occitanie 680
- Companies with in-house R&D in Grand Est 640
- Companies with in-house R&D in Provence-Alpes-Côte d'Azur 612
- Companies with in-house R&D in Nouvelle-Aquitaine 566
- Companies with in-house R&D in the Hauts-de-Seine department 510
- Companies with in-house R&D in the Rhône department 509
- Companies with in-house R&D in Pays de la Loire 480
- Companies with in-house R&D in Hauts-de-France 410
- Companies with in-house R&D in Brittany 366
- Companies with in-house R&D in the Haute-Garonne department 323
- Companies with in-house R&D in the Bouches-du-Rhône department 320
- Companies with in-house R&D in the Isère department 304
- Companies with in-house R&D in Bourgogne-Franche-Comté 261
- Companies with in-house R&D in the Nord department 237
- Companies with in-house R&D in Normandy 227
- Companies with in-house R&D in the Gironde department 225
- Companies with in-house R&D in the Loire-Atlantique department 207
- Companies with in-house R&D in the Essonne department 198
- Companies with in-house R&D in Centre-Val de Loire 195
- Companies with in-house R&D in Paris 1,249
- Companies with in-house R&D in Lyon 192