| # | Company | Employees |
|---|---|---|
| 1 |
Groupe Atlanticgroupe-atlantic.fr
Designing, manufacturing, and marketing heating, air conditioning, ventilation, and domestic hot water solutions. Innovating for durable, efficient, connected equipment and well-being. |
4,667 |
| 2 | 415 | |
| 3 |
FMGCfarinia.com
Manufacture gray iron cast counterweights and ballast solutions for marine renewable energy, material handling, agriculture, and off-highway sectors. |
345 |
| 4 |
Groupe FIDEIPfideip.fr
Industrial group specializing in mechanical engineering, offering expertise in special machines, industrial robotics, conveying, precision mechanics, and capital goods. |
322 |
| 5 |
OSE Groupose-group.com
Specializing in designing, producing, and installing custom production lines, we provide innovative solutions with a focus on efficiency and customer objectives |
305 |
| 6 |
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 |
| 7 |
RIVARDrivard-international.com
French specialist designs equipment for sanitation, public works, and industry, with over 70 years of experience in this field. |
184 |
| 8 | 173 | |
| 9 | 140 | |
| 10 |
EUROPE TECHNOLOGIESeuropetechnologies.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. |
116 |
| 11 |
SMPsmp-segre.fr
Specializes in custom and made-to-measure mechanical parts machining for aeronautics, electronics, railway, naval, defense, amusement parks, and medical sectors. From single units to small/medium series. |
113 |
| 12 |
Equans Digital Robotics & Automation ( SEA Productique & EDRI)equans-digital.com
With over 20 years of experience, this company is a leader in industrial process automation, offering efficient solutions globally |
89 |
| 13 |
AlliA Franceallia-europe.com
Designs, manufactures, and installs production and treatment units for liquid and gaseous fluids, including associated utilities, for various industries like chemical, energy, and pharmaceutical. |
87 |
| 14 |
SMC-Metalsmc-metal.fr
Specialized in sheet and tube cutting, CNC bending, tube bending, tapping, fine sheet metal work, welding, shot blasting, painting. |
86 |
| 15 |
ORATECH - Europe Technologies grouporatech-et.fr
Provides multi-solution machining for high-tech metallic and composite products, serving demanding industries like aeronautics, naval, defense, nuclear, and automotive. |
79 |
| 16 | 77 | |
| 17 |
SECMAIR Fayat Groupsecmair.fayat.com
Manufacturer specializing in road maintenance equipment They produce products and tools for repairing and maintaining roads and infrastructure |
71 |
| 18 |
MONTANIERmontanier.com
A French family-owned company with 50 dedicated employees specializing in designing, manufacturing, installing, and maintaining a wide range of equipment nationwide |
65 |
| 19 |
JOGAM Composantsjogam-composants.fr
Specializes in distribution and supply of electronic components, providing tailored solutions and support for various industrial and technological applications. |
64 |
| 20 |
STIA, Services de Technologies Industrielles Atlantiquestia-france.fr
A company based in St Luce/Loire providing industrial maintenance, transfer, and piping solutions, emphasizing lasting relationships with clients, partners, and teams |
61 |
| 21 |
Morillon Systemsmorillonsystems.com
Manufacturing and engineering company specializing in designing and producing silo unloaders and sweep augers for various materials like cereals and seeds |
57 |
| 22 |
Groupe SITgroupesit.com
Specializing in process and utilities integration for industries like food, cosmetic, and pharmaceutical Over 32 years of experience providing turnkey projects worldwide Values: flexibility, quality, safety |
56 |
| 23 |
Groupe Nadiagroupe-nadia.com
Industrial group with four specialized branches: outdoor home equipment, road signage, professional kitchen machinery, and regulation/automation equipment for agriculture and industry. |
56 |
| 24 |
COMETI GROUPEcometi.fr
Specializes in industrial boiler construction, installation, and maintenance, offering comprehensive thermal solutions, parts, and 24/7 burner services for steam and hot water production. |
56 |
| 25 |
DAO Bureau d'Etudesdao-be.com
A full-service engineering consulting firm specializing in providing tailored solutions for public agencies and private sector companies since 2003 |
54 |
| 26 |
ADECAM INDUSTRIEadecam-industrie.com
Specialized subcontracting in metal cutting, stamping, sheet metal work, powder coating, welding, and assembly with focus on quality and lean manufacturing. |
54 |
| 27 |
Cronite Mancellecronite-group.com
Global leader in heat treatment and incineration furnace tooling markets. Specializes in designing, producing nickel and chrome alloy cast components. |
52 |
| 28 |
CEMA Technologiescema-technologies.fr
