| # | Company | Employees |
|---|---|---|
| 1 |
Groupe Ponticelli Frèresponticelli.com
Provides mechanical, piping, and lifting services globally, designing, building, modernizing, and maintaining production installations for energy, industrial, and infrastructure sectors. |
2,220 |
| 2 |
De Dietrichdedietrich.com
Global leader in design, supply of systems, process equipment, solutions for pharma, food, green chemistry, and chemical industries. |
533 |
| 3 | 494 | |
| 4 |
SODI Maintenance et Services Industrielssodi.fr
Provides comprehensive industrial maintenance and cleaning services, specializing in high-pressure cleaning and petroleum work across various sectors like chemicals, refining, and automotive. |
431 |
| 5 |
BDR THERMEA FRANCE
Provides innovative heating, air-conditioning, and domestic hot water solutions through well-known French brands focused on sustainable thermal comfort. |
417 |
| 6 | 338 | |
| 7 |
ALSYMEXalsymex-alcen.com
Designing, manufacturing, and installing complex mechanical systems and equipment for diverse sectors including nuclear, aerospace, defense, and medical industries. |
329 |
| 8 |
FERRY-CAPITAINferry-capitain.com
Design and manufacture custom heavy industry parts for sectors including cement, mining, energy, siderurgy, environment, aeronautics, and offshore. |
175 |
| 9 |
AITS (Atelier Industriel de Tôlerie et de Soudure)aits49.fr
Sheet metal work, fine sheet metal, boilermaking, and welding services. Full project support from prototyping to small and medium series production. |
175 |
| 10 |
Baumertbaumert.fr
Specialist in technical doors for protecting sensitive sites, with 50 years experience in nuclear and industry Designs high-security doors meeting strict standards |
161 |
| 11 |
POK SASpok-fire.com
A French manufacturer of fire-fighting equipment for various industries, exporting to over 90 countries, with a wide range of products and quality certifications |
152 |
| 12 |
Maguinmaguin.com
Design and manufacture of industrial machinery and technology for sugar, fertilizers, biomass, energy, waste, and various heavy industries worldwide. |
136 |
| 13 |
SPRgroupe-spr.com
SPR is an industrial group specializing in precision machining located in Mulhouse, Alsace They work with various industries, providing innovative mechanical engineering solutions |
120 |
| 14 |
DE DIETRICH THERMIQUEdedietrich-thermique.fr
Providing high-performance, energy-efficient thermal comfort solutions with low environmental impact and elegant design, leveraging long-standing expertise and innovation. |
117 |
| 15 |
A2A - L'alternative de l'ascenseura2a-ascenseurs.fr
Specializes in installation and maintenance of elevators, stairlifts, and lifting platforms with innovative, cost-effective solutions across France. |
108 |
| 16 | 101 | |
| 17 |
INDUSTRELECindustrelec.com
It provides multitechnique solutions for industrial projects, focusing on testing equipment and maintaining strong international partnerships for client support. |
97 |
| 18 |
NEWTEC BAGnewtecbag.com
Design and manufacture of reliable bag palletizing systems and complete end-of-line solutions for agro, chemical, and construction industries worldwide. |
90 |
| 19 |
NORCAN SASmynorcan.com
Design and manufacture of custom modular aluminum profile solutions for ergonomic workspaces, workflow optimization, and Industry 4.0 integration. |
89 |
| 20 |
AMPI Agence de Maintenance et de Prestations Industriellesampifrance.com
Specializing in industrial maintenance, the company offers preventive, corrective, and improvement services for electrical, mechanical, hydraulic, and pneumatic systems They also provide emergency assistance and flexible maintenance solutions |
77 |
| 21 |
Sitral Industrie SAsitralindustrie.fr
Specializes in metal fabrication, industrial maintenance, piping, and general mechanics with a mobile team serving France and abroad. |
76 |
| 22 |
Ziemexziemex.com
Design and manufacture of heavy-duty equipment in stainless steels and nickel alloys for various industries including food, chemical, pharmaceutical, and space Specializing in pressure vessels and reactors |
72 |
| 23 |
SMAC - Société Mécanique et d'Assemblage de Chanoyateliers-smac.fr
Specializing in custom manufacturing and assembly of mechanical parts, working with various materials such as tool steels, stainless steels, and plastics |
68 |
| 24 |
WATwat.digital
Provides engineering and design services in instrumentation, electrical engineering, automation, mechanics, and industrial IT, supporting clients with high-value projects. |
65 |
| 25 |
Groupe Mascimasci.fr
Specializes in industrial paint application, technical coatings, and hazardous material treatment to protect, extend lifespan, and dismantle critical equipment. |
64 |
| 26 |
Mecanyvoismecanyvois.com
MECANYVOIS provides fully integrated engineering and tooling solutions for global leaders in aerospace, automotive, energy, and mechanical industries with precision machining capabilities |
62 |
| 27 | 62 | |
| 28 |
LASERJETlaserjet.fr
Specializing in laser and water jet cutting of metal, plastic, and organic parts, as well as sheet metal work Offers diverse products for various industries |
57 |
| 29 |
ProMinent France SASprominent.fr
Manufacturer of liquid metering components and systems, providing innovative solutions and services for efficient and safe water treatment worldwide. |
56 |
| 30 |
Groupe SOLSIsolsi-cad.fr
The Group provides engineering services in mechanical design, simulation, product development, 3D scanning, and structural analysis to industrial clients worldwide |
56 |
| 31 |
HUSSOR SAShussor.com
Design, manufacture, and sale of ergonomic metal formwork and work platforms with innovative, durable, and safety-focused solutions for construction. |
54 |
| 32 |
Ergodeveloppementergodeveloppement.com
With over 20 years of experience, we offer tailored solutions for industrial needs including studies, maintenance, and fabrication services |
53 |
| 33 |
COMMECA Anjoucommeca.com
A precision mechanical company located in Beaucouze, France, specializing in precision machining and located in the Angers-Beaucouze industrial zone |
53 |
| 34 |
MANQUILLET PARIZEL (MPS)manquillet-parizel.fr
Manufacturing forged parts for railway industry including forging, machining, heat treatment, welding, painting, and assembly processes with 80 employees. |
52 |
| 35 |
SMI Drulingensmi-drulingen.fr
Specialized in producing heavy pressure vessels and metal structures with large dimensions for industries like mining, energy, and offshore equipment |
51 |
| 36 |
RESSORTS MASSELINmasselin.com
Technical leader in engineering and manufacturing springs, torsion bars, and sub-assemblies with elastic properties for aerospace, energy, transportation, and industry sectors. |
51 |
| 37 |
Concept Métalconceptmetal.fr
Specializing in boilermaking, fine sheet metal work, welded assemblies, laser and waterjet cutting, and orbital welding, working with metals. |
51 |
| 38 | 50 | |
| 39 |
NOVEOnoveo-technology.com
Specialized engineering company providing dedicated industrial services, focusing on excellence and talent to meet client needs effectively. |
49 |
| 40 |
PA.COTTEpa.cotte.fr
Develops computer software solutions, based in Ste Luce Sur Loire, France. Provides software products and services to various clients. |
49 |
| 41 |
HEUFT Franceheuft.com
HEUFT France markets, installs, and maintains innovative quality control devices for production lines in beverage, food, and pharmaceutical industries internationally Serving clients across multiple regions |
49 |
| 42 |
ASP Robot Coverasp-protection.com
Specializing in custom covers for industrial robots since 1988, we design and manufacture tailor-made, durable covers for various industries worldwide |
48 |
| 43 |
SART von Rohr SAS 🇫🇷sart-von-rohr.fr
A French manufacturer of control valves for industrial applications, with products for water, oil, gas, and steam Located in Alsace, Europe, with certified quality systems |
46 |
| 44 |
REALMECArealmeca.com
Designer and manufacturer of machine tools, specializing in numerical control turning centers and high-speed machining centers with global installations exceeding 5,000 machines |
43 |
| 45 |
Cetim Grand Estcetimgrandest.fr
A technology resource center offers expertise in materials, testing, and training to help industries develop sustainable products and advance in the Industry of the Future |
41 |
| 46 | 41 | |
| 47 |
Actemium Handling Systemsactemium.fr
International company within a group, specializing in solving flow issues in manufacturing processes, assembly, and logistics, while optimizing production tools for clients |
40 |
| 48 |
JML Industriejml-industrie.com
Global supplier of industrial equipment to foundries, specializing in sand preparation, vibrating equipment, and environmental solutions Offers custom solutions to optimize capacity and productivity |
39 |
| 49 |
SFE Processsfe-process.com
A French company specializing in designing high pressure fluid machines, offering innovative, modular equipment, tailored laboratory systems, maintenance services, and training |
39 |
| 50 |
Cycleurope Industries SAScycleurope.fr
Designs, manufactures, and distributes bicycles, with a focus on electric bikes Highly skilled teams innovate and produce up to 1,000 bicycles daily |
38 |
| 51 |
N.Sclumberger sous-traitancensc-soustraitance.fr
Provider of machining, heat treatment, sheet metalwork, and painting services Also offers assembly of subassemblies or sub-machines |
38 |
| 52 | 37 | |
| 53 |
HUSQVARNA France - Division Forêt et Jardinhusqvarna.com
Global leader in outdoor power products with over 300 years of experience in forestry, parks, and gardens Offers cutting tools, robotic mowers, battery products, and safety gear |
36 |
| 54 |
BIEBER INDUSTRIEbieber.alsace
Family-owned industrial metalwork company providing design, cutting, bending, welding, painting, assembly, and shipment services across multiple sectors. |
36 |
| 55 |
TURGIS GAILLARD INDUSTRIE Grand Est
Specializing in industrial maintenance, piping, metalworking, heating, plumbing, and ventilation, providing expertise to protect and ensure continuity of various industries worldwide |
36 |
| 56 |
ALORIS Ingénieriealoris.eu
Providing bespoke advice and full-service solutions in engineering design and project management for global clients, ensuring compliance and efficiency |
33 |
| 57 |
Actemium Strasbourg Process & Energieactemium.fr
Specializing in designing and building innovative and efficient installations in air treatment, steam, cold, utilities, and industrial processes for over 25 years |
31 |
| 58 |
AMDL (Atelier mécanique de la Lauch)amdl-eu.com
Specialist in manufacturing and supplying die-sets, guiding parts, springs, punches, and dies for die-making industries and applications. |
31 |
| 59 |
ZwickRoell Francezwickroell.com
Global leader in providing material testing systems used worldwide in R&D and Quality Control across 20+ industries for over 160 years |
30 |
| 60 |
Process Energyprocess-energy.fr
Process Energy specializes in HVAC engineering, offering solutions for heating, cooling, ventilation, energy efficiency, monitoring systems, electrical expertise, commissioning, regulation, and maintenance services |
30 |
| 61 |
INDUSTECHNIC Groupindustechnic.com
Specializes in repair and supply of industrial electronic equipment, focusing on mechatronics and CNC machine applications. |
30 |
| 62 |
Viega Franceviega.fr
Provides high-quality installation technology products and services, supporting customers with innovative, reliable solutions and extensive product range worldwide. |
30 |
| 63 |
MONOMATICmonomatic.fr
Design and manufacture of non-stop unwinders and rewinders with patented solutions, focusing on quality, reliability, and international development. |
29 |
| 64 |
Gillet Toolsgillet-group.com
Manufacturer of standard and specific handtools since 1977, offering solutions for automotive, aeronautic, agriculture, and railway industries to clients like Peugeot and Airbus. |
28 |
| 65 |
Sherpa Mobile Robotics (SMR)sherpa-mr.com
Development of mobile, collaborative robots designed to automate transfers, streamline workflows, reduce pain, and increase productivity safely and efficiently. |
27 |
| 66 |
AMBOS Frères et Filsambos.fr
Specializing in manufacturing mechanical assemblies and welded equipment up to 10 tons based on clients' specifications and complex component designs |
26 |
| 67 |
ADG - Les ateliers des gravesadg-sa.com
Specializing in engineering and manufacturing, providing comprehensive solutions and services for various industrial projects, from design to production. |
25 |
| 68 |
Walter Materials handling / ATS Groupats-group.com
Specialized in design, manufacturing, and installation of material handling systems with a history of over 150 years and a global presence |
25 |
| 69 |
norelem Francenorelem.fr
The company is a global leader in providing standard components for mechanical construction and engineering, with a wide range of products and CAD data available |
24 |
| 70 |
Si-nergie Ingenieriesi-nergie-ingenierie.fr
A leading player in the industrial sector, specializing in energy efficiency and automation solutions to optimize processes and utilities for industrial companies |
23 |
| 71 |
CIL : Constructeur Industriel Lambertcil-industries.fr
Specialized in sheet metalwork and welding, providing high-quality and large-scale parts to demanding clients in various sectors including automotive, agriculture, and aerospace |
23 |
| 72 |
Groupe Mecanique 2Lgroupe-mecanique-2l.com
Specializing in machining parts for aeronautics, automotive, energy, and civil engineering with over 37 years of experience, part of the international Safe Group |
22 |
| 73 |
Alfacemalfacem.com
A small company specializing in mechanical design for parts or products, and manufacturing single pieces or small series production runs |
21 |
| 74 |
TDV Profiletdv-profile.fr
Processes and welds various metals into custom profiles, wires, and stainless steel products for diverse industries including oil, gas, food, and energy. |
21 |
| 75 |
EC SERVICESec-services.fr
High-precision mechanical machining for industries like aerospace and pharmaceuticals Specializing in small to medium series parts, large shaft turning, sub-assemblies, industrial supplies |
21 |
| 76 |
HOPTEAM Francehopteam.fr
HOPTEAM France's group of specialized companies distribute, install, and maintain CHR equipment nationwide with innovative turnkey solutions and a focus on customer service |
21 |
| 77 |
AMS - Tôlerie Finefideve-groupe.com
AMS offers a complete and flexible solution for transforming raw metal sheets into finished products, including co-development, cutting, bending, welding, coating, and assembly |
20 |
| 78 |
CONRAD SASconrad-industrie.com
Specialized subcontracting of precision mechanical parts and large welded assemblies for railway, nuclear, and steel industries using multi-axis machining and laser cutting. |
19 |
| 79 | 19 | |
| 80 |
CTS (Climatique & Thermique Service)cts-climatique.fr
Provides solutions for cold, hot, humidity, thermal shock testing. Also offers preventive and corrective maintenance for all brands and climatic chamber rentals. |
18 |
| 81 | 17 | |
| 82 |
P2I _ Groupe POREL Ingénieriep-2i.fr
A precision machining company with over 40 years experience, offering solutions for various industries and specializing in machining, prototyping, and tooling Renews machine park regularly |
17 |
| 83 |
OGER GROUPE acteur majeur dans la mécanique industrielle, avec plus de 50 machines-outils et 100 p.oger-groupe.com
Provides CNC machining, welding, sheet metal work, bending, assembly, and designs paletization systems for industrial equipment manufacturers. |
17 |
| 84 |
LARISYS INDUSTRIESlarisys.com
Research company in Grandest, France focusing on innovative solutions Located in Neuve Eglise, specializing in cutting-edge technologies and advancements |
16 |
| 85 |
Optibelt Franceweb.optibelt.com
Optibelt France is a subsidiary of Optibelt Group, a European leader in producing transmission belt products with a direct technical approach to manufacturers and end users |
16 |
| 86 |
Ingenierie et Ateliers DUFOURia-dufour.fr
The company specializes in mechanical engineering, metal fabrication, machine tools trading, industrial transfer, and maintenance services with extensive production capabilities and equipment |
