| # | Company | Employees |
|---|---|---|
| 1 |
EFINORefinor.com
A group with engineering, manufacturing, and support units specializing in metal working and design, offering global services with over 850 employees |
500 |
| 2 |
CTI
Designs, manufactures, and installs custom welded and fabricated assemblies for various industries including nuclear, food, civil engineering, and pharmaceuticals. |
405 |
| 3 |
TECMA ARIEStecma-aries.com
designs and builds end-of-line packaging machines and custom automation systems, improving productivity, reliability, and flexibility for manufacturers worldwide. |
210 |
| 4 |
THIBAUT SAthibaut.fr
Develops and manufactures numerically controlled machines for cutting, polishing, and surfacing stone, granite, marble, and concrete globally. |
145 |
| 5 |
AXE GROUPaxe-group.com
A company with over 45 million euros in revenue, 400+ employees, operations in France, China, and Romania, and 25,000+ m2 across 5 sites |
129 |
| 6 |
RABAUDrabaud.com
Manufacturing log splitters, road sweepers, augers, branch crushers, pile sinkers, and concrete mixers for forestry, agriculture, and construction. |
122 |
| 7 |
SERAPID Groupserapid.com
Leading provider of Rigid Chain technology for heavy linear motion in industries like kinetic architecture, nuclear, medical, aerospace, automotive, and more worldwide |
119 |
| 8 |
2H ENERGY2henergy.fr
Specialized in energy systems, providing design, manufacturing, installation, and maintenance services for various sectors including military, nuclear, oil and gas, telecommunications, and healthcare |
111 |
| 9 |
AUXITECauxitec-ingenierie.com
Multidisciplinary teams provide engineering, project management, and technical solutions for industry, building, civil engineering, and information systems projects. |
109 |
| 10 |
iMetalimetalgroupe.fr
A 40-year-old metalworking company specializing in industrial sheet metal, welding, boiler-making, and assembly of sub-assemblies in steel, aluminum, and stainless steel |
97 |
| 11 |
PROBENTprobent.com
A Normandy-based industrial group specializing in engineering, manufacturing, assembly, maintenance of metalwork, welding, piping, mechatronics, electronics, and on-site logistical services |
97 |
| 12 | 79 | |
| 13 |
BATAILLE SAbataille-sa.fr
With 80 years of experience, the company provides industrial maintenance, waste transport, industrial cleaning, packaging, and pollution management services to French and European clients |
76 |
| 14 |
Hydronichydronic.fr
Design and manufacture of air handling units and hydraulic batteries, specializing in efficient air treatment solutions for various applications. |
71 |
| 15 |
LACMILlacmil.com
Specializing in precision industrial mechanics, LACMIL offers machining, metalwork, thermal spraying, and maintenance services for various equipment, including turbines, alternators, and compressors |
63 |
| 16 |
CCAMY SYSTEMESccamy-systemes.fr
A service company specializing in control and command system studies and projects in transportation, aerospace, energy, and agri-food sectors, offering engineering expertise |
58 |
| 17 |
Groupe SUMPARsumpar.com
specializes in supplying complex metal parts and assemblies for aerospace, offering design, machining, quality control, and assembly services |
52 |
| 18 |
CRYO DIFFUSION - QTC groupcryodiffusion.fr
Design manufacture vacuum insulated cryogenic equipment for liquid gases including nitrogen oxygen helium hydrogen with custom solutions for research space energy industry. |
52 |
| 19 |
TECHNOMAPtechnomap.fr
Dynamic tech SME specializing in electrical architecture design and development for future mobility, including automotive harnesses, prototyping, and integration for various transportation means |
41 |
| 20 |
RC SERVICErcservice.fr
A company based in Gonfreville l'Orcher, France, specializing in industrial boiler making, piping, and assembly work for various industries nationwide and internationally |
41 |
| 21 |
CALIFILcalifil.fr
CALIFIL Group specializes in bending and assembling metal wires for various industries with over 180 years of expertise in France and Poland |