Manufacture multi-cavity molds with over 128 cavities specifically designed for drug delivery devices, serving the pharmaceutical industry. |
50 |
| 29 |
GROUPE IWFiwf-france.com
Industrial group specializing in energy, gas treatment, bulk product handling and storage, focusing on innovation, sustainability, and global client service. |
48 |
| 30 |
Cosnet Industriescosnet-industries.com
Manufacturing group with 250 employees operating 4 factories specializing in metallurgy, plastic molding, and galvanization across 14.5 hectares. |
47 |
| 31 |
Bolloré Protectionbollore.fr
Design, manufacture, and installation of innovative security devices for access control, flow management, and protection of people and property. |
45 |
| 32 |
CETh Conception d'Equipements Thermiqueceth.eu
A French company specializing in heat treatment services including pre and post welding, equipment supply, and training for various industries |
45 |
| 33 |
SAS BERTHAUDsas-berthaud.fr
Family-owned subcontracting company with over 70 years of experience in general mechanics Fully autonomous in the production process, from design to painting |
41 |
| 34 | 40 | |
| 35 |
DELTA MECAdeltameca.fr
Precision mechanical engineering company excelling in custom parts production, with 47 employees dedicated to meeting unique client demands, operating as a cooperative |
39 |
| 36 | 39 | |
| 37 |
Nauleaunauleau.fr
Specializing in designing, manufacturing, and installing conveyor and handling systems, also offering maintenance, automation, subcontracting services to various industrial sectors since 1996 |
36 |
| 38 | 36 | |
| 39 |
SERVI-LOIRE INDUSTRIEservi-loire.com
A company specializing in metalworking, mechanical engineering, and custom projects for various industrial sectors, providing services such as design, fabrication, and installation |
36 |
| 40 |
SECOFLUIDsecofluid.fr
Industrial hydraulics, automation, and mechanics expert offering integrated solutions since 1993 Distributor of top brands, providing sales, systems, service, and repair |
35 |
| 41 |
FB PROCEDESfbprocedes.com
A leading manufacturer and supplier of Bar Screens for the waste water treatment industry, offering innovative, reliable solutions with 30 years of experience worldwide |
34 |
| 42 |
AXIOME Robotic Solutionsaxiome.com
Engineering company specializing in designing and manufacturing cutting-edge robotic equipment, with expertise in integrating industrial robots and providing complete solutions for various industries since 1987 |
33 |
| 43 |
Groupe ABCMgroupe-abcm.fr
Providing custom precision machining and manufacturing solutions including prototyping, laser cutting, assembly, and logistics for diverse industrial sectors. |
33 |
| 44 |
EUROP'EQUIPEMENTeuropequipement.fr
A small company specializing in designing and constructing concrete plants, serving the BPE and prefabrication sectors in France and abroad They also developed their own automation system |
33 |
| 45 |
Réamétalreametal.com
A company specializing in complex integrations and fine sheet metal design, delivering plug & play systems worldwide with a team of 80 employees |
31 |
| 46 |
ID SYSTEMidsystem.fr
Supplier of hydraulic components including modular valves, hydraulic distributors, equipped blocks, hydraulic valves, gear pumps, and electrovalves for educational and industrial applications |
31 |
| 47 |
SA2M - Profilés aluminiumsa2m-profile.com
Specializing in transforming extruded aluminum profiles, SA2M provides services from die development to TIG/MIG welding and machining, meeting customer specifications |
30 |
| 48 |
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 |
| 49 |
CHOUTEAU ATLANTIQUEchouteauatlantique.com
Specializes in metal fabrication including boiler making, locksmithing, piping, and reservoirs with over 30 years of industry experience. |
29 |
| 50 |
BENE SOLUTIONSbene-solutions.com
Specializes in precision machining of various sizes and industrial integration, serving advanced technology clients nationally and internationally. |
29 |
| 51 |
Calpeda Pompescalpeda.com
A leading company in France specializing in water pumps for various applications including sanitary, fire, industrial, lifting, drilling, and swimming pools |
28 |
| 52 |
DUPUY ÉQUIPEMENTSdupuy-equipements.com
Design and manufacture of advanced smoke extraction equipment with integrated engineering, production, and dedicated commercial support for diverse projects. |
27 |
| 53 |
Ecloreeclore-actuators.com
A company using origami folding process to create innovative solutions for industrial challenges, offering products with a blend of robustness and lightness |
25 |
| 54 |
E-COBOTe-cobot.com
Design, manufacture, and integrate cobotics and artificial intelligence solutions focused on enhancing human performance and value in industry. |
24 |
| 55 |
SEMOSIAsemosia.com