15 |
| 87 |
Technisouduretechnisoudure-08.fr
Metalworking company in the Ardennes specializing in steel/stainless steel/aluminum fabrication Retail steel sales open to professionals and individuals |
15 |
| 88 |
Synapse Conceptsynapse-concept.com
Engineering company specializing in technical studies, thermal and fluid simulations, optimization through calculations, virtual reality, and augmented reality solutions |
14 |
| 89 |
EST USINAGEest-usinage.fr
Your partner for designing, implementing, and executing industrial projects with expertise and efficiency |
14 |
| 90 |
FAUST SASfaust-sas.com
Specializes in fine sheet metal, laser cutting, and punching with over 30 years of expertise, focusing on innovation and responsiveness. |
14 |
| 91 |
DRUMEL Industrie
A precision machining company specializing in CNC machining for various industries, with a diverse and high-quality offering through collaboration with F3TEC foundries |
14 |
| 92 |
3D Métal Industrie3dmetalindustrie.com
The company supports clients with foundry partners in the Ardennes for producing prototype, complex, or small series parts using 3D printing |
13 |
| 93 | 13 | |
| 94 |
MicronMaxmicronmax.com
Global leader in high precision Aluminum alloy parts for hydraulic pump market, offering unique SICAL alloy with special properties and serving existing and new customers |
13 |
| 95 |
INTER INDUSTRIESinter-indus.com
The company provides quality services in industrial equipment design, maintenance, and installation, specializing in industrial doors and safety equipment |
12 |
| 96 |
Jongen UNI-MILL S.A.R.L.jongen.fr
The company is a leading manufacturer of precision cutting tools for metal machining and plastics processing, known for their innovative products |
12 |
| 97 |
Eau & Feueauetfeu.fr
A leading player in the fire safety market for over 50 years, specializing in designing, producing, and delivering fire fighting equipment to various industries globally |
12 |
| 98 |
STR Industriesstrindustries.fr
Supplier of high-quality industrial products Specializes in manufacturing and distributing components for various industries worldwide Committed to excellence and customer satisfaction |
11 |
| 99 |
Actemium Le Mans Energies & Processactemium.fr
Providing safe and sustainable solutions across the industrial lifecycle, from consulting and engineering to implementation, commissioning, and maintenance in electrical, thermal, automation, industrial IT, and mechanical engineering. |
11 |
| 100 |
TECH EAUX ENERGIEStech-eaux-energies.fr
Established in 2009, the company offers solutions for water-related issues such as softeners, osmosis systems, and de-sludging services in the Alsace region |
10 |
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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.
More company lists in Grand Est
- The largest companies in Grand Est 4,506
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- IT services companies in Grand Est 201
- Software Development companies in Grand Est 180
- SaaS companies in Grand Est 179
- Contract manufacturers in Grand Est 171
- IT Services and IT Consulting companies in Grand Est 171
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- Food and Beverage Manufacturing companies in Grand Est 143
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- Consumer goods companies in Grand Est 124
- Higher Education companies in Grand Est 118
- Accounting companies in Grand Est 115
- Accounting firms in Grand Est 114
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The same list elsewhere in France
- Industrial Machinery Manufacturing companies in France 1,353
- Industrial Machinery Manufacturing companies in Auvergne-Rhône-Alpes 311
- Industrial Machinery Manufacturing companies in Île-de-France 188
- Industrial Machinery Manufacturing companies in Pays de la Loire 118
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- Industrial Machinery Manufacturing companies in Nouvelle-Aquitaine 86
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- Industrial Machinery Manufacturing companies in Paris 27