39 |
| 22 |
JOUSSEAU Groupgroupe-jousseau.com
Subcontracting machining, mechanical welding, painting, and assembly for various series sizes, ensuring quality, safety, and customer satisfaction. |
39 |
| 23 |
TCEM - Equipements de maintenance industrielle et Instrumentation de Niveautcem.fr
Design, manufacture, and distribute equipment for heat exchangers, valves, piping, level control, and oil tank maintenance with global support |
36 |
| 24 |
AEI - ATMPaei-atmp.fr
Specializing in welding and machining, the company manufactures components for the agri-food and pharmaceutical industries based on client designs |
32 |
| 25 |
Serge Roger SASsergeroger.fr
With over 170 years of experience, this company specializes in industrial installations including boiler making, metalwork, handling equipment, and process equipment |
30 |
| 26 |
SIMON Frèressimon-sas.com
Specializing in butter processing and continuous mixing equipment for over 160 years, providing tailored solutions for industrial development and global export |
30 |
| 27 |
CPM Industriescpmindustries.fr
Design and manufacture of custom mechanical tooling prototypes and small series, supporting diverse industries with tailored production solutions and expert engineering. |
30 |
| 28 |
CONSTRUCTIONS MECANIQUES DE CHAMANTcmcchamant.fr
Family-owned company specializing in engineering, mechanical work, boiler making, piping, and industrial maintenance with ISO 9001 quality certification. |
29 |
| 29 |
ADIAMIXadiamix.com
Specializing in cutting, stamping, and assembly of technical parts for the industry |
29 |
| 30 |
INOXYDA - Aluminium Bronze Castingsinoxyda-foundries.com
Specializing in Aluminium Bronze Sand Casting, this company can be followed on their corporate page for updates starting December 2023 |
28 |
| 31 |
Groupe AWMgroupe-awm.com
The AWM Group was created in 2012, merging BST and LCPI to specialize in industrial plumbing and mechanical machining with over 300 employees |
28 |
| 32 |
ALU-GLASSalu-glass.com
Manufacturer of aluminum verandas, extensions, pergolas, and joinery for 25 years Specializing in high-tech craftsmanship with experienced and cohesive teams |
28 |
| 33 |
PACOSPHARMpacospharm.fr
French engineering company specializing in designing, implementing, and maintaining pharmaceuticals and cosmetics packaging lines Offers innovative solutions and in-house project execution |
27 |
| 34 |
DTMIdtmi-76.com
Our company specializes in electric motors, gear motors, and industrial maintenance with a team of 25 experienced collaborators |
25 |
| 35 |
FAMETO- Concrete industryfameto-beton.fr
French manufacturer specializing in concrete industry solutions since 1984, offering design, manufacturing, installation services for batching plants, machines, and moulds globally |
24 |
| 36 |
ALBAXalbaxmeca.com
A precision machining and mechanical assembly company since 2002, dedicated to ensuring quality, with ISO 9001 certification, serving various industries with expertise and diverse machinery |
24 |
| 37 |
USINAGE DIEPPOISusinage-dieppois.fr
Mechanical engineering company based in France specializing in industrial engineering services |
23 |
| 38 |
EREMerem-sa.fr
Specialized in precision machining, manufacturing, maintenance, and assembly of complex mechanical parts for industrial sectors including aerospace and energy. |
22 |
| 39 |
MALLARD - Mécanique Industriellemallard-sa.fr
Specializes in industrial mechanics: high-tech repair and manufacturing of mechanical parts and assemblies. Serves energy, rotating machinery, chemical/petrochemical, and aeronautics sectors. |
21 |
| 40 |
SCORTEL - Tôlerie fine de précisiontoleriefine-scortel.com
Specializing in sheet metal design and fabrication for electronics, offering expertise in precision sheet metal parts, mechanical integration, and welding assembly services since 1988 |
20 |
| 41 |
FACNOR, INNOVATIVE FURLING SOLUTIONSfacnor.com
Worldwide leader in designing and manufacturing innovative furling systems for various industries, including nautical, racing, cruising, and charter sailing Join our team of innovators! |
20 |
| 42 |
NORMAN SAnorman-sa.fr
The company specializes in industrial engineering, designing and manufacturing processes with special machines that combine mechanics, hydraulics, pneumatics, and automation |
18 |
| 43 |
SNOP61snop61.com
A mechanical and industrial engineering company located in ATHIS DE L ORNE, France, specializing in providing innovative solutions and services |
16 |
| 44 |
DEREMAUXderemaux.com
Manufactures and renovates mechanical equipment, designs filling lines for liquid pouches, and sells mechanical transmission and automation components. |
15 |
| 45 |
Chaudronnerie FIAVfiav.com
This French industrial boiler-making company designs and manufactures a range of livestock equipment and custom metal structures for various applications |
13 |
| 46 |
SOFAMEsofame-usinage.fr
Specializes in mechanical machining with multi-axis turning, milling, grinding, electro-discharge, and stamping to meet demanding client requirements. |
11 |
| 47 |
Prestia GN GCX APYprestia.fr
Specializing in hot-dip galvanization and powder coating, the company offers services for protecting metal structures with high quality, environmentally friendly finishes |
11 |
| 48 |
SOMEVEsomeve.com
A manufacturing company specializing in metal blanking and stamping parts, serving industries like automotive, aerospace, electronics, and luxury with high-quality components |
10 |
| 49 |
HAG'TECHhag-tech.fr
Mechanical and industrial engineering company located in La Hague, France, specializing in innovative engineering solutions for various industries |
10 |
| 50 |
LEBLANC SASleblancsa.net
Specializing in precision machining for industries like nuclear, defense, oil & gas, and aerospace Services include turning, milling, and EDM |
10 |
| 51 |
Jet Productionjet-prod.fr
With over 30 years of experience, we specialize in various sectors including food, automotive, cosmetics, and electronics Our expert team ensures client satisfaction |
9 |
| 52 |
GS INDUSTRIES
Company specializing in piping, boiler-making, and metal structures for various industrial projects |
8 |
| 53 |
Techni Outillagestechni-outillages.fr
Specialized in press tooling manufacturing, prototypes, and small series of machined parts since 1993, including cutting tools, stamping, and maintenance |
8 |
| 54 | 7 | |
| 55 | 7 | |
| 56 |
FPMA Mécanique de précisionfpma.fr
Specialized since 2007 in precision machining of mechanical parts and tools for various industries, including automotive, medical, and electronics |
7 |
| 57 | 7 | |
| 58 |
Ets CH.BESSON
Specializing in the design and production of vacuum systems, heat exchangers, pressure equipment, and specialized metal structures for high-demand industries with a focus on quality and precision |
7 |
| 59 |
Groupe Risloisegrouperisloise.com
Normandy-based company specializing in packaging and thermoforming since 1984 |
6 |
| 60 |
PLANQUE SASplanque-sas.com
A precision mechanics company specializing in machining, assembly, and welding for various industries, offering custom parts from small to large scales |
6 |
| 61 |
SOWILO Technologiessowilo-technologies.com
Engineering company specialized in conception, project management, manufacturing, assembly, and commissioning Focus on scientific research projects, innovative products, and food production lines |
5 |
| 62 |
Roborativeroborative.com
The company specializes in harnessing collaborative robotics for innovative production methods, guiding clients through the industrialization of robotic systems Contact: contact@roborativecom |
4 |
| 63 |
BOLLTINNbolltinn.fr
French industrial talent for mechanical design, structural calculations, and robotic installations, offering a turnkey service for industrial site improvements. |
3 |
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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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The same list elsewhere in France
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