A diverse group specializing in metalwork, industrial machinery, water treatment, and wastewater solutions with a global presence and over 200 employees |
24 |
| 56 | 23 | |
| 57 |
MAYEKAWA FRANCE | MYCOMmayekawa.eu
With over 90 years of global experience, the company is a leader in gas compression and refrigeration equipment, offering innovative and reliable products for various industries |
23 |
| 58 |
Groupe CARTELgroupe-cartel.com
Specializing in metal transformation for agriculture and industrial sectors, with a focus on manufacturing equipment for handling, storage, feeding, and maintenance |
22 |
| 59 |
Mecatec 49mecatec.fr
Specializing in precision mechanics, our company offers made-to-measure solutions for all your machining needs |
22 |
| 60 |
AAS Industriesaas-industries.fr
Specializing in high-precision machining of technical parts, assembly, wiring, and integration of electromechanical subassemblies for aerospace, defense, and medical sectors |
21 |
| 61 |
AGIA METALgroupeagia.com
Specializes in metalwork, welding, and locksmithing, manufacturing metal parts for various sectors with comprehensive equipment for design, production, and on-site assembly, including surface treatments since 2020 |
21 |
| 62 |
ALLIATECHalliatech.eu
With expertise in industrial machine maintenance and repair, using innovative solutions to enhance performance, durability, and reliability for over 400 companies |
21 |
| 63 |
DT SYSTEMESdtsystemes.fr
A machinery company based in France, specializing in various types of machinery and equipment for industrial and commercial applications |
21 |
| 64 | 20 | |
| 65 |
ARTECH - Chaudronnerieartech-meslay.fr
A specialized branch of an industrial group focusing on manufacturing various metal products from prototypes to small or medium series |
19 |
| 66 |
CERTIX Group - Industrial Solutions
A group specializing in designing and manufacturing mechanical and electromechanical parts, with expertise in precision machining, assembly, and integration for various industries |
19 |
| 67 |
OUEST COATINGpolimiroir-group.com
Specializing in thermal spray surface treatments, grinding, and brazing, serving various industries like aerospace, defense, energy, and manufacturing in both new and repair projects |
18 |
| 68 |
A2MIa2mi-49.fr
Custom industrial machine design for improved productivity, followed by ongoing maintenance and retrofit services for maximum efficiency |
18 |
| 69 |
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 |
| 70 |
Groupe DISdis-groupe.fr
Specializing in mechanical equipment development and industrial engineering, part of a group of 4 companies, providing custom technical solutions for industrial projects |
17 |
| 71 |
HT - Hexagoneht-hexagone.fr
Specializing in cutting forms, punches, and milling, we provide complete tooling design in 2D and 3D for packaging, leather, wood, and custom parts |
16 |
| 72 |
BAUBRYmetallerie-tolerie-baubry.fr
Specializing in industrial sheet metalwork, welding, and industrial painting, the company fabricates metal parts in small to large quantities using modern equipment for quality results |
16 |
| 73 |
SRA MOTEURSsra-moteur.com
Specialized in marine and industrial engine distribution, providing power solutions, training, and services in France and abroad with a strong focus on Volvo Penta products |
16 |
| 74 |
SACMO COUËRONsacmo.fr
Precision mechanical engineering and metalworking company specializing in designing and manufacturing large-scale welded parts and tools |
16 |
| 75 |
SOCIETE METALLURGIQUE DOREENNEsmdo.fr
Designs and manufactures custom industrial mechanical parts and assemblies, from single units to medium series, including large dimensions, for various industrial sectors. |
15 |
| 76 |
DIXENCEdixence.eu
Specialized in designing and manufacturing molds and blocks for rubber injection, delivering worldwide to automotive industry players, with own BCR technology and testing capabilities |
15 |
| 77 |
LUSSAULT-MECARIAlussault-mecaria.fr
Specialized in machining for demanding sectors like agri-food and oil, the company offers small to medium series, unit parts, assemblies, welding, and urgent stock-based solutions |
15 |
| 78 |
Sachot - Usinage CNCsachot.fr
Specializing in precision mechanics and mass production of machining, with expertise in fluid transportation and serial manufacturing for various industries ISO 9001 certified |
15 |
| 79 |
TECHNO MECAtechno-meca.com
Precision engineering company specializing in custom parts, offering milling, turning, welding, and boring services on-site Equipped with 3D printer and scanner for various industries |
15 |
| 80 |
EM'INOXem-inox.fr
A small-scale company offering metal fabrication services, from design to delivery, including laser cutting, bending, welding, machining, and assembly in various industries |
14 |
| 81 |
Humbird - Woodybushumbird.fr
The company is dedicated to facilitating the transition to sustainable energy by creating environmentally friendly solutions from innovative ideas |
13 |
| 82 |
Elodys Internationalelodys.eu
Elodys International provides innovative solutions for improving CIP installations through regenerating cleaning solutions, optical monitoring, and efficient washing monitoring |
13 |
| 83 |
SOCIETE NAZAIRIENNE DE MECANIQUEsnm-conception-mecanique.fr
French company, industrial mechanical engineering. Located at 87 Rue Henri Gautier, Montoir de Bretagne. Specific engineering services. |
13 |
| 84 |
OUTILLEURS ANGEVINSoutilleurs-angevins.com
Specialized in high-precision tooling and mechanical parts, the company offers precision machining, press tools, injection molds, and serves various industries |
13 |
| 85 |
GROUPE GERBOUTgroupe-gerbout.com
French company specializing in precision springs and high-end lighting accessories Over 85 years of experience, serving diverse industries with custom solutions ISO9001 and EN9100 certified |
12 |
| 86 |
ROBOT SYSTEMrobot-system.fr
Robot System based in Thouaré-sur-Loire specializes in designing and creating robotic machines for various industries, with over 300 installations They focus on handling, assembly, and finishing operations Visit their website for more information |
12 |
| 87 |
STEELPRODsteelprod.fr
STEELPROD specializes in producing parts and assemblies in steel, aluminum, or stainless steel in small to medium series, with finishing, and mechanical or electrical accessories assembly |
12 |
| 88 |
Chaudronnerie AMCTamct85.com
AMCT specializes in stainless steel and aluminum equipment for various industries, offering expertise in metalwork, piping, and mechanical maintenance services |
12 |
| 89 |
TCA GAUDINtca-gaudin.com
A company specializing in custom product design for the food industry, located in Maine et Loire, France Offers tinsmithing services and innovative work environment |
11 |
| 90 |
SETHIsethi-groupe.fr
SETHI is a family holding company specializing in industrial maintenance, with a focus on industrial furnaces, energy production, and heat networks They invest in complementary PMEs |
11 |
| 91 |
MT CONCEPTmtconcept.fr
Specializing in industrial equipment design and production, offering tailored solutions, industrial engineering, manufacturing, integration, and consulting services for various industries |
11 |
| 92 |
AC-TEC Solutionsatlantique-conception.fr
Specialist in metal transformation (steel, stainless steel, aluminum) for professional markets, with an integrated workshop and design office for general mechanical parts fabrication |
11 |
| 93 |
ATEM SASatem-industrie.com
With over 20 years of experience, this company based in Pays de la Loire region offers industrial project solutions for powder and grain transportation, manufacturing, and storage They provide full-service solutions including studies, machine procurement, parts fabrication, on-site assembly, and installation start-up They also offer spare parts and mechanical maintenance services to industries such as milling, agri-food, pharmaceuticals, cosmetics, seeds, recycling, quarries, construction, and automotive sectors in France and internationally |
11 |
| 94 |
RG STEELrgsteel-sas.com
Specialized in project management and industrial solutions, providing expertise in metalwork, piping, and mechanics from conception to delivery |
10 |
| 95 |
LEROUX LOTZ INDUSTRYlerouxlotz.com
Specializing in modular equipment for environment and oil & gas industries, we design, manufacture, and deliver complex mechanical systems for various markets |
9 |
| 96 |
AMP Atelier Mécanique de Précisionamp-usinage.com
AMP is a precision machining workshop specialized in producing prototype or series parts for various industries, offering services like turning, milling, and laser engraving |
9 |
| 97 |
MGS (Mécanique Générale Segréenne)
Specialists in mechanical prototypes and welded assemblies, providing services from design to industrialization ISO 9001 certified processes |
8 |
| 98 |
oseteamoseteam.com
A technical solutions provider in the industrial sector, offering customized equipment for handling, access, ergonomics, safety, and production processes |
8 |
| 99 |
HDS Power Solutions Francehds-france.com
HDS Power Solutions integrates hydraulic and electronic systems for off-road vehicles, offering customized solutions, troubleshooting, and specialized training to manufacturers |
7 |
| 100 |
VINCEE MECANIQUEvincee-mecanique.fr
A French mechanical engineering company specializing in industrial engineering services located in Pont St Martin, handling projects related to machinery and equipment |
6 |
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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 Oct 24, 2026.
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