This list features companies in the Doubs department that conduct in-house research and development. The selection includes a mix of established industrial firms and specialized manufacturers. Notable examples include DELFINGEN, a global automotive supplier for on-board networks, and Amphenol FCi, which designs and manufactures connectors for various electronics sectors. Peugeot Motocycles Groupe is also present, known for its two and three-wheeled vehicles.
The companies demonstrate a strong presence in the automotive sector, with several firms like Flex-N-Gate Europe and Schrader Pacific Advanced Valves focusing on motor vehicle parts and manufacturing. There is also a significant representation of precision manufacturing and industrial machinery, such as R.Bourgeois, producing magnetic steel laminations, and STREIT Groupe, a machining and assembly specialist.
| # | Company | Employees | |||
|---|---|---|---|---|---|
| 1 |
CHU de Besançonchu-besancon.fr
The organization provides specialized healthcare services, conducts research, offers training for healthcare professionals, and collaborates with regional establishments in Besançon |
1,602 | |||
| 2 |
DELFINGENdelfingen.com
Global automotive supplier specializing in on-board networks protection solutions and fluid transfer tubing, with a focus on customer satisfaction and worldwide presence since 1954 |
1,440 | |||
| 3 |
Amphenol FCiamphenol-fci-besancon.com
Design and manufacture high-quality connectors in telecommunications, consumer electronics, data storage, industry, and automotive sectors with full in-house production. |
1,097 | |||
| 4 |
Flex-N-Gate Europeflex-n-gate.com
Manufacturing and supplying high-quality automotive external parts including plastic, metal, assembly, and lighting with extensive R&D and production facilities. |
457 | |||
| 5 |
Peugeot Motocycles Groupepeugeot-motocycles.com
Designs and sells two and three-wheeled motorcycles, including premium French models, electric motorcycles, and historic brands, with a global network. |
355 | |||
| 6 |
SIS Manufacture de Maroquineriesis-fr.com
Development, industrialization, and production of leather goods, leather wrapping, and watch straps with tradition and innovation. |
332 | |||
| 7 | 289 | ||||
| 8 |
Zurflüh-Fellerzurfluh-feller.fr
Design, development, and manufacturing of exterior building closure components with extensive industrial integration and international market presence. |
255 | |||
| 9 |
Schrader Pacific Advanced Valvesschrader-pacific.fr
Designs and produces valves and components for automotive, industrial, and aeronautical sectors, focusing on innovative solutions for future mobility challenges. |
219 | |||
| 10 |
STREIT Groupelinktr.ee
A machining, assembly, and co-design specialist with a focus on high-quality global solutions, offering turn-key solutions and a range of services |
205 | |||
| 11 |
GUILLIN EMBALLAGESgroupeguillin.fr
Design, manufacture, and distribute standard thermoformed plastic packaging for food industry professionals across Europe, focusing on cakes and catering. |
184 | |||
| 12 |
R.Bourgeoisrbourgeois.fr
Production and supply of high precision magnetic steel rotor and stator lamination assemblies for electric motors, generators, and transformers worldwide. |
176 | |||
| 13 |
PEUGEOT SAVEURS SNCfr.peugeot-saveurs.com
Design and production of spice and coffee mills, wine accessories, ceramic ovenware, and offering exceptional spices with sustainable practices. |
133 | |||
| 14 |
MANTIONmantion.com
Design, manufacture, and distribution of sliding systems for doors, gates, and shutters serving residential and industrial construction markets worldwide. |
131 | |||
| 15 |
JTEKT COLUMN SYSTEMS FRANCEjtekt-cs.fr
An automotive supplier specializing in steering columns with 400 employees, part of the global FUJIKIKO Group based in Japan Recruiting in various sectors Visit website |
128 | |||
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. | |||||
| 16 |
MARCEAUmarceau.fr
Design and manufacture of robust continuous handling systems for internal logistics, optimizing processes with automation in various industrial sectors. |
99 | |||
| 17 |
Micro-Mega SAmicro-mega.com
A globally recognized company specializing in designing, manufacturing, and selling high-quality dental surgery devices since 1905, with a focus on endodontic products made in France |
98 | |||
| 18 |
Staticestatice.com
Design, development, and production of customized medical implants and instruments using advanced microtechniques and biomaterials for various specialties. |
94 | |||
| 19 |
AUGE MICROTECHNIC GROUPaugemicrotechnic.com
Specializes in development, tooling, cutting, slitting, injection molding and overmolding, stamping, and assembly of microtechnic components. |
89 | |||
| 20 | 81 | ||||
| 21 | 77 | ||||
| 22 |
SIMONIN WOOD SOLUTIONSsimonin.com
Manufacture and export of high-quality, customized wood construction components with advanced technology and extensive international experience since 1967. |
72 | |||
| 23 |
CRYLA GROUPcryla-group.com
Cryla Group specializes in high-precision microtechnical subcontracting, industrializing innovative solutions for demanding markets such as Aerospace, Medical, Luxury, and Industry |
70 | |||
| 24 |
Alliance MIMalliance-mim.com
Design and manufacture of innovative technological solutions using metal and ceramic powder injection and sintering for high-value small technical assemblies. |
68 | |||
| 25 |
GROUPE MAILLARD INDUSTRIEgroupgmi.com
Specialized industrial group in plastic and metal transformation, offering custom solutions across diverse sectors with innovation and expertise. |
67 | |||
| 26 |
RD-BIOTECHrd-biotech.com
French CRO specializing in biomanufacturing of plasmids, monoclonal antibodies, recombinant proteins, and cells Services include antibody engineering, analytical services, and FastELISA kits development |
67 | |||
| 27 |
DIXI microtechniquesdiximicrotechniques.com
Manufacturing high-precision microtechnology components and solutions for various industries, focusing on quality and advanced engineering techniques. |
65 | |||
| 28 |
Pixee Medicalpixee-medical.com
Development of augmented reality smart glasses and software for precise, consumable-free surgical navigation and prosthesis placement assistance. |
65 | |||
| 29 |
Digital Surfdigitalsurf.com
Provider of innovative micro and nano-surface metrology solutions with flagship Mountains Technology software for research, industrial, and production environments. |
61 | |||
| 30 |
FRALSENfralsen.fr
A precision microtechnical parts manufacturer serving high-tech industries like defense, medical, and space with expertise in design, R&D, and assembly |
53 | |||
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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 Doubs department
- The largest companies in the Doubs department 406
- Contract manufacturers in the Doubs department 56
- Manufacturers in the Doubs department 54
- Multinational companies in the Doubs department 49
- Retail chains in the Doubs department 32
- Public sector organisations in the Doubs department 31
- Hardware manufacturers in the Doubs department 27
- Family-owned companies in the Doubs department 27
The same list elsewhere in France
- Companies with in-house R&D in France 8,750
- 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 613
- 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 321
- 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