| # | Company | Employees |
|---|---|---|
| 1 |
Thales Alenia Spacethalesaleniaspace.com
Designing satellite-based systems for telecommunications, navigation, Earth observation, defense, and space exploration, ensuring connections, monitoring our planet, and discovering the Universe. |
8,168 |
| 2 |
EuroAirport Basel-Mulhouse-Freiburgeuroairport.com
Airport serving over 8.5 million passengers with 27 airlines connecting 100+ destinations across three economically strong European regions. |
296 |
| 3 |
Latitudelatitude.eu
Developing innovative, sustainable rocket launchers focused on space exploration, fostering inclusivity, collaboration, and human-centered space experiences. |
232 |
| 4 |
Safran Aéro Compositesafran-group.com
Specializes in manufacturing composite blades and casings for aircraft engines, supplying essential components for jet engine assembly. |
219 |
| 5 |
Astronics PGAfrancejobs.astronics.com
International provider of seat actuation systems, lighting, and in-flight entertainment. Expertise in electronics, computing, and mechanics for aircraft cabins. |
183 |
| 6 |
Amphenol Air LB Franceamphenol-airlb.fr
Design and manufacture high-performance interconnect solutions and accessories for aerospace, defense, rail, industry, energy, and medical sectors. |
154 |
| 7 |
UCELIAucelia.com
Specializes in complex aero-engine parts and aluminium alloy aero-structures for civil/military aerospace and defence industries, including Ariane rocket and Airbus. |
61 |
| 8 |
Mécanique Générale Langroisemgl.fr
Specializing in providing quality products or services, certified in EN 9100:2010 and ISO 9001:2015 standards for aerospace and general industries |
57 |
| 9 |
AML MICROTECHNIQUE LORRAINEaml-microtechnique.com
French subcontractor specializing in precision machining, design, manufacturing, and integration of passive high-frequency components for aerospace and defense sectors. |
41 |
| 10 |
ASI AVIATIONasi-group.fr
Develops, produces, and markets aircraft. Also handles cabin fitting, mission system integration, spare parts production, and aircraft maintenance. |
40 |
| 11 |
GROUPE AGSgroupe-ags.com
Specializing in industrial subcontracting, the company offers laser cutting, precision machining, sheet metal work, welding, and metal additive manufacturing services across multiple sectors |
38 |
| 12 |
NEXAMnexam.aero
Company manufactures and supplies high-quality cutting tools, adapting to client needs and materials, maintaining customer satisfaction and pioneering quality procedures since 1946. |
37 |
| 13 |
SYSTELEMsystelem.com
Based in Marignier, France, a company specializing in mechanical and industrial engineering services. |
33 |
| 14 |
CHESNEAU SERRETchesneau-serret.com
Specializing in precision polishing, adjustment, and 3D measuring to ensure surface quality and geometrical compliance for customers through comprehensive technical services |
30 |
| 15 |
ASMAN TECHNOLOGYasman-technology.com
Innovative French SME specializing in remote control of sensors, offering light surveillance systems, mission aircraft, tactical drones, and aerial missions |
25 |
| 16 |
Forgeavia - Groupe Mecapoleforgeavia.fr
Specializing in precision stamping and machining of metal parts, with expertise in safety-critical components for various industries, supported by a network of innovative companies |
24 |
| 17 |
Chaudronnerie Industrielle du Midi - LGF Groupelgfgroupe.com
Designs, manufactures, and sells complex parts or sub-assemblies for the aeronautical industry. Focuses on machining, metalwork, sheet metal, and assembly. |
23 |
| 18 |
REIMS AEROSPACE
The company specializes in manufacturing complex aerostructures and providing MRO services with over 80 years of experience in aircraft manufacturing They serve various industries as a tier 1 supplier |
20 |
| 19 |
Dronaviadronavia.com
European leader in drone safety accessories, offering innovative products to professional drone operators that meet EASA standards for risk management and airspace safety. |
19 |
| 20 |
Nimesis Technologynimesis.com
Expertise in shape memory alloys, development and production of smart actuators for aerospace, biomedical, automotive, and various industrial applications. |
12 |
| 21 |
Structural Fasteners Factory - SFFsffactory.eu
Manufactures structural fasteners for aerospace, space, defense, naval, and other high-demand sectors, hot forging various metals to specification. |
12 |
| 22 |
Viraj Aeroviraj-aero.com
Developing patented steam injection for aircraft engines, reducing fuel consumption and climate impact. Compatible with kerosene, SAF, and hydrogen, for cleaner aviation. |
10 |
| 23 |
Lorraine Aéroportlorraineaeroport.com
Offering year-round domestic, European, and international destinations with quick boarding and quality service at a nearby and easily accessible airport |
10 |
| 24 |
REIMS AVIATION INDUSTRIEww38.reims-aviation.eu
Aircraft manufacturer specializing in building light twin turbo prop planes like the F406, also providing installation of mission systems on other platforms |
10 |
| 25 |
CELECTRONcelectron.fr
Designs, studies, and produces electronic tools specifically for various professions within the aeronautics sector. Focus on specialized tooling. |
10 |
| 26 |
SAREM - Chaudronneriechaudronnerie-sarem-64.fr
The company specializes in manufacturing and supplying tooling for the aerospace, maritime, and naval industries. They provide essential equipment for these sectors. |
7 |
| 27 |
PLANCY MECAplancymeca.com
High-precision mechanical machining specializing in aerospace and defense materials, known for quality, reactivity, and handling diverse metals and plastics. |
5 |
Turn this list into pipeline
Tamtam finds the decision-makers at every company on a list like this one, with verified emails, phone numbers and the buying signals that tell you when to reach out.
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 Oct 24, 2026.
More company lists in Grand Est
- The largest companies in Grand Est 4,506
- Retail chains in Grand Est 481
- Public sector organisations in Grand Est 361
- Family-owned companies in Grand Est 313
- Manufacturers in Grand Est 310
- Critical infrastructure operators in Grand Est 225
- Distributors and wholesalers in Grand Est 213
- 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
- Healthcare providers in Grand Est 169
- Construction companies in Grand Est 150
- Hardware manufacturers in Grand Est 146
- Food and Beverage Manufacturing companies in Grand Est 143
- Government Administration companies in Grand Est 143
- Retail companies in Grand Est 141
- Industrial Machinery Manufacturing companies in Grand Est 133
- Financial services firms in Grand Est 131
- 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
The same list elsewhere in France
- Aviation and Aerospace Component Manufacturing companies in France 568
- Aviation and Aerospace Component Manufacturing companies in Occitanie 141
- Aviation and Aerospace Component Manufacturing companies in Île-de-France 132
- Aviation and Aerospace Component Manufacturing companies in Nouvelle-Aquitaine 71
- Aviation and Aerospace Component Manufacturing companies in Auvergne-Rhône-Alpes 53
- Aviation and Aerospace Component Manufacturing companies in Provence-Alpes-Côte d'Azur 39
- Aviation and Aerospace Component Manufacturing companies in Toulouse